# PhysicsAndMathsTutor.com. Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Size: px
Start display at page:

## Transcription

2 SECTION A Answer ALL the questions in this section. You should aim to spend no more than 20 minutes on this section. For each question, select one answer from A to D and put a cross in the box. If you change your mind, put a line through the box and then mark your new answer with a cross. 1 Cold water fish require a minimum of 8 parts per million by mass (ppm) of oxygen dissolved in water. The minimum mass of oxygen required in 1 kg of water is A B C D g g g g 2 Calculate the total number of atoms in 8.5 g of CH 2 Cl 2. DATA: Molar mass of CH 2 Cl 2 = 85 g mol 1. Avogadro constant = mol 1 A B C D (Total for Question 1 = 1 mark) (Total for Question 2 = 1 mark) 3 50 cm 3 of hydrogen is mixed with 25 cm 3 of chlorine. The gases react as shown in the equation below. H 2 (g) + Cl 2 (g) 2HCl(g) What is the total volume of gas present at the end of the reaction? [All gas volumes are measured at the same temperature and pressure.] A 75 cm 3 B 100 cm 3 C 125 cm 3 D 150 cm 3 (Total for Question 3 = 1 mark) 2 *P46662A0220*

3 4 Sodium hydrogencarbonate decomposes on heating. 2NaHCO 3 (s) Na 2 CO 3 (s) + CO 2 (g) + H 2 O(l) What is the maximum volume of carbon dioxide, in dm 3, which could be obtained by heating 0.25 mol sodium hydrogencarbonate? The gas volume is measured at room temperature and pressure when the molar volume of a gas = 24 dm 3 mol 1. A 3 B 6 C 12 D 24 (Total for Question 4 = 1 mark) 5 An experiment was carried out to measure the enthalpy change of the following reaction. NaOH(aq) + HCl(aq) NaCl(aq) + H 2 O(l) 50 cm 3 of hydrochloric acid was mixed with 50 cm 3 of sodium hydroxide solution. Each solution contained 0.10 mol solute. The temperature rise was 12 C. Energy transferred (J) = mass of solution 4.2 change in temperature Assume the density of all solutions is 1.0 g cm 3. What is the enthalpy change of the reaction in kj mol 1? A B C D (Total for Question 5 = 1 mark) *P46662A0320* 3 Turn over

4 6 In the synthesis of ammonia, 56.0 g nitrogen was reacted with excess hydrogen. The mass of ammonia produced was 6.00 g. What is the percentage yield of ammonia? A 5.66 B 8.82 C 9.10 D 10.7 N 2 (g) + 3H 2 (g) 2NH 3 (g) 7 Which of the following has the smallest ionic radius? A O 2 B F C Na + D Mg 2+ 8 Magnesium chloride crystals were prepared using the following reaction. (a) The ionic equation for this reaction is A B C D 2Cl (aq) + Mg 2+ (s) MgCl 2 (aq) 2Cl (aq) + MgO(s) MgCl 2 (aq) + O 2 (l) 2HCl(aq) + MgO(s) MgCl 2 (aq) + H 2 O(l) 2H + (aq) + 2Cl (aq) + MgO(s) Mg 2+ (Cl ) 2 (aq) + H 2 O(l) 2H + (aq) + MgO(s) Mg 2+ (aq) + H 2 O(l) (Total for Question 6 = 1 mark) (Total for Question 7 = 1 mark) (b) The amount of hydrochloric acid used was 0.10 mol. Which of the following solutions of hydrochloric acid contains this amount of HCl? A 100 cm 3 of 0.10 mol dm 3 B 40 cm 3 of 0.25 mol dm 3 C 25 cm 3 of 0.40 mol dm 3 D 20 cm 3 of 5.00 mol dm 3 4 *P46662A0420*

5 (c) An excess of magnesium oxide was reacted with the 0.10 mol of hydrochloric acid. Which of the following is the smallest mass which would provide an excess of magnesium oxide? Molar mass of MgO = 40.3 g mol 1 A B C D 1.50 g 2.50 g 3.00 g 5.00 g (d) What is the first step in obtaining pure hydrated crystals of magnesium chloride from the resulting reaction mixture? A B C D Heating the mixture to concentrate it. Allowing the mixture to evaporate slowly. Filtering the mixture. Distilling the mixture. (e) Use the data below to calculate the number of moles of water of crystallization in each mole of hydrated magnesium chloride. A 2 B 4 C 6 D 8 Substance Molar mass / g mol 1 Magnesium chloride 95.1 Hydrated magnesium chloride (Total for Question 8 = 5 marks) *P46662A0520* 5 Turn over

6 9 What is the equation for the lattice energy of magnesium chloride? A Mg(s) + Cl 2 (g) MgCl 2 (s) B C D Mg 2+ (s) + 2Cl (g) MgCl 2 (s) Mg 2+ (g) + 2Cl (g) MgCl 2 (s) Mg 2+ (g) + 2Cl (g) MgCl 2 (g) (Total for Question 9 = 1 mark) 10 A compound has the composition by mass of 54.5% C, 9.1% H and 36.4% O. What is its empirical formula? A B C C 2 H 2 O C 2 H 4 O C 4 H 9 O D C 6 HO 4 11 What is the IUPAC name of the following hydrocarbon? A B C D 2,2-dipropylbutane 4-methyl-4-propylhexane 2-ethyl-2-propylpentane 4-ethyl-4-methylheptane CH 2 CH 2 CH 3 H 3 C C CH 2 CH 3 CH 2 CH 2 CH 3 12 Which of the following shows geometric isomerism? A B C D propene but-1-ene but-2-ene 2,3-dimethylbut-2-ene (Total for Question 10 = 1 mark) (Total for Question 11 = 1 mark) (Total for Question 12 = 1 mark) 6 *P46662A0620*

7 13 Which of the following is a reforming reaction? A + H 2 B + + H 2 C + D 14 In the reaction of methane with chlorine, ultraviolet light causes A homolytic fission of the Cl Cl bond in chlorine molecules. B heterolytic fission of the Cl Cl bond in chlorine molecules. C homolytic fission of the C H bond in methane molecules. D heterolytic fission of the C H bond in methane molecules. (Total for Question 13 = 1 mark) (Total for Question 14 = 1 mark) 15 In the mechanism of the reaction of methane with chlorine to form chloromethane, which of the following is a propagation step? A B C D CH 3 + Cl CH 3 Cl CH 3 + Cl 2 CH 3 Cl + Cl CH 4 + Cl CH 3 Cl + H CH 3 + Cl 2 CH 2 Cl + HCl 16 The empirical formula of poly(ethene) is A CH B CH 2 C C 2 H 4 (Total for Question 15 = 1 mark) D C n H 2n (Total for Question 16 = 1 mark) TOTAL FOR SECTION A = 20 MARKS *P46662A0720* 7 Turn over

8 SECTION B Answer ALL the questions. Write your answers in the spaces provided. 17 A mass spectrometer can be used to measure relative isotopic masses. (a) State the meaning of the term isotopes. (b) (i) In a mass spectrometer, a sample of the vapour of an element is ionized. State how this ionization is carried out. (ii) Complete the equation showing the simplest ionization of a vaporised element M. M(g) (iii) How are the ions accelerated in the mass spectrometer? (iv) Ions with the same charge and travelling with the same velocity are then passed through a magnetic field. path of ions magnetic field detector The path of one ion is shown. Add a line to the diagram to show the path of a lighter ion as it passes through the magnetic field and travels to the detector. 8 *P46662A0820*

9 (c) A sample of silicon is analysed in a mass spectrometer. Relative isotopic mass Relative abundance Calculate the relative atomic mass of silicon, showing your working. Give your answer to four significant figures. (d) A high resolution mass spectrometer measures masses to four decimal places. The relative molecular mass of a compound is found to be Assumption The relative atomic mass of an oxygen atom, 16 O, is The relative atomic mass of a hydrogen atom, 1 H, is Use these data to deduce whether the compound is C 6 H 12 or C 5 H 8 O. Show your working, and state the assumption you make. (3) *P46662A0920* 9 Turn over

10 (e) A helium mass spectrometer is an instrument used to detect leaks in containers. A sealed container filled with helium is placed in a vacuum chamber. Any helium leaking out of the container is detected by the mass spectrometer. Suggest one reason that makes helium suitable for this purpose, other than its lack of reactivity. (Total for Question 17 = 11 marks) 10 *P46662A01020*

11 18 This question is about the elements aluminium and magnesium. (a) Complete the electronic configuration for an atom of aluminium. 1s 2... (b) Complete the table to show the composition of an aluminium ion, Al 3+. Subatomic particle Number of particles in Al 3+ proton neutron electron (c) The table below shows the first four ionization energies of aluminium. (i) Complete the table by identifying the orbital from which each electron is removed. First ionization energy Second ionization energy Third ionization energy Fourth ionization energy Ionization energy / kj mol Orbital (ii) Write the equation, including state symbols, which represents the second ionization energy of aluminium. *P46662A01120* 11 Turn over

12 *(iii) Explain why the second ionization energy of an element is always greater than the first ionization energy. *(iv) Explain why the difference between the third and fourth ionization energies of aluminium is much larger than the difference between the first and second ionization energies. (d) Aluminium is a silvery metal with a melting temperature of 933 K. (i) Draw a labelled diagram of the bonding in aluminium. 12 *P46662A01220*

13 (ii) The atomic number of magnesium is one less than aluminium. Would you expect magnesium to have a higher or lower melting temperature than aluminium? Justify your answer. (iii) Draw the dot and cross diagram for magnesium chloride, MgCl 2. Show the outer electrons only. *(iv) Aluminium chloride has more covalent character than magnesium chloride. Explain what this statement means. By considering the physical properties of these two chlorides, suggest one piece of evidence showing that aluminium chloride has more covalent character than magnesium chloride. (3) (Total for Question 18 = 19 marks) *P46662A01320* 13 Turn over

14 19 Cordless hair-stylers use 2-methylpropane as a fuel. The 2-methylpropane reacts with oxygen on the surface of a heated catalyst. C 4 H 10 (g) + 6½O 2 (g) 4CO 2 (g) + 5H 2 O(l) (a) Draw the skeletal formula of 2-methylpropane. (b) When the hair-styler is switched on, the catalyst is heated using a battery. Suggest why the battery is not needed after the catalyst has been heated initially. (c) The standard enthalpy changes of formation for the three compounds are: Compound Standard enthalpy of formation / kj mol 1 C 4 H 10 (g) CO 2 (g) H 2 O(l) (i) The standard enthalpy change of formation of H 2 O(g) is kj mol 1. Explain why this is less negative than the standard enthalpy change of formation of H 2 O(l). 14 *P46662A01420*

15 (ii) Use the data in the table to calculate the standard enthalpy change of combustion of 2-methylpropane in kj mol 1. Show your method, which may involve the use of a Hess cycle. Include a sign and units in your answer. (iii) A refill canister for the cordless hair-styler holds 15 g of 2-methylpropane. Calculate the energy in kj which can be obtained from one canister. (3) *P46662A01520* 15 Turn over

16 (d) The enthalpy change of the reaction can also be calculated using the cycle below. C 4 H 10 (g) + 6½O 2 (g) 4CO 2 (g) + 5H 2 O(l) kj mol kj mol 1 4C(g) + 10H(g) + 13 O(g) (i) Calculate the enthalpy change of the reaction using this cycle. (ii) The enthalpy change of vaporization of water was one piece of data used to calculate the enthalpy changes shown beside the arrows in the cycle. What other information was needed? (Total for Question 19 = 11 marks) 16 *P46662A01620*

17 20 Propene is an alkene which can be produced by cracking some of the hydrocarbons in crude oil. (a) Draw a dot and cross diagram showing the bonding in propene. Show outer electrons only. (b) (i) Propene is one product of the cracking of decane, C 10 H 22. Write the equation for the reaction in which one mole of decane is cracked to produce one mole of ethene, one mole of propene and one other product. State symbols are not required. (ii) A synthetic rubber can be made by polymerizing a mixture of ethene and propene. Draw the structural formula of the repeat unit of this polymer which forms from one molecule of each alkene. (c) Propene is also used to make propane-1,2-diol. Give the reagents and colour change when this product is made at room temperature. Reagents... Colour change from... to... (3) *P46662A01720* 17 Turn over

18 (d) The reaction of propene with bromine water is used as a test for the carbon-carbon double bond. State the colour change in this test. Draw the displayed formula of the organic product and give its name. Colour change from... to... Displayed formula of product Name... (e) Write the mechanism for the reaction of propene with hydrogen bromide to give the major product. Include relevant dipoles. (3) (4) 18 *P46662A01820*

19 *(f) Molecules of the element bromine, Br 2, are not polar. Explain how bromine acts as an electrophile when it reacts with propene. (g) In the United States of America, large deposits of shale gas have been discovered. This gas is trapped in rocks and can be extracted by fracking which involves breaking up the rock with water under pressure. Shale gas typically contains about 90% methane, mixed with about 3% ethane, 0.6% propane, 0.2% butane and 0.2% pentane. The rest is hydrogen, nitrogen and carbon dioxide. Suggest how the use of shale gas may affect the relative amounts of poly(ethene) and poly(propene) which are produced in the USA and justify your answer. (Total for Question 20 = 19 marks) TOTAL FOR SECTION B = 60 MARKS TOTAL FOR PAPER = 80 MARKS *P46662A01920* 19

20 20 *P46662A02020*

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel GCE Centre Number Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Candidate Number Friday 27 May 2016 Morning Time: 1 hour

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel International Advanced Level Centre Number Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Candidate Number Friday 26 May

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel International Advanced Level Centre Number Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Candidate Number Thursday 9 January

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Edexcel GCE Centre Number Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Candidate Number Tuesday 15 May 2012 Afternoon Time: 1 hour 30

### Tuesday 9 October 2018

Please check the examination details below before entering your candidate information Candidate surname Other names Pearson Edexcel International Advanced Level Centre Number Tuesday 9 October 2018 Morning

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel GCE Centre Number Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Candidate Number Friday 23 May 2014 Morning Time: 1 hour

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel International Advanced Level Centre Number Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Candidate Number Thursday 14 January

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Edexcel GCE Centre Number Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Candidate Number Thursday 23 May 2013 Morning Time: 1 hour 30 minutes

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Edexcel GCE Centre Number Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Candidate Number Thursday 13 January 2011 Morning Time: 1 hour

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel GE entre Number hemistry Advanced Subsidiary Unit 1: The ore Principles of hemistry andidate Number Friday 23 May 2014 Morning Time: 1 hour 30 minutes

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry. Wednesday 11 January 2017 Morning Time: 1 hour 30 minutes

Write your name here Surname Other names Pearson Edexcel International Advanced Level Centre Number Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Candidate Number Wednesday 11

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel GE entre Number hemistry Advanced Subsidiary Unit 1: The ore Principles of hemistry andidate Number Friday 22 May 2015 Morning Time: 1 hour 30 minutes

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Edexcel GCE Centre Number Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Candidate Number Thursday 23 May 2013 Morning Time: 1 hour 30 minutes

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel International dvanced Level entre Number hemistry dvanced Subsidiary Unit 1: The ore Principles of hemistry andidate Number Friday 22 May 2015 Morning

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel GCE Centre Number Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Candidate Number Friday 26 May 2017 Morning Time: 1 hour

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Edexcel GCE Centre Number Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Candidate Number Monday 23 May 2011 Afternoon Time: 1 hour 30 minutes

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Edexcel GE entre Number hemistry Advanced Subsidiary Unit 1: The ore Principles of hemistry andidate Number Thursday 10 January 2013 Morning Time: 1 hour 30 minutes

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel International dvanced Level entre Number hemistry dvanced Subsidiary Unit 1: The ore Principles of hemistry andidate Number Friday 23 May 2014 Morning

### International Advanced Level Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel International Advanced Level Centre Number Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Candidate Number Tuesday 22 May

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Edexcel GCE Centre Number Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry Candidate Number Friday 13 January 2012 Afternoon Time: 1 hour

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel International Advanced Level entre Number hemistry Advanced Subsidiary Unit 1: The ore Principles of hemistry andidate Number Wednesday 7 January

### Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel GE entre Number hemistry Advanced Subsidiary Unit 1: The ore Principles of hemistry andidate Number Friday 26 May 2017 Morning Time: 1 hour 30 minutes

### PhysicsAndMathsTutor.com. Advanced Subsidiary Paper 2: Core Organic and Physical Chemistry

Write your name here Surname Other names Pearson Edexcel GE entre Number andidate Number hemistry Advanced Subsidiary Paper 2: ore Organic and Physical hemistry Friday 10 June 2016 Afternoon Time: 1 hour

### International Advanced Level Chemistry Advanced Subsidiary Unit 2: Application of Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel International Advanced Level Centre Number Candidate Number Chemistry Advanced Subsidiary Unit 2: Application of Core Principles of Chemistry Friday

### Pearson Edexcel Level 3 GCE Chemistry Advanced Paper 2: Advanced Organic and Physical Chemistry

Write your name here Surname Other names Pearson Edexcel Level 3 GCE Centre Number Candidate Number Chemistry Advanced Paper 2: Advanced Organic and Physical Chemistry Specimen Paper for first teaching

### B410U20-1 S17-B410U20-1. CHEMISTRY AS component 2 Energy, Rate and Chemistry of Carbon Compounds

Surname Centre Number Candidate Number Other Names 2 GCE AS NEW B410U20-1 S17-B410U20-1 CHEMISTRY AS component 2 Energy, Rate and Chemistry of Carbon Compounds FRIDAY, 9 JUNE 2017 AFTERNOON 1 hour 30 minutes

### Unit 4: General Principles of Chemistry I Rates, Equilibria and Further Organic Chemistry (including synoptic assessment)

Write your name here Surname Other names Pearson Edexcel GCE Centre Number Candidate Number Chemistry Advanced Unit 4: General Principles of Chemistry I Rates, Equilibria and Further Organic Chemistry

### International Advanced Level Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry

Write your name here Surname Other names Pearson Edexcel International dvanced Level entre Number hemistry dvanced Subsidiary Unit 1: The ore Principles of hemistry andidate Number Thursday 13 October

### CHEM1. General Certificate of Education Advanced Subsidiary Examination June Unit 1 Foundation Chemistry. Friday 21 May pm to 2.

Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials General Certificate of Education Advanced Subsidiary Examination June 2010 Question 1 2 Mark

### Advanced Subsidiary Unit 3: Chemistry Laboratory Skills I. Wednesday 14 January 2015 Morning Time: 1 hour 15 minutes

Write your name here Surname Other names Pearson Edexcel International Advanced Level Centre Number Chemistry Advanced Subsidiary Unit 3: Chemistry Laboratory Skills I Candidate Number Wednesday 14 January

### Advanced Subsidiary Unit 3: Chemistry Laboratory Skills I

Write your name here Surname Other names Pearson Edexcel International Advanced Level Centre Number Chemistry Advanced Subsidiary Unit 3: Chemistry Laboratory Skills I Candidate Number Thursday 21 January

### CHEM1. (JAN13CHEM101) WMP/Jan13/CHEM1. General Certificate of Education Advanced Subsidiary Examination January Unit 1 Foundation Chemistry

Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials General Certificate of Education Advanced Subsidiary Examination January 2013 Question 1 2

### Chemistry *P41555A0120* P41555A. Unit: KCH0/4CH0 Paper: 2C. Edexcel Certificate Edexcel International GCSE. Monday 10 June 2013 Afternoon Time: 1 hour

Write your name here Surname Other names Edexcel Certificate Edexcel International GCSE Chemistry Unit: KCH0/4CH0 Paper: 2C Centre Number Candidate Number Monday 10 June 2013 Afternoon Time: 1 hour You

### Paper Reference. Friday 16 January 2009 Morning Time: 1 hour

Centre No. Candidate No. Paper Reference(s) 6241/01 Edexcel GCE Chemistry Advanced Subsidiary Unit Test 1 Friday 16 January 2009 Morning Time: 1 hour Materials required for examination Nil Candidates may

### Advanced Subsidiary Unit 3: Chemistry Laboratory Skills I

Write your name here Surname Other names Pearson Edexcel International Advanced Level Centre Number Chemistry Advanced Subsidiary Unit 3: Chemistry Laboratory Skills I Candidate Number Tuesday 7 January

### Advanced Subsidiary Unit 3B: Chemistry Laboratory Skills I Alternative

Write your name here Surname Other names Edexcel GCE Centre Number Candidate Number Chemistry Advanced Subsidiary Unit 3B: Chemistry Laboratory Skills I Alternative Wednesday 9 May 2012 Afternoon Time:

### Unit 4: General Principles of Chemistry I Rates, Equilibria and Further Organic Chemistry (including synoptic assessment)

Write your name here Surname Other names Edexcel GCE Centre Number Candidate Number Chemistry Advanced Unit 4: General Principles of Chemistry I Rates, Equilibria and Further Organic Chemistry (including

### GCE AS/A level 1092/01 CHEMISTRY CH2

Surname Centre Number Candidate Number Other Names 2 GCE AS/A level 1092/01 CHEMISTRY CH2 S15-1092-01 P.M. TUESDAY, 2 June 2015 1 hour 30 minutes For s use Question Maximum Mark Mark Awarded Section A

### London Examinations IGCSE

Centre No. Candidate No. Paper Reference(s) 4437/5H London Examinations IGCSE Science (Double Award) Chemistry Paper 5H Higher Tier Tuesday 16 November 2010 Afternoon Time: 1 hour 30 minutes Materials

### CHEM1. General Certificate of Education Advanced Subsidiary Examination January Unit 1 Foundation Chemistry

Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials General Certificate of Education Advanced Subsidiary Examination January 2010 Question 1 2

### CHEMISTRY Unit 2 Energy, Rate and Chemistry of Carbon Compounds

Surname Centre Number Candidate Number Other Names 2 GCE AS/A Level 2410U20-1 NEW AS S16-2410U20-1 CHEMISTRY Unit 2 Energy, Rate and Chemistry of Carbon Compounds P.M. FRIDAY, 10 June 2016 1 hour 30 minutes

### Advanced Subsidiary Paper 2: Core Organic and Physical Chemistry

Write your name here Surname Other names Pearson Edexcel GCE Centre Number Candidate Number Chemistry Advanced Subsidiary Paper 2: Core Organic and Physical Chemistry Friday 9 June 2017 Afternoon Time:

### Chemistry *P42864A0120* P42864A. Unit: KCH0/4CH0 Paper: 2C. Thursday 16 January 2014 Afternoon Time: 1 hour. Instructions. Information.

Write your name here Surname Other names Pearson Edexcel Certificate Pearson Edexcel International GCSE Chemistry Unit: KCH0/4CH0 Paper: 2C Centre Number Candidate Number Thursday 16 January 2014 Afternoon

### London Examinations IGCSE

Centre No. Candidate No. Surname Signature Initial(s) Paper Reference(s) 4335/2H London Examinations IGCSE Chemistry Paper 2H Higher Tier Wednesday 16 May 2007 Morning Time: 2 hours Materials required

### H 22. (a) Give the general formula of alkanes. (1) (b) Carbon monoxide, CO, is formed during the incomplete combustion of decane.

1 Crude oil is a complex mixture of hydrocarbons. Initial separation is achieved by fractional distillation of the crude oil. The separate fractions are further refined to produce hydrocarbons such as

### CHEM1. General Certificate of Education Advanced Subsidiary Examination January Unit 1 Foundation Chemistry

Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials General Certificate of Education Advanced Subsidiary Examination January 2011 Question 1 2

### Unit: KCH0/4CH0 Science (Double Award) KSC0/4SC0 Paper: 1C

Write your name here Surname Other names Pearson Edexcel Certificate Pearson Edexcel International GCSE Centre Number Chemistry Unit: KCH0/4CH0 Science (Double Award) KSC0/4SC0 Paper: 1C Monday 12 January

### Paper Reference. Sample Assessment Material Time: 2 hours

Centre No. Candidate No. Paper Reference(s) 4CH0/1C Edexcel IGCSE Chemistry Chemistry Paper 1 Sample Assessment Material Time: 2 hours Materials required for examination Nil Items included with question

### Chemistry *P42992A0128* Pearson Edexcel P42992A

Write your name here Surname Other names Pearson Edexcel International Advanced Level Centre Number Candidate Number Chemistry Advanced Unit 4: General Principles of Chemistry I Rates, Equilibria and Further

### *AC112* *20AC11201* Chemistry. Assessment Unit AS 1 [AC112] FRIDAY 26 MAY, MORNING. assessing Basic Concepts in Physical and Inorganic Chemistry

Centre Number ADVANCED SUBSIDIARY (AS) General Certificate of Education 2017 Candidate Number Chemistry Assessment Unit AS 1 assessing Basic Concepts in Physical and Inorganic Chemistry [AC112] FRIDAY

### London Examinations IGCSE

Centre No. Candidate No. Paper Reference 4 3 3 5 2 H Paper Reference(s) 4335/2H London Examinations IGCSE Chemistry Paper 2H Higher Tier Wednesday 21 May 2008 Afternoon Time: 2 hours Surname Signature

### London Examinations IGCSE

Centre No. Candidate No. Surname Signature Initial(s) Paper Reference(s) 4437/5H London Examinations IGCSE Science (Double Award) Chemistry Paper 5H Higher Tier Monday 8 May 2006 Morning Time: 1 hour 30

### Advanced Unit 6: Chemistry Laboratory Skills II

Write your name here Surname Other names Pearson Edexcel International Advanced Level Centre Number Chemistry Advanced Unit 6: Chemistry Laboratory Skills II Candidate Number Tuesday 17 May 2016 Morning

### SECTION A. 1 In which order do the electrons fill the orbitals of an atom? 1s 2s 2p 3s 3p 4s 4p 3d. 1s 2s 2p 3s 3d 3p 4s 4p. 1s 2s 2p 3s 3p 3d 4s 4p

S hemistry Unit 1 SETION nswer LL the questions in this section. You should aim to spend no more than 20 minutes on this section. For each question, select one answer from to D and put a cross in the box.

### Candidate Name Centre Number Candidate Number. Energy, Rate and Chemistry of Carbon Compounds

AS CHEMISTRY Specimen Assessment Materials 21 Candidate Name Centre Number Candidate Number AS CHEMISTRY COMPONENT 2 Energy, Rate and Chemistry of Carbon Compounds SPECIMEN PAPER 1 hour 30 minutes ADDITIONAL

### Unit 3(a) Introduction to Organic Chemistry

Surname Other Names Leave blank Centre Number Candidate Number Candidate Signature General Certificate of Education January 2002 Advanced Subsidiary Examination CHEMISTRY Unit 3(a) Introduction to Organic

### Complete the table to show the relative charge of each particle and the number of each particle found in a 140 Ce 2+ ion.

1 This question is about the elements with atomic numbers between 58 and 70 (a) Cerium, atomic number 58, is a metal Complete the table to show the relative charge of each particle and the number of each

### Cherry Hill Tuition A Level Chemistry OCR (A) Paper 9 THIS IS A NEW SPECIFICATION

THIS IS A NEW SPECIFICATION ADVANCED SUBSIDIARY GCE CHEMISTRY A Chains, Energy and Resources F322 * OCE / 1 9 2 3 4* Candidates answer on the Question Paper OCR Supplied Materials: Data Sheet for Chemistry

### Chemistry *P45044A0128* Pearson Edexcel P45044A

Write your name here Surname ther names Pearson Edexcel International Advanced Level entre Number andidate Number hemistry Advanced Unit 4: General Principles of hemistry I Rates, Equilibria and Further

### Advanced Subsidiary Unit 2: Application of Core Principles of Chemistry

Write your name here Surname Other names Edexcel GCE Centre Number Candidate Number Chemistry Advanced Subsidiary Unit 2: Application of Core Principles of Chemistry Friday 16 January 2009 Morning Time:

### CHEM111 UNIT 1 MOLES, FORMULAE AND EQUATIONS QUESTIONS

Lesson 1 1. (a) Deduce the number of protons, neutrons and electrons in the following species: (i) 37 Cl - (ii) 1 H + (iii) 45 Sc 3+ (b) Write symbols for the following species: (i) 8 protons, 8 neutrons,

### CHEM111 UNIT 1 MOLES, FORMULAE AND EQUATIONS QUESTIONS

Lesson 1 1. (a) Deduce the number of protons, neutrons and electrons in the following species: (i) 37 Cl - (ii) 1 H + (iii) 45 Sc 3+ (b) Write symbols for the following species: (i) 8 protons, 8 neutrons,

### CHEM1. General Certificate of Education Advanced Subsidiary Examination June Unit 1 Foundation Chemistry. Monday 23 May pm to 2.

Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials General Certificate of Education Advanced Subsidiary Examination June 2011 Question 1 2 Mark

### Chemistry Assessment Unit AS 1

Centre Number 71 Candidate Number ADVANCED SUBSIDIARY (AS) General Certificate of Education January 2008 Chemistry Assessment Unit AS 1 assessing Module 1: General Chemistry ASC11 [ASC11] THURSDAY 17 JANUARY,

### CHEM1. (JUN13CHEM101) WMP/Jun13/CHEM1. General Certificate of Education Advanced Subsidiary Examination June Unit 1 Foundation Chemistry

Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials General Certificate of Education Advanced Subsidiary Examination June 2013 Question 1 2 Mark

### Paper Reference. Advanced Unit Test 6B (Synoptic) Thursday 18 June 2009 Morning Time: 1 hour 30 minutes

Centre No. Paper Reference Surname Initial(s) Candidate No. 6 2 4 6 0 2 Signature Paper Reference(s) 6246/02 Edexcel GCE Chemistry Examiner s use only Team Leader s use only Advanced Unit Test 6B (Synoptic)

### London Examinations IGCSE

Centre No. Candidate No. Paper Reference(s) 4437/5 London Examinations IGCSE Science (Double Award) Chemistry Paper 5 igher Tier Wednesday 17 June 2009 Morning Time: 1 hour 30 minutes Materials required

### Unit 1 Atomic Structure, Bonding and Periodicity

Surname Other Names Leave blank Centre Number Candidate Number Candidate Signature General Certificate of Education June 2002 Advanced Subsidiary Examination CHEMISTRY CHM1 Unit 1 Atomic Structure, Bonding

### CHEM2. General Certificate of Education Advanced Subsidiary Examination January Unit 2 Chemistry in Action

Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials General Certificate of Education Advanced Subsidiary Examination January 2011 Question 1 2

### N10/4/CHEMI/SP2/ENG/TZ0/XX CHEMISTRY STANDARD LEVEL PAPER 2. Thursday 11 November 2010 (afternoon) Candidate session number.

N10/4/CHEMI/SP2/ENG/TZ0/XX 88106105 CHEMISTRY STANDARD LEVEL PAPER 2 Thursday 11 November 2010 (afternoon) 1 hour 15 minutes 0 0 Candidate session number INSTRUCTIONS TO CANDIDATES Write your session number

### Methane contains atoms of two elements, combined chemically. Methane is a mixture of two different elements.

Q1.Methane (CH 4) is used as a fuel. (a) The displayed structure of methane is: Draw a ring around a part of the displayed structure that represents a covalent bond. (b) Why is methane a compound? Tick

### 3.2.1 Energetics. Enthalpy Change. 263 minutes. 259 marks. Page 1 of 41

..1 Energetics Enthalpy Change 6 minutes 59 marks Page 1 of 41 Q1. (a) Define the term standard molar enthalpy of formation, ΔH f. (b) State Hess s law. (c) Propanone, CO, burns in oxygen as shown by the

### *ac112* Chemistry. Assessment Unit AS 1 [AC112] WEDNESDAY 10 JUNE, AFTERNOON. assessing Basic Concepts in Physical and Inorganic Chemistry

Centre Number ADVANCED SUBSIDIARY (AS) General Certificate of Education 2015 Chemistry Candidate Number Assessment Unit AS 1 assessing Basic Concepts in Physical and Inorganic Chemistry [AC112] WEDNESDAY

### AS CHEMISTRY. Paper 2 Organic and Physical Chemistry. Friday 25 May 2018 Morning Time allowed: 1 hour 30 minutes. *jun *

Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature AS CHEMISTRY Paper 2 Organic and Physical Chemistry Friday 25 May 2018 Morning Time allowed:

### International Advanced Level Chemistry Advanced Subsidiary Unit 3: Chemistry Laboratory Skills I

Write your name here Surname Other names Pearson Edexcel International Advanced Level Centre Number Chemistry Advanced Subsidiary Unit 3: Chemistry Laboratory Skills I Candidate Number Wednesday 7 May

### Pearson Edexcel Level 3 GCE Chemistry Advanced Paper 2: Advanced Organic and Physical Chemistry

Write your name here Surname Other names Pearson Edexcel Level 3 GCE Centre Number Candidate Number Chemistry Advanced Paper 2: Advanced Organic and Physical Chemistry Sample Assessment Materials for first

### 2. Relative molecular mass, M r - The relative molecular mass of a molecule is the average mass of the one molecule when compared with

Chapter 3: Chemical Formulae and Equations 1. Relative atomic mass, A r - The relative atomic mass of an element is the average mass of one atom of an element when compared with mass of an atom of carbon-12

### CHEM1. General Certificate of Education Advanced Subsidiary Examination January Unit 1 Foundation Chemistry

Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials General Certificate of Education Advanced Subsidiary Examination January 2012 Question 1 2

### 2 Answer all the questions. How many neutrons are there in an atom of chlorine-37?... [1] How many electrons are needed to fill one orbital?

2 Answer all the questions 1 The answer to each part of this question is a number (a) (i) How many neutrons are there in an atom of chlorine-37? [1] (ii) How many electrons are needed to fill one orbital?

### Unit 1 Atomic Structure, Bonding and Periodicity

Surname Other Names Leave blank Centre Number Candidate Number Candidate Signature General Certificate of Education January 2002 Advanced Subsidiary Examination CHEMISTRY CHM1 Unit 1 Atomic Structure,

### Paper Reference. Advanced Unit Test 6B (Synoptic) Thursday 24 January 2008 Morning Time: 1 hour 30 minutes

Centre No. Candidate No. Paper Reference 6 2 4 6 0 2 Paper Reference(s) 6246/02 Edexcel GCE Chemistry Advanced Unit Test 6B (Synoptic) Thursday 24 January 2008 Morning Time: 1 hour 30 minutes Surname Signature

### Edexcel AS Chemistry. Target sheets. I have revised. At the. Chapter 1.1 Formulae, equations and amount of substance. I have studied..

Edexcel AS Chemistry Target sheets pages Chapter 1.1 Formulae, equations and amount of substance At the 10-11 I understand the terms atom, element, ion, molecule, compound, empirical & molecular formula

Centre Number 71 Candidate Number ADVANCED SUBSIDIARY (AS) General Certificate of Education 2012 Chemistry Assessment Unit AS 1 assessing Basic Concepts in Physical and Inorganic Chemistry [AC112] WEDNESDAY

### 2 Answer all the questions.

2 Answer all the questions. 1 A sample of the element boron, B, was analysed using a mass spectrometer and was found to contain two isotopes, 10 B and 11 B. (a) (i) Explain the term isotopes. Complete

### A Level Chemistry. Ribston Hall High School. Pre Course Holiday Task. Name: School: ii) Maths:

A Level Chemistry Ribston Hall High School Pre Course Holiday Task Name: School: GCSE Grades in i) Chemistry or Science: ii) Maths: 1 The following are a series of questions on topics you have covered

### CHEM1. General Certificate of Education Advanced Subsidiary Examination June Foundation Chemistry. (JUN09CHEM101) APW/Jun09/CHEM1 TOTAL

Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials General Certificate of Education Advanced Subsidiary Examination June 2009 Question 1 2 Mark

### Paper Reference. Wednesday 6 June 2007 Morning Time: 1 hour

Centre No. Candidate No. Paper Reference(s) 6241/01 Edexcel GCE Chemistry Advanced Subsidiary Unit Test 1 Wednesday 6 June 2007 Morning Time: 1 hour Materials required for examination Nil Candidates may

### Quantitative chemistry Atomic structure Periodicity

IB chemistry Units 1-3 review Quantitative chemistry Significant figures The mole- be able to convert to number of particles and mass Finding empirical and molecular formulas from mass percentage States

### Please hand your completed booklet to your Chemistry tutor when you begin A Level Chemistry in September

#THIS I S TH E P L AC E A-LEVEL CHEMSITRY NAME: You should complete this work ready for starting Year 1 A Level Chemistry. If there are any questions that you cannot do, even after using your GCSE notes

### 331/01 CHEMISTRY CH1 A.M. WEDNESDAY, 7 June 2006 (1 hour 30 minutes)

Candidate Name Centre Number Candidate Number WELSH JOINT EDUCATION COMMITTEE General Certificate of Education Advanced Subsidiary/Advanced CYD-BWYLLGOR ADDYSG CYMRU Tystysgrif Addysg Gyffredinol Uwch

### B410U10-1 S16-B410U10-1. CHEMISTRY Component 1 The Language of Chemistry, Structure of Matter and Simple Reactions

Surname Centre Number Candidate Number Other Names 2 GCE AS NEW AS B410U10-1 S16-B410U10-1 CHEMISTRY Component 1 The Language of Chemistry, Structure of Matter and Simple Reactions A.M. FRIDAY, 27 May

### *P51939A0124* Pearson Edexcel WCH04/01. P51939A 2018 Pearson Education Ltd.

Write your name here Surname Other names Pearson Edexcel International Advanced Level Centre Number Candidate Number Chemistry Advanced Unit 4: General Principles of Chemistry I Rates, Equilibria and Further

### IGCSE (9-1) Edexcel - Chemistry

IGCSE (9-1) Edexcel - Chemistry Principles of Chemistry Chemical Formulae, Equations and Calculations NOTES 1.25: Write word equations and balanced chemical equations (including state symbols): For reactions

### CHEM1. (JUN14CHEM101) WMP/Jun14/CHEM1/E10w. General Certificate of Education Advanced Subsidiary Examination June Unit 1 Foundation Chemistry

Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials Chemistry General Certificate of Education Advanced Subsidiary Examination June 2014 CHEM1

### Additional Science. Chemistry CH2FP. (Jun13CH2FP01) General Certificate of Secondary Education Foundation Tier June 2013.

Centre Number Surname Candidate Number For Examiner s Use Other Names Candidate Signature Examiner s Initials Additional Science Unit Chemistry C2 Chemistry Unit Chemistry C2 Monday 20 May 2013 General

### B410U10-1 S17-B410U10-1. CHEMISTRY AS component 1 The Language of Chemistry, Structure of Matter and Simple Reactions

Surname Centre Number Candidate Number Other Names 2 GCE AS NEW B410U10-1 S17-B410U10-1 CHEMISTRY AS component 1 The Language of Chemistry, Structure of Matter and Simple Reactions FRIDAY, 26 MAY 2017

OCR Advanced Subsidiary GCE in Chemistry 2811 January 2001 Chemistry Foundation Subject: Chemistry Foundation Code: 2811 Session: January Year: 2001 Final Mark Scheme 14th Jan 2001 MAXIMUM MARK 90 Page

### Paper Reference 6CH01 1. Chemistry Advanced Subsidiary Unit 1: The Core Principles of Chemistry. Sample Assessment Material Time: 1 hour 15 minutes

entre No. andidate No. Surname Signature Instructions to andidates In the boxes above, write your centre number, candidate number, your surname, initial(s) and signature. heck that you have the correct