1 year n0tes chemistry new st CHAPTER 7 THERMOCHEMISTRY MCQs Q.1 Which of the following statements is contrary to the first law of thermodynamics?

Size: px
Start display at page:

Download "1 year n0tes chemistry new st CHAPTER 7 THERMOCHEMISTRY MCQs Q.1 Which of the following statements is contrary to the first law of thermodynamics?"

Transcription

1 year n0te chemitry new t CHAPTER 7 THERMOCHEMISTRY MCQ Q.1 Which of the following tatement i contrary to the firt law of thermodynamic? (a) energy can neither be created nor detroyed (b) one form of energy can be tranferred into an equivalent amount of other kind of energy (c) in an adiabatic proce, the work done i independent of it path (d) continuou production of mechanical work with out equivalent amount of heat i poible Q.2 The change in heat energy of a chemical reaction at contant temperature and preure i called (a) enthalpy change (b) bond energy (c) heat of ublimation (d) internal energy change Q.3 For the reaction NaOH + HCl NaCl + H2O, the change in enthalpy i called a: (a) heat of reaction (b) heat of formation (c) heat of neutralization (d) heat of combution Q.4 Calorie i equivalent to (a) J (b) J (c) J (d) J Q.5 For a given proce, the heat change at preure (qp) and contant volume (qv) are related to each other a (a) qp = qv (b) qp < qv (c) qp > qv (d) qp = 1

2 year n0te chemitry new t Q.6 The net heat change in a chemical reaction i ame whether. It i brought about in two or more different way in one or everal tep. It i known a (a) Henry law (b) Joule principle (c) He law (d) Law of conervation of energy Q.7 Enthalpy of neutraliation of all the trong acid and trong bae ha the ame value becaue (a) neutraliation lead to the formation of alt and H2O (b) trong acid and bae are ionic ubtance (c) acid alway give rie to H+ ion and bae alway furnih OH ion (d) the net chemical change involve the combination of H+ and OH ion to form water Q.8 If an endothermic reaction i allowed to take place very rapidly in the air. The temperature of the urrounding air (a) remain contant (b) increae (c) decreae (d) remain unchanged Q.9 In endothermic reaction, the heat content of the (a) product i more than that of reactant (b) reactant i more than that of product (c) both (a) and (b) Q.10 He law i alo called (a) firt law of thermodynamic (b) econd law of thermodynamic (c) firt law of thermochemitry (d) econd law of thermochemitry Q.11 Preure volume work i (a) P D v (b) F x d (c) h v (d) H + p v Q.12 Kinetic energy of molecule i due to (a) rotational energy (b) vibrational energy 2

3 year n0te chemitry new t (c) tranlational energy (d) all of thee Q.13 The condition for tandard enthalpy change i (a) 1 atm 30oC (b) 1 atm 0oC (c) 1 atm 25oC (d) 760 atm 25oC Q.14 The unit of enthalpy change i (a) calorie (b) joule (c) volt (d) coulomb Q.15 The um of all kind of a ytem i ion or molecule of a ytem i (a) vibrational energy (b) potential energy (c) kinetic energy (d) internal energy Q.16 An endothermic reaction i one i which (a) enthalpy of reactant and product are ame (b) enthalpy of product i greater than reactant (c) enthalpy of product i leer than reactant (d) heat i evolved from ytem Q.17 Bomb calorimeter i ued to determine (a) enthalpy of olution (b) enthalpy of atomization (c) enthalpy of combution (d) enthalpy of neutralization Q.18 Gla calorimeter i ued to determine (a) enthalpy of combution (b) enthalpy of reaction (c) preure volume work Q.19 Born Haber cycle i ued to calculate (a) enthalpy of combution (b) lattice energy of ionic camp (c) both a and b Q.20 Born Haber cycle i an application of (a) firt law of thermodynamic 3

4 year n0te chemitry new t (b) econd law of thermodynamic (c) firt law of thermochemitry (d) He law Q.21 An exothermic reaction i one in which (a) enthalpy of reactant and product are ame (b) heat i aborbed by ytem (c) enthalpy of product i greater than reactant (d) enthalpy of reactant i leer than product Q.22 A ubtance under obervation during an experiment (a) urrounding (b) ytem (c) tate function (d) univere Q.23 Enthalpy of neutralization i merely (a) heat of olution (b) heat of atomization (c) heat of combution (d) heat of formation of H2O Q.24 Lattice energy of NaCl i (a) kj (b) 344 kj (c) 776 kj (d) 411 kj Q.25 Standard enthalpy of Al2O3 cannot be meaured becaue (a) it doe not catch fire (b) it react with CO2 (c) protective layer of oxide cover the urface Q.26 Ammonium chloride diolve in water thi proce i (a) endothermic proce (b) exothermic proce (c) imple hydration Q.27 Firt law of thermodynamic i repreented a (a) D E = q + R T (b) D E = q + D P (c) E = q + P (d) E = q + w Q.28 Pumping of water uphill i (a) pontaneou reaction (b) exothermic reaction (c) (d) non pontaneou reaction endothermic 4

5 year n0te chemitry new t Q.29 In exothermic reaction D H i (a) poitive (b) negative (c) zero ANSWERS Quetion Anwer D a c c C Quetion Anwer c d c c D Quetion Anwer a d c a d Quetion Anwer b c b b d Quetion Anwer c b d c c Quetion Anwer a d b b 5

1 t year chemitry n0te new CHAPTER 11 REACTION KINETICS MCQS Q.1 In zero order reaction, the rate i independent of (a) temperature of reaction (b) concentration of reactant (c) concentration of product

More information

1 t year chemitry n0te new CHAPTER 9 SOLUTIONS MCQ Q.1 Which of the following olution ha the highet boiling point? (a) 5.85% olution of NaCl (b) 18.0% olution of glucoe (c) 6.0% olution of urea (d) all

More information

1 year chemistry n0tes new st CHAPTER 8 CHEMICAL EQUILIBRIUM MCQs Q.1 A reaction is reversible because (a) reactants are reactive (b) products are

1 year chemistry n0tes new st CHAPTER 8 CHEMICAL EQUILIBRIUM MCQs Q.1 A reaction is reversible because (a) reactants are reactive (b) products are year chemitry n0te new t CHAPTER 8 CHEMICAL EQUILIBRIUM MCQ Q.1 A reaction i reverible becaue reactant are reactive (b) product are reactive (c) product are table (d) reactant are table Q.2 A large value

More information

Chemistry 6A F2007. Dr. J.A. Mack. Titration Curves: 11/30/07. What do I need to bring? Exam 3: Friday 12/7/07 (here in lecture)

Chemistry 6A F2007. Dr. J.A. Mack. Titration Curves: 11/30/07. What do I need to bring? Exam 3: Friday 12/7/07 (here in lecture) Chemitry 6A F2007 Dr. J.A. Mack Eam : Friday 12/7/07 (here in lecture) What will be covered on the eam? Chapter 6: 6.9-6.15 Chapter 7: All Chapter 8: All Chapter 9: 9.1-9.9 Any thing from lab a well What

More information

1 t year n0te chemitry new CHAPTER 6 CHEMICAL BONDING MCQ Q.1 An ionic compound A+ B i mot likely to be formed when (a) The ionization energy of A i high and electron affinity of B i low (b) The ionization

More information

CHAPTER7 THERMOCHEMISTRY TEXT BOOK EXERCISE Q1. Select the suitable answer from the given choices. (i) If an endothermic reaction is allowed to take place very rapidly in the air the temperature of the

More information

Topic 05 Energetics : Heat Change. IB Chemistry T05D01

Topic 05 Energetics : Heat Change. IB Chemistry T05D01 Topic 05 Energetics 5.1-5.2: Heat Change IB Chemistry T05D01 5.1 Exothermic and endothermic reactions - 1 hour 5.1.1 Define the terms exothermic reaction, endothermic reaction and standard enthalpy change

More information

Q.4 Which of the following of will have the same number of

Q.4 Which of the following of will have the same number of year n0te chemitry new t Chapter 3rd GASES MCQ Q.1 The order of the rate of diffuion of gae NH3, SO2, Cl2 and CO2 i: (a) NH3 > SO2 > Cl2 > CO2 (b) NH3 > CO2 > SO2 > Cl2 Cl2> SO2 > CO2 > NH3 None of thee

More information

Sample Question Solutions for the Chemistry of Environment Topic Exam

Sample Question Solutions for the Chemistry of Environment Topic Exam Name (Lat, Firt): ID Number: Sample Quetion Solution for the Chemitry of Environment Topic Exam 1. The earth tratophere contain a region of high ozone (O3) concentration called the ozone layer. The ozone

More information

Chapter 6. Thermochemistry

Chapter 6. Thermochemistry Chapter 6 Thermochemistry This chapter develops for the student the concepts of thermochemistry. Upon completion of Chapter 6, the student should be able to: 1. Define and explain the following terms:

More information

2013, 2011, 2009, 2008 AP

2013, 2011, 2009, 2008 AP Lecture 15 Thermodynamics I Heat vs. Temperature Enthalpy and Work Endothermic and Exothermic Reactions Average Bond Enthalpy Thermodynamics The relationship between chemical reactions and heat. What causes

More information

I. Chemical Reactions that Involve Heat

I. Chemical Reactions that Involve Heat Unit 12 Energy I. Chemical Reactions that Involve Heat Thermochemistry: study of changes in heat in chemical reactions. Endothermic: absorbs heat; temp. goes down Exothermic: releases heat; temp. goes

More information

Thermochemistry Chapter 4

Thermochemistry Chapter 4 Thermochemistry Chapter 4 Thermochemistry is the study of energy changes that occur during chemical reactions Focus is on heat and matter transfer between the system and the surroundings Energy The ability

More information

Chapter 6: Thermochemistry

Chapter 6: Thermochemistry Chapter 6: Thermochemistry 1. Light the Furnace: The Nature of Energy and Its Transformations a. Thermochemistry is the study of the relationships between chemistry and energy i. This means that we will

More information

SOLUTIONS

SOLUTIONS SOLUTIONS Topic-2 RAOULT S LAW, ALICATIONS AND NUMERICALS VERY SHORT ANSWER QUESTIONS 1. Define vapour preure? An: When a liquid i in equilibrium with it own vapour the preure exerted by the vapour on

More information

Chapter 5. Thermochemistry

Chapter 5. Thermochemistry Chapter 5 Thermochemistry Dr. A. Al-Saadi 1 Preview Introduction to thermochemistry: Potential energy and kinetic energy. Chemical energy. Internal energy, work and heat. Exothermic vs. endothermic reactions.

More information

Energy & Chemistry. Internal Energy (E) Energy and Chemistry. Potential Energy. Kinetic Energy. Energy and Chemical Reactions: Thermochemistry or

Energy & Chemistry. Internal Energy (E) Energy and Chemistry. Potential Energy. Kinetic Energy. Energy and Chemical Reactions: Thermochemistry or Page III-5-1 / Chapter Five Lecture Notes Energy & Chemistry Energy and Chemical Reactions: Thermochemistry or Thermodynamics Chapter Five Burning peanuts supplies sufficient energy to boil a cup of water

More information

Selected Questions on Chapter 5 Thermochemistry

Selected Questions on Chapter 5 Thermochemistry Selected Questions on Chapter 5 Thermochemistry Circle the correct answer: 1) At what velocity (m/s) must a 20.0 g object be moving in order to possess a kinetic energy of 1.00 J? A) 1.00 B) 100 10 2 C)

More information

4. The following graphs were prepared from experimental data for a reactant, A. What is the correct order of A?

4. The following graphs were prepared from experimental data for a reactant, A. What is the correct order of A? Diebolt Summer 010 CHM 15 HOUR EXAM I KEY (15 pt) Part One: Multiple Choice. 1. Conider the reaction IO 3 + 5I + 6H + 3I + 3H O. If the rate of diappearance of I i 9.010-3 M/, what i the rate of appearance

More information

MAE320-HW7A. 1b). The entropy of an isolated system increases during a process. A). sometimes B). always C). never D).

MAE320-HW7A. 1b). The entropy of an isolated system increases during a process. A). sometimes B). always C). never D). MAE0-W7A The homework i due Monday, November 4, 06. Each problem i worth the point indicated. Copying o the olution rom another i not acceptable. (). Multiple choice (0 point) a). Which tatement i invalid

More information

Unit 7 Kinetics and Thermodynamics

Unit 7 Kinetics and Thermodynamics 17.1 The Flow of Energy Heat and Work Unit 7 Kinetics and Thermodynamics I. Energy Transformations A. Temperature 1. A measure of the average kinetic energy of the particles in a sample of matter B. Heat

More information

Final Comprehensive Exam Physical Mechanics Friday December 15, Total 100 Points Time to complete the test: 120 minutes

Final Comprehensive Exam Physical Mechanics Friday December 15, Total 100 Points Time to complete the test: 120 minutes Final Comprehenive Exam Phyical Mechanic Friday December 15, 000 Total 100 Point Time to complete the tet: 10 minute Pleae Read the Quetion Carefully and Be Sure to Anwer All Part! In cae that you have

More information

Chapter 8 Thermochemistry: Chemical Energy. Chemical Thermodynamics

Chapter 8 Thermochemistry: Chemical Energy. Chemical Thermodynamics Chapter 8 Thermochemistry: Chemical Energy Chapter 8 1 Chemical Thermodynamics Chemical Thermodynamics is the study of the energetics of a chemical reaction. Thermodynamics deals with the absorption or

More information

CHEMISTRY. CHM201 Class #10 CHEMISTRY. Chapter 5. Particulate Review. Thermochemistry: Energy Changes in Reactions

CHEMISTRY. CHM201 Class #10 CHEMISTRY. Chapter 5. Particulate Review. Thermochemistry: Energy Changes in Reactions CHEMISTRY Fifth Edition Gilbert Kirss Foster Bretz Davies CHM201 Class #10 Chemistry, 5 th Edition Copyright 2017, W. W. Norton & Company CHEMISTRY Fifth Edition Gilbert Kirss Foster Bretz Davies Chapter

More information

CHEMISTRY. Chapter 5 Thermochemistry

CHEMISTRY. Chapter 5 Thermochemistry CHEMISTRY The Central Science 8 th Edition Chapter 5 Thermochemistry Dr. Kozet YAPSAKLI The Nature of Energy Kinetic and Potential Energy Potential energy can be converted into kinetic energy. E p = mgh

More information

Lecture 13. Thermodynamic Potentials (Ch. 5)

Lecture 13. Thermodynamic Potentials (Ch. 5) Lecture 13. hermodynamic Potential (Ch. 5) So far we have been uing the total internal energy U and ometime the enthalpy H to characterize variou macrocopic ytem. hee function are called the thermodynamic

More information

Chapter 6: Thermochemistry

Chapter 6: Thermochemistry Chapter 6: Thermochemistry Thermochemistry: energy considerations associated with chemical and physical change Energy: the capacity of a system to do work or produce heat potential energy energy of position;

More information

AP Physics Quantum Wrap Up

AP Physics Quantum Wrap Up AP Phyic Quantum Wrap Up Not too many equation in thi unit. Jut a few. Here they be: E hf pc Kmax hf Thi i the equation for the energy of a photon. The hf part ha to do with Planck contant and frequency.

More information

Chemistry You Need to Know and Ohio Science Standards. Antacids. Chpt 2-- Chpt 3-- Chpt 5-- Soap. Chpt 4-- Light. Airbags. Section 4-2.

Chemistry You Need to Know and Ohio Science Standards. Antacids. Chpt 2-- Chpt 3-- Chpt 5-- Soap. Chpt 4-- Light. Airbags. Section 4-2. Ohio Standard Batterie 9th grade 1. Recognize that all atom of the ame element contain the ame number of proton, and element with the ame number of proton may or may not have the ame ma. Thoe with different

More information

Chapter 3 Solubility Equilibrium Answer Key

Chapter 3 Solubility Equilibrium Answer Key BC Science Chemitry 12 Chapter 3 Solubility Equilibrium Anwer Key September 20, 2012 3.1 The Concept of Solubility Warm Up 1. Potaium phophate Xenon hexafluoride Phophoric acid Sulphur dioxide Ammonium

More information

1 t year n0te chemitry new CHAPTER 5 ATOMIC STRUCTURE MCQ Q.1 Splitting of pectral line when atom are ubjected to trong electric field i called (a) Zeeman effect (b) Stark effect (c) Photoelectric effect

More information

THERMODYNAMICS OF REACTING SYSTEMS

THERMODYNAMICS OF REACTING SYSTEMS ChE 505 Chapter N THERMODYNAMICS OF REACTING SYSTEMS. Introduction Thi chapter explain the baic of thermodynamic calculation for reacting ytem. Reaction toichiometry, heat and entropy of reaction a well

More information

Downloaded from

Downloaded from THERMODYNAMICS Thermodynamics: is the branch of science which deals with deals with the study of different forms of energy and the quantitative relationship between them. Significance of Thermodynamics:

More information

Geothermal power Wairakei North Island, New Zealand

Geothermal power Wairakei North Island, New Zealand 1 Geothermal power Wairakei North Island, New Zealand 2 3 Burning peanuts supply sufficient energy to boil a cup of water. Burning sugar (sugar reacts with KClO 3, a strong oxidizing agent) 4 These reactions

More information

Quiz I: Thermodynamics

Quiz I: Thermodynamics Quiz I: Thermodynamics SCH4U_2018-2019_V2 NAME: (Total Score: / 30) Multiple Choice (12) 1. What can be deduced from the following reaction profile? A. The reactants are less stable than the products and

More information

s much time does it take for the dog to run a distance of 10.0m

s much time does it take for the dog to run a distance of 10.0m ATTENTION: All Diviion I tudent, START HERE. All Diviion II tudent kip the firt 0 quetion, begin on #.. Of the following, which quantity i a vector? Energy (B) Ma Average peed (D) Temperature (E) Linear

More information

Table 1. Data for Heat Capacity Trial 1 Trial 2

Table 1. Data for Heat Capacity Trial 1 Trial 2 Thermochemistry: Measuring Enthalpy Change in Chemical Reactions Experiment created by the UMaine InterChemNet Team. Adapted with permission. Print this form and bring it with you to lab. You will complete

More information

Thermochemistry. Energy (and Thermochemistry) World of Chemistry Chapter 10. Energy. Energy

Thermochemistry. Energy (and Thermochemistry) World of Chemistry Chapter 10. Energy. Energy Thermochemistry Thermodynamics is the science of the relationship between heat and other forms of energy. (and Thermochemistry) World of Chemistry Chapter 10 is defined as the ability to do work or produce

More information

ME 375 FINAL EXAM Wednesday, May 6, 2009

ME 375 FINAL EXAM Wednesday, May 6, 2009 ME 375 FINAL EXAM Wedneday, May 6, 9 Diviion Meckl :3 / Adam :3 (circle one) Name_ Intruction () Thi i a cloed book examination, but you are allowed three ingle-ided 8.5 crib heet. A calculator i NOT allowed.

More information

Chemical Energetics. First Law of thermodynamics: Energy can be neither created nor destroyed but It can be converted from one form to another.

Chemical Energetics. First Law of thermodynamics: Energy can be neither created nor destroyed but It can be converted from one form to another. Chemical Energetics First Law of thermodynamics: Energy can be neither created nor destroyed but It can be converted from one form to another. All chemical reactions are accompanied by some form of energy

More information

Thermodynamics. Standard enthalpy change, H

Thermodynamics. Standard enthalpy change, H Standard enthalpy change, H Thermodynamics Enthalpy change, H, is defined as the heat energy change measured under conditions of constant pressure. The value of the enthalpy change for a particular reaction

More information

Chapter 6: Thermochemistry

Chapter 6: Thermochemistry Chem 1045 General Chemistry by Ebbing and Gammon, 8th Edition George W.J. Kenney, Jr Last Update: 24-Oct-2008 Chapter 6: Thermochemistry These Notes are to SUPPLIMENT the Text, They do NOT Replace reading

More information

Chapter 8 Thermochemistry: Chemical Energy

Chapter 8 Thermochemistry: Chemical Energy Chapter 8 Thermochemistry: Chemical Energy 國防醫學院生化學科王明芳老師 2011-11-8 & 2011-11-15 Chapter 8/1 Energy and Its Conservation Conservation of Energy Law: Energy cannot be created or destroyed; it can only be

More information

Thermodynamic Processes and Thermochemistry

Thermodynamic Processes and Thermochemistry General Chemistry Thermodynamic Processes and Thermochemistry 박준원교수 ( 포항공과대학교화학과 ) 이번시간에는! Systems, states, and processes The first law of thermodynamics: internal energy, work, and heat Heat capacity,

More information

For more info visit

For more info visit Basic Terminology: Terms System Open System Closed System Isolated system Surroundings Boundary State variables State Functions Intensive properties Extensive properties Process Isothermal process Isobaric

More information

Thermodynamics 1. Hot Milk in a thermos flask is an example for 1) Isolated system ) Open system 3) Closed system 4) Adiabatic system. In open system, system and surroundings exchange 1) Energy only )

More information

THERMOCHEMISTRY & DEFINITIONS

THERMOCHEMISTRY & DEFINITIONS THERMOCHEMISTRY & DEFINITIONS Thermochemistry is the study of the study of relationships between chemistry and energy. All chemical changes and many physical changes involve exchange of energy with the

More information

Calculate the mass of L of oxygen gas at 25.0 C and 1.18 atm pressure.

Calculate the mass of L of oxygen gas at 25.0 C and 1.18 atm pressure. 148 Calculate the mass of 22650 L of oxygen gas at 25.0 C and 1.18 atm pressure. 1 - Convert the volume of oxygen gas to moles using IDEAL GAS EQUATION 2 - Convert moles oxygen gas to mass using formula

More information

two equations that govern the motion of the fluid through some medium, like a pipe. These two equations are the

two equations that govern the motion of the fluid through some medium, like a pipe. These two equations are the Fluid and Fluid Mechanic Fluid in motion Dynamic Equation of Continuity After having worked on fluid at ret we turn to a moving fluid To decribe a moving fluid we develop two equation that govern the motion

More information

1. Entropy questions: PICK TWO (6 each)

1. Entropy questions: PICK TWO (6 each) 1. Entropy questions: PICK TWO (6 each) 1.00 mole of water freezes at 0.00ºC and 1 atm, releasing 6.01 kj of heat. Calculate the change in entropy and free energy for the process. Calculate the entropy

More information

ρ water = 1000 kg/m 3 = 1.94 slugs/ft 3 γ water = 9810 N/m 3 = 62.4 lbs/ft 3

ρ water = 1000 kg/m 3 = 1.94 slugs/ft 3 γ water = 9810 N/m 3 = 62.4 lbs/ft 3 CEE 34 Aut 004 Midterm # Anwer all quetion. Some data that might be ueful are a follow: ρ water = 1000 kg/m 3 = 1.94 lug/ft 3 water = 9810 N/m 3 = 6.4 lb/ft 3 1 kw = 1000 N-m/ 1. (10) A 1-in. and a 4-in.

More information

Thermochemistry. Energy. 1st Law of Thermodynamics. Enthalpy / Calorimetry. Enthalpy of Formation

Thermochemistry. Energy. 1st Law of Thermodynamics. Enthalpy / Calorimetry. Enthalpy of Formation THERMOCHEMISTRY Thermochemistry Energy 1st Law of Thermodynamics Enthalpy / Calorimetry Hess' Law Enthalpy of Formation The Nature of Energy Kinetic Energy and Potential Energy Kinetic energy is the energy

More information

Worksheet 5.2. Chapter 5: Energetics fast facts

Worksheet 5.2. Chapter 5: Energetics fast facts Worksheet 52 Chapter 5: Energetics fast facts 51 Exothermic and endothermic reactions Energetics deals with heat changes in chemical reactions Enthalpy is the amount of heat energy contained in a substance

More information

Energy, Heat and Chemical Change

Energy, Heat and Chemical Change Energy, Heat and Chemical Change Chemistry 35 Fall 2000 Thermochemistry A part of Thermodynamics dealing with energy changes associated with physical and chemical reactions Why do we care? -will a reaction

More information

Chapter 5 - Thermochemistry

Chapter 5 - Thermochemistry Chapter 5 - Thermochemistry Study of energy changes that accompany chemical rx s. I) Nature of Energy Energy / Capacity to do work Mechanical Work w = F x d Heat energy - energy used to cause the temperature

More information

Thermochemistry and Thermodynamics. What is the standard heat of formation of methane, H f CH 4 (g), as calculated from the data above?

Thermochemistry and Thermodynamics. What is the standard heat of formation of methane, H f CH 4 (g), as calculated from the data above? Thermochemistry and Thermodynamics 38% 1. H 4 (g) + 2 O 2 (g) O 2 (g) + 2 H 2 O(l); = - 889.1 kj H f H 2 O(l) = - 285.8 kj / mole H f O 2 (g) = - 393.3 kj / mole What is the standard heat of formation

More information

CHEMISTRY LEVEL 4C (CHM415115)

CHEMISTRY LEVEL 4C (CHM415115) CHEMISTRY LEVEL 4C (CHM415115) THERMOCHEMISTRY & ENERGY CHANGES THEORY SUMMARY & REVISION QUESTIONS Tasmanian TCE Chemistry Revision Guides by Jak Denny are licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives

More information

Thermochemistry. Mr.V

Thermochemistry. Mr.V Thermochemistry Mr.V Introduction to Energy changes System Surroundings Exothermic Endothermic Internal energy Enthalpy Definitions System A specified part of the universe which is under investigation

More information

Name: General Chemistry Chapter 11 Thermochemistry- Heat and Chemical Change

Name: General Chemistry Chapter 11 Thermochemistry- Heat and Chemical Change Name: General Chemistry Chapter 11 Thermochemistry- Heat and Chemical Change Notepack 1 Section 11.1: The Flow of Energy Heat (Pages 293 299) 1. Define the following terms: a. Thermochemistry b. Energy

More information

CS 170: Midterm Exam II University of California at Berkeley Department of Electrical Engineering and Computer Sciences Computer Science Division

CS 170: Midterm Exam II University of California at Berkeley Department of Electrical Engineering and Computer Sciences Computer Science Division 1 1 April 000 Demmel / Shewchuk CS 170: Midterm Exam II Univerity of California at Berkeley Department of Electrical Engineering and Computer Science Computer Science Diviion hi i a cloed book, cloed calculator,

More information

into a discrete time function. Recall that the table of Laplace/z-transforms is constructed by (i) selecting to get

into a discrete time function. Recall that the table of Laplace/z-transforms is constructed by (i) selecting to get Lecture 25 Introduction to Some Matlab c2d Code in Relation to Sampled Sytem here are many way to convert a continuou time function, { h( t) ; t [0, )} into a dicrete time function { h ( k) ; k {0,,, }}

More information

CHEM 103 CHEMISTRY I

CHEM 103 CHEMISTRY I CHEM 103 CHEMISTRY I CHAPTER 5 THERMOCHEMISTRY Inst. Dr. Dilek IŞIK TAŞGIN Inter-Curricular Courses Department Çankaya University, Inc. Energy Energy is the ability to do work or transfer heat. Energy

More information

Midterm Review - Part 1

Midterm Review - Part 1 Honor Phyic Fall, 2016 Midterm Review - Part 1 Name: Mr. Leonard Intruction: Complete the following workheet. SHOW ALL OF YOUR WORK. 1. Determine whether each tatement i True or Fale. If the tatement i

More information

Chapter 3. Thermochemistry: Energy Flow and Chemical Change. 5.1 Forms of Energy and Their Interconversion

Chapter 3. Thermochemistry: Energy Flow and Chemical Change. 5.1 Forms of Energy and Their Interconversion Chapter 3 Thermochemistry: Energy Flow and Chemical Change 5.1 Forms of Energy and Their Interconversion 5.2 Enthalpy: Chemical Change at Constant Pressure 5.3 Calorimetry: Measuring the Heat of a Chemical

More information

Unit 15 Energy and Thermochemistry Notes

Unit 15 Energy and Thermochemistry Notes Name Period CRHS Academic Chemistry Unit 15 Energy and Thermochemistry Notes Quiz Date Exam Date Lab Dates Notes, Homework, Exam Reviews and Their KEYS located on CRHS Academic Chemistry Website: https://cincochem.pbworks.com

More information

1 A. That the reaction is endothermic when proceeding in the left to right direction as written.

1 A. That the reaction is endothermic when proceeding in the left to right direction as written. 1 Q. If Δ r H is positive, what can you say about the reaction? 1 A. That the reaction is endothermic when proceeding in the left to right direction as written. 2 Q If Δ r H is negative, what can you say

More information

Name SUNY Chemistry Practice Test: Chapter 5

Name SUNY Chemistry Practice Test: Chapter 5 Name SUNY Chemistry Practice Test: Chapter 5 Multiple Choice 1. 1... 3. 3. 4. 4. 5. 6. 7. 8. 9. 10. 11. 1. 13. 14. 15. 16. 17. 18. 19. 0. 1 1) Calculate the kinetic energy in joules of an automobile weighing

More information

Mr Chiasson Advanced Chemistry 12 / Chemistry 12 1 Unit B: Thermochemical Changes

Mr Chiasson Advanced Chemistry 12 / Chemistry 12 1 Unit B: Thermochemical Changes Mr Chiasson Advanced Chemistry 12 / Chemistry 12 1 Unit B: Thermochemical Changes Students will be expected to: Compare the molar enthalpies of several combustion reactions involving organic compounds.

More information

/University of Washington Department of Chemistry Chemistry 453 Winter Quarter 2009

/University of Washington Department of Chemistry Chemistry 453 Winter Quarter 2009 Lecture 0 /6/09 /Univerity of Wahington Department of Chemitry Chemitry 453 Winter Quarter 009. Wave Function and Molecule Can quantum mechanic explain the tructure of molecule by determining wave function

More information

measure ΔT in water to get q = q surroundings and use q system = q surroundings

measure ΔT in water to get q = q surroundings and use q system = q surroundings example using water: Calculate the amount of energy required to heat 95.0 g of water from 22.5 C to 95.5 C. q = s m ΔT ( C (4.184 J g 1 C 1 ) (95.0 g) (73.0 = = 2.90 x 10 4 J or 29.0 kj Constant Pressure

More information

MATEMATIK Datum: Tid: eftermiddag. A.Heintz Telefonvakt: Anders Martinsson Tel.:

MATEMATIK Datum: Tid: eftermiddag. A.Heintz Telefonvakt: Anders Martinsson Tel.: MATEMATIK Datum: 20-08-25 Tid: eftermiddag GU, Chalmer Hjälpmedel: inga A.Heintz Telefonvakt: Ander Martinon Tel.: 073-07926. Löningar till tenta i ODE och matematik modellering, MMG5, MVE6. Define what

More information

_ + Units of Energy. Energy in Thermochemistry. Thermochemistry. Energy flow between system and surroundings. 100º C heat 50º C

_ + Units of Energy. Energy in Thermochemistry. Thermochemistry. Energy flow between system and surroundings. 100º C heat 50º C Units of Energy Like we saw with pressure, many different units are used throughout the world for energy. SI unit for energy 1kg m 1J = 2 s 2 Joule (J) calorie (cal) erg (erg) electron volts (ev) British

More information

Bogoliubov Transformation in Classical Mechanics

Bogoliubov Transformation in Classical Mechanics Bogoliubov Tranformation in Claical Mechanic Canonical Tranformation Suppoe we have a et of complex canonical variable, {a j }, and would like to conider another et of variable, {b }, b b ({a j }). How

More information

2015 PhysicsBowl Solutions Ans Ans Ans Ans Ans B 2. C METHOD #1: METHOD #2: 3. A 4.

2015 PhysicsBowl Solutions Ans Ans Ans Ans Ans B 2. C METHOD #1: METHOD #2: 3. A 4. 05 PhyicBowl Solution # An # An # An # An # An B B B 3 D 4 A C D A 3 D 4 C 3 A 3 C 3 A 33 C 43 B 4 B 4 D 4 C 34 A 44 E 5 E 5 E 5 E 35 E 45 B 6 D 6 A 6 A 36 B 46 E 7 A 7 D 7 D 37 A 47 C 8 E 8 C 8 B 38 D

More information

Experiment #12. Enthalpy of Neutralization

Experiment #12. Enthalpy of Neutralization Experiment #12. Enthalpy of Neutralization Introduction In the course of most physical processes and chemical reactions there is a change in energy. In chemistry what is normally measured is ΔH (enthalpy

More information

Fair Game Review. Chapter 6. Evaluate the expression. 3. ( ) 7. Find ± Find Find Find the side length s of the square.

Fair Game Review. Chapter 6. Evaluate the expression. 3. ( ) 7. Find ± Find Find Find the side length s of the square. Name Date Chapter 6 Evaluate the epreion. Fair Game Review 1. 5 1 6 3 + 8. 18 9 + 0 5 3 3 1 + +. 9 + 7( 8) + 5 0 + ( 6 8) 1 3 3 3. ( ) 5. Find 81. 6. Find 5. 7. Find ± 16. 8. Find the ide length of the

More information

To calculate heat (q) for a given temperature change: heat (q) = (specific heat) (mass) ( T) where T = T f T i

To calculate heat (q) for a given temperature change: heat (q) = (specific heat) (mass) ( T) where T = T f T i Use your textbook or other resources available to answer the following questions General Information: Thermochemistry Phase Change A change in the physical form/state but not a change in the chemical identity

More information

3. A forward reaction has an activation energy of 50 kj and a H of 100 kj. The PE. diagram, which describes this reaction, is

3. A forward reaction has an activation energy of 50 kj and a H of 100 kj. The PE. diagram, which describes this reaction, is Kinetics Quiz 4 Potential Energy Diagrams 1. A catalyst increases the rate of a reaction by A. Increasing the concentration of the reactant(s) B. Decreasing the concentration of the reactant(s) C. Increasing

More information

Question 1 Equivalent Circuits

Question 1 Equivalent Circuits MAE 40 inear ircuit Fall 2007 Final Intruction ) Thi exam i open book You may ue whatever written material you chooe, including your cla note and textbook You may ue a hand calculator with no communication

More information

First Law of Thermodynamics

First Law of Thermodynamics Energy Energy: ability to do work or produce heat. Types of energy 1) Potential energy - energy possessed by objects due to position or arrangement of particles. Forms of potential energy - electrical,

More information

Relaxation in Glass: Review of Thermodynamics. Lecture 10: Thermodynamic Functions

Relaxation in Glass: Review of Thermodynamics. Lecture 10: Thermodynamic Functions Reaxation in a: Review of hermodynamic Lecture 10: hermodynamic Function 2 nd Law of hermodynamic irreveribe procee Exercie for omework: Conider the two procee: Reveribe equiibrium heating of ice from

More information

AP Physics Charge Wrap up

AP Physics Charge Wrap up AP Phyic Charge Wrap up Quite a few complicated euation for you to play with in thi unit. Here them babie i: F 1 4 0 1 r Thi i good old Coulomb law. You ue it to calculate the force exerted 1 by two charge

More information

Chapter 8. Thermochemistry 강의개요. 8.1 Principles of Heat Flow. 2) Magnitude of Heat Flow. 1) State Properties. Basic concepts : study of heat flow

Chapter 8. Thermochemistry 강의개요. 8.1 Principles of Heat Flow. 2) Magnitude of Heat Flow. 1) State Properties. Basic concepts : study of heat flow 강의개요 Basic concepts : study of heat flow Chapter 8 Thermochemistry Calorimetry : experimental measurement of the magnitude and direction of heat flow Thermochemical Equations Copyright 2005 연세대학교이학계열일반화학및실험

More information

Chemistry: The Central Science. Chapter 5: Thermochemistry

Chemistry: The Central Science. Chapter 5: Thermochemistry Chemistry: The Central Science Chapter 5: Thermochemistry Study of energy and its transformations is called thermodynamics Portion of thermodynamics that involves the relationships between chemical and

More information

Thermodynamics C Test

Thermodynamics C Test Northern Regional: January 19 th, 2019 Thermodynamics C Test Name(s): Team Name: School Name: Team Number: Rank: Score: Science Olympiad North Florida Regional at the University of Florida Thermodynamics

More information

OCR Chemistry A H432

OCR Chemistry A H432 All the energy changes we have considered so far have been in terms of enthalpy, and we have been able to predict whether a reaction is likely to occur on the basis of the enthalpy change associated with

More information

MAE 101A. Homework 3 Solutions 2/5/2018

MAE 101A. Homework 3 Solutions 2/5/2018 MAE 101A Homework 3 Solution /5/018 Munon 3.6: What preure gradient along the treamline, /d, i required to accelerate water upward in a vertical pipe at a rate of 30 ft/? What i the anwer if the flow i

More information

1. The reaction rate is defined as the change in concentration of a reactant or product per unit time. Consider the general reaction:

1. The reaction rate is defined as the change in concentration of a reactant or product per unit time. Consider the general reaction: CHAPTER TWELVE CHEMICAL KINETICS For Review. The reaction rate i defined a the change in concentration of a reactant or product per unit time. Conider the general reaction: A Product where rate = Δ Δt

More information

Online supplementary information

Online supplementary information Electronic Supplementary Material (ESI) for Soft Matter. Thi journal i The Royal Society of Chemitry 15 Online upplementary information Governing Equation For the vicou flow, we aume that the liquid thickne

More information

Name: Section: Score: /10 PRE LABORATORY ASSIGNMENT EXPERIMENT 7

Name: Section: Score: /10 PRE LABORATORY ASSIGNMENT EXPERIMENT 7 Name: Section: Score: /10 PRE LABORATORY ASSIGNMENT EXPERIMENT 7 1. Is the sign of Δ r H for an exothermic reaction positive or negative? Why? 2. When 4.21 grams of potassium hydroxide are added to 250.

More information

AP Chemistry: Kinetics Practice Problems

AP Chemistry: Kinetics Practice Problems AP Chemitr: Kinetic Practice Problem Direction: Write our anwer to the following quetion in the pace provided. For problem olving, how all of our work. Make ure that our anwer how proper unit, notation,

More information

Lecture Presentation. Chapter 5. Thermochemistry Pearson Education, Inc.

Lecture Presentation. Chapter 5. Thermochemistry Pearson Education, Inc. Lecture Presentation Chapter 5 Energy Energy is the ability to do work or transfer heat. Energy used to cause an object that has mass to move is called work. Energy used to cause the temperature of an

More information

5.2 Energy. N Goalby chemrevise.org Lattice Enthalpy. Definitions of enthalpy changes

5.2 Energy. N Goalby chemrevise.org Lattice Enthalpy. Definitions of enthalpy changes 5.2 Energy 5.2.1 Lattice Enthalpy Definitions of enthalpy changes Enthalpy change of formation The standard enthalpy change of formation of a compound is the energy transferred when 1 mole of the compound

More information

Ch. 7: Thermochemistry

Ch. 7: Thermochemistry Thermodynamics and Thermochemistry Thermodynamics concerns itself with energy and its relationship to the large scale bulk properties of a system that are measurable: Volume, Temperature, Pressure, Heat

More information

AP Chapter 6: Thermochemistry Name

AP Chapter 6: Thermochemistry Name AP Chapter 6: Thermochemistry Name Warm-Ups (Show your work for credit) Date 1. Date 2. Date 3. Date 4. Date 5. Date 6. Date 7. Date 8. AP Chapter 6: Thermochemistry 2 Warm-Ups (Show your work for credit)

More information

Brown, LeMay Ch 5 AP Chemistry Monta Vista High School

Brown, LeMay Ch 5 AP Chemistry Monta Vista High School Brown, LeMay Ch 5 AP Chemistry Monta Vista High School 1 From Greek therme (heat); study of energy changes in chemical reactions Energy: capacity do work or transfer heat Joules (J), kilo joules (kj) or

More information

2. (12 pts) Write the reactions that correspond to the following enthalpy changes: a) H f o for solid aluminum oxide.

2. (12 pts) Write the reactions that correspond to the following enthalpy changes: a) H f o for solid aluminum oxide. 1. (6 pts) Given the following data at 25 o C: 2 O 3 (g) > 3 O 2 (g) H o = 427 kj O 2 (g) > 2 O (g) H o = 495 kj NO (g) + O 3 (g) > NO 2 (g) + O 2 (g) H o = 199 kj Calculate H o for the following reaction

More information

Name Class Date. As you read Lesson 17.1, use the cause and effect chart below. Complete the chart with the terms system and surroundings.

Name Class Date. As you read Lesson 17.1, use the cause and effect chart below. Complete the chart with the terms system and surroundings. Name Class Date Thermochemistry 17.1 The Flow of Energy As you read Lesson 17.1, use the cause and effect chart below. Complete the chart with the terms system and surroundings. Process Cause Effect endothermic

More information

Chapter 5 Thermochemistry. 許富銀 ( Hsu Fu-Yin)

Chapter 5 Thermochemistry. 許富銀 ( Hsu Fu-Yin) Chapter 5 Thermochemistry 許富銀 ( Hsu Fu-Yin) 1 Thermodynamics The study of energy and its transformations is known as thermodynamics The relationships between chemical reactions and energy changes that

More information

Chapter 6. Heat Flow

Chapter 6. Heat Flow Chapter 6 Thermochemistry Heat Flow Heat (q): energy transferred from body at high T to body at low T Two definitions: System: part of universe we are interested in Surrounding: the rest of the universe

More information