Welcome to Navigate Powered by NIDES Chemistry 11! Middle name: Cell Phone #: Parent/ guardian Other school

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1 Welcome to Navigate Powered by NIDES Chemistry 11! Legal last name: Other last name: First name: Home phone#: Middle name: Cell Phone #: Student Parent/ guardian Other school Instructions: This assignment is intended to take approximately 5-10 hours to complete. It is worth 10% of your final grade for the course, so complete it carefully: 1. Read each question carefully before answering 2. Answer all questions to the best of your ability, and in your own words. Plagiarized assignments will not be accepted, and you will not be registered in the course. 3. Take your time and explore all of the resources. You will receive a higher mark on your First Assignment if you include your learning from the readings and resources provided. Contact the Chemistry 11 teacher for help with the First Assignment if you need it. Teacher contact information can be found on the Navigate Website 4. When you have completed this assignment, return it as an attachment to an to: registrar@sd71.bc.ca or attach it to your registration form Quiz #1 /33 = % Quiz #2 /35 = % Office Use Only Date: Teacher feedback: Chemistry 11 First Assignment Quiz #1

2 You will use the following reading material for this lesson: Lesson 1 Reading Booklet Lesson 1 Practice Questions Answer Key Lesson 1 Printables: Rules of Significant Figures Unit Conversion Examples Rounding Off Examples Lesson 1 Quiz: 1. Which of the following is a quantitative observation? a) Since the smoke was black it likely contained carbon. b) The candle produced black smoke as it burned. c) The candle is made of a translucent slippery solid. d) The candle had an initial mass of g. 2. How close a measurement comes to an accepted value is called its: a) uncertainty b) precision c) accuracy d) absolute value e) certainty 3. The last digit recorded in a measurement a) has some uncertainty and gives no useful information b) is the last absolutely certain digit c) is always put in just to show the decimal place

3 d) has some uncertainty but gives some useful information e) should not have any uncertainty 4. An electronic balance gave identical readings for three different students for the same evaporating dish (47.68 g). It was found that the balance was improperly set and that the real value should have been g. In this example the readings were: a) accurate and precise b) precise but not accurate c) accurate but not precise d) neither accurate nor precise 5. Which statement best describes the data below if the real value is 13.85? i) ii) iii) iv) a) accurate and precise b) accurate but not precise c) precise but not accurate d) neither accurate nor precise 6. Which statement best describes the data below if the real value is 14.19? i) ii) iii) iv) a) precise but not accurate b) accurate but not precise c) accurate and precise d) neither accurate nor precise 7. Which statement best describes the data below if the real value is 14.19? i) ii) iii) iv) a) precise but not accurate b) neither accurate nor precise c) accurate and precise

4 d) accurate but not precise 8. The sum of the numbers , to the correct number of significant digits, is: a) b) c) d) 74.3 e) When the numbers 5.56 x 10 2 and 3.81 x 10 3 are added the result is: a) 4.36 x 10 3 b) x 10 3 c) x 10 2 d) 4.37 x When , and are added the result is: a) b) c) d) When the numbers 552. and are added the result is: a) 591 b) 590 c) 5.90 x 10 2 d) When is subtracted from 21.0 the difference is: a) 19.94

5 b) 19.9 c) d) When 5.1 x 10-3 is subtracted from the difference is: a) b) c) 1.00 d) 1.0 e) When the numbers 21.1 and 210. are added the result is: a) 231 b) c) 230 d) When 0.652, and are added the result is: a) 27.8 b) c) d) When 1.05 is subtracted from 11.0 the difference is: a) 9.9 b) 9.90 c) 10. d) 10.0 e) 9.95

6 17. A student measures out 7.2 ml of water in a 10 ml graduated cylinder and 641 ml in a 1000 ml graduated cylinder. If the two volumes are combined in a beaker, the total should be recorded as: a) 648 ml b) ml c) 650 ml d) 6.5 x Two different balances are used in determining the masses of two different objects as g and 4.24 g. The total of these two masses should be recorded as: a) 630 g b) g c) 628 g d) g 19. The metric prefix for 1/1000 is: a) centi b) milli c) micro d) kilo 20. Convert kg to g. a) 0.68 g b) 6.8 g c) 68 g d) g 21. Convert 682 g to kg. a) 6.82 kg b) kg c) kg d) kg

7 22. Convert 2500 J to kj. a) 2.5 kj b) 0.25 kj c) 25.0 kj d) 250 kj 23. Convert 0.5 mg to g. a) 5 g b) g c) 500 g d) 0.5 g 24. Convert 500. mg to g. a) g b) g c) g d) g 25. Convert 6.8 ml to L. a) 68 L b) 680 L c) L d) L 26. Convert 0.67 L to ml. a) ml b) ml c) 67 ml d) 670 ml

8 27. Convert 5 g to mg. a) mg b) mg c) mg d) mg 28. Convert 6.8 m 2 to cm 2. a) cm 2 b) cm 2 c) cm 2 d) 680 cm The following WHMIS symbol represents a material that is a) corrosive b) oxidizing c) poisonous d) toxic e) compressed gas f) combustable 30. The following WHMIS symbol represents a material that is

9 a) toxic b) reactive c) poisonous d) corrosive e) oxidizing f) combustible g) compressed gas 31. The following WHMIS symbol represents a material that is a) combustible b) reactive c) compressed gas d) oxidizing e) toxic f) poisonous g) corrosive 32. The following WHMIS symbol represents a material that is

10 a) reactive b) poisonous c) compressed gas d) corrosive e) toxic f) combustible g) oxidizing 33. The following WHMIS symbol represents a material that is a) combustible b) oxidizing c) poisonous d) corrosive e) reactive f) compressed gas g) toxic Read this Booklet before beginning this section of the assignment

11 Chemistry 11 First Assignment Quiz #2 Please read the following before completing the Lesson 2 Quiz: Lesson 2 Reading Booklet Lesson 2 Practice Questions Answer Key Lesson 2 Quiz: 1. Anything that has mass and occupies space is called a) pure substance b) mixture c) matter d) element 2. How is a physical change different from a chemical change? a) A chemical change results in new chemicals being formed and a physical change does not. b) A physical change results in new chemicals being formed and a chemical change does not. c) A physical change is reversible and a chemical change is not. d) A chemical change is reversible and a physical change is not. 3. The rusting of iron is an example of a a) physical change b) nuclear change c) chemical chan 4. The melting of iron is an example of a

12 a) nuclear change b) chemical change c) physical change 5. The evaporation of water is an example of a a) chemical change b) nuclear change c) physical change 6. The dissolving of Koolaid crystals in water is an example of a) physical change b) nuclear change c) chemical change 7. The yellowing of paper over time is an example of a a) nuclear change b) physical change c) chemical change 8. The ripening of a banana is an example of a a) physical change b) nuclear change c) chemical change 9. The tarnishing of a silver spoon is an example of a a) nuclear change b) physical change c) chemical change 10. Which of the following is not good evidence that a chemical change has taken place?

13 a) formation of a precipitate b) rapid release of a colourless gas c) rapid dissolving of a solid compound into a liquid d) formation of a new distinctive odour Use the above flowchart to answer the next six questions.

14 11. "Solution" would be placed at position on the flowchart. a) B b) C c) D d) E 12. "Element" would be placed at position on the flowchart. a) B b) C c) D d) E 13. "Pure Substance" would be placed at position on the flowchart. a) B b) C c) D d) E 14. "Heterogeneous Mixture" would be placed at position on the flowchart. a) A b) B c) C d) D 15. A chocolate chip cookie would be fall under position on the flowchart. a) A b) B c) C d) D

15 16. A water molecule would be fall under position on the flowchart. a) B b) C c) D d) E 17. Matter that can easily be separated by physical means is a(n) a) compound b) mixture c) pure substance d) element 18. Which of the following is characteristic of a pure substance? a) they are mixtures b) they are solutions c) they have a constant boiling point d) they are composed of one element 19. A clear, homogeneous liquid is heated until bubbling starts. As it is being heated, a white residue collects around the outside of the evaporating dish. The original liquid can best be classified as a(n) a) compound b) element c) heterogeneous mixture d) solution

16 20. Matter that cannot be separated by physical means is a(n) a) compound b) mixture c) solution d) alloy 21. Matter that cannot be broken down into a more simple form is a(n) a) element b) compound c) solution d) pure substance 22. Which of the following is not an example of a pure substance? a) air b) sugar c) water d) copper 23. Which of the following is not a mixture? a) salt b) stainless steel c) tap water d) milk 24. A pure substance that can be decomposed by a chemical change is called a(n) a) element b) compound c) heterogeneous mixture d) solution

17 25. Solids can best be described as having a(n) a) indefinite shape and indefinite volume b) definite shape and a definite volume c) indefinite shape and a definite volume d) definite shape and an indefinite volume 26. Liquids can best be described as having a(n) a) indefinite shape and indefinite volume b) indefinite shape and a definite volume c) definite shape and a definite volume d) definite shape and an indefinite volume 27. Gases can best be described as having a(n) a) definite shape and a definite volume b) indefinite shape and a definite volume c) indefinite shape and indefinite volume d) definite shape and an indefinite volume 28. The least compressible phase of matter is a) the gaseous phase b) the liquid phase c) the solid phase d) the plasma phase 29. The process by which solid carbon dioxide (dry ice) is converted directly into a gas is called a) condensation b) sublimation c) solidification d) vaporization

18 Use the temperature-time graph shown above to answer the next 3 questions. 30. In which section of the heating curve is both solid and liquid present? a) A b) B c) C d) D e) E 31. In which section of the heating curve is the kinetic energy of liquid increasing? a) A b) B c) C d) D e) E

19 32. Which section of the heating curve represents boiling? a) A b) B c) C d) D e) E 33. Which pair of phase changes BOTH absorb heat? a) condensation and freezing b) evaporation and freezing c) condensation and melting d) evaporation and melting 34. The melting point of gallium is 29.8 o C and its boiling point is 2403 o C. On a hot summer day (31 o C) a sample of Gallium would be a) gaseous b) liquid c) solid d) aqueous 35. Which of the following phase changes releases heat? a) sublimation and evaporation b) evaporation, condensation and freezing c) condensation and freezing d) condensation, sublimation and melting Congratulations! You are officially enrolled in Chemistry 11! When you have completed this assignment, return it as an attachment to an to: registrar@sd71.bc.ca or attach it to your registration form