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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 email to: [email protected] or attach it to your registration form

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Chemistry 11 First Assignment Quiz #1

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 23.45 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 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 49.21 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) 14.18 ii) 14.20 iii) 14.20 iv) 14.19 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) 14.18 ii) 14.20 iii) 14.20 iv) 14.19 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) 14.18 ii) 14.40 iii) 14.20 iv) 14.39 a) precise but not accurate b) neither accurate nor precise c) accurate and precise d) accurate but not precise 8. The sum of the numbers 66.478 + 3.59 + 4.210, to the correct number of significant digits, is: a) 74.27 b) 74.2780 c) 74.278 d) 74.3 e) 74.28

9. When the numbers 5.56 x 102 and 3.81 x 103 are added the result is: a) 4.36 x 103 b) 4.366 x 103 c) 4.366 x 102 d) 4.37 x 103

10. When 0.00651, 0.026 and 0.8342 are added the result is: a) 0.867 b) 0.8667 c) 0.866 d) 0.86671

11. When the numbers 552. and 38.14 are added the result is: a) 591 b) 590 c) 5.90 x 102 d) 589

12. When 1.052 is subtracted from 21.0 the difference is: a) 19.94 b) 19.9 c) 19.948 d) 20.0 13. When 5.1 x 10-3 is subtracted from 1.0051 the difference is: a) 1.0000 b) 1.000 c) 1.00 d) 1.0 e) 1

14. When the numbers 21.1 and 210. are added the result is: a) 231 b) 231.1 c) 230 d) 231.0

15. When 0.652, 26.30 and 0.8342 are added the result is: a) 27.8 b) 27.79 c) 27.786 d) 27.7862

16. 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

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) 648.2 mL c) 650 mL d) 6.5 x 102

18. Two different balances are used in determining the masses of two different objects as 624.1 g and 4.24 g. The total of these two masses should be recorded as:

a) 630 g b) 628.3 g c) 628 g d) 628.34 g

19. The metric prefix for 1/1000 is: a) centi b) milli c) micro d) kilo

20. Convert 0.0068 kg to g. a) 0.68 g b) 6.8 g c) 68 g d) 0.068 g

21. Convert 682 g to kg. a) 6.82 kg b) 682 000 kg c) 0.682 kg d) 0.0682 kg

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) 0.000 5 g c) 500 g d) 0.5 g

24. Convert 500. mg to g. a) 0.500 g b) 500 000 g c) 5 000 g d) 0.000 500 g

25. Convert 6.8 mL to L. a) 68 L b) 680 L c) 0.068 L d) 0.0068 L

26. Convert 0.67 L to mL. a) 0.067 mL b) 0.0067 mL c) 67 mL d) 670 mL

27. Convert 5 g to mg. a) 0.500 mg b) 500 000 mg c) 0.000 500 mg d) 5 000 mg

28. Convert 6.8 m2 to cm2. a) 68 000 cm2 b) 0.00068 cm2 c) 0.068 cm2 d) 680 cm2

29. The following WHMIS symbol represents a material that is

a) corrosive b) oxidizing c) poisonous d) toxic e) compressed gas f) combustable

a) toxic b) reactive c) poisonous d) corrosive e) oxidizing f) combustible g) compressed gas

a) combustible b) reactive c) compressed gas d) oxidizing e) toxic f) poisonous g) corrosive

a) reactive b) poisonous c) compressed gas d) corrosive e) toxic f) combustible g) oxidizing

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

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 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? 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. 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 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 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 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 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

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 oC and its boiling point is 2403 oC. On a hot summer day (31oC) 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 email to: [email protected] or attach it to your registration form