The state of matter in which molecules are widely spaced is a:

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1. Solid2. Liquid 3. Gas4. Elemental5. Molecular

3.1 The state of matter in which molecules are widely spaced is a:

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1. Solid2. Liquid 3. Gas4. Elemental5. Molecular

3.1 The state of matter in which molecules are widely spaced is a:

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1. Solid2. Liquid3. Gas 4. All of the above 5. Two of the above

3.2 A state of matter that has a definite volume and is relatively incompressible is a:

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1. Solid2. Liquid3. Gas 4. All of the above 5. Two of the above

3.2 A state of matter that has a definite volume and is relatively incompressible is a:

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1. Diamond2. salt3. Gold 4. Water5. Soot

3.3 Which of the following is an example of an amorphous solid?

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1. Diamond2. Salt3. Gold 4. Water5. Soot

3.3 Which of the following is an example of an amorphous solid?

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1. Lead at 25 oC2. Cold water at 21 oC3. Hot water at 95 oC4. A cool gas at 25 oC5. A hot gas at 85 oC

3.4 Which of the following type has the highest average kinetic energy?

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1. Lead at 25 oC2. Cold water at 21 oC3. Hot water at 95 oC4. A cool gas at 25 oC5. A hot gas at 85 oC

3.4 Which of the following type has the highest average kinetic energy?

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1. Sodium2. Milk3. Blood4. Saline solution5. Stainless steel

3.5 Which of the following is a pure substance?

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1. Sodium2. Milk3. Blood4. Saline solution5. Stainless steel

3.5 Which of the following is a pure substance?

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1. Sugar 2. Salt 3. Brass 4. Chlorine5. Air

3.6 Which of the following is an element?

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1. Sugar 2. Salt 3. Brass 4. Chlorine5. Air

3.6 Which of the following is an element?

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1. Seawater2. Iron ore3. Air4. Milk5. All of the above

3.7 Which of the following is a mixture?

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1. Seawater2. Iron ore3. Air4. Milk5. All of the above

3.7 Which of the following is a mixture?

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1. Physical change2. Chemical change3. Quantitative property4. Physical property5. Chemical property

3.8 Boiling point is an example of a:

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1. Physical change2. Chemical change3. Quantitative property4. Physical property5. Chemical property

3.8 Boiling point is an example of a:

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1. Pure substance—compound 2. Pure substance—element3. Mixture—homogeneous4. Mixture—heterogeneous5. Pure substance—homogenous

3.9 How would you classify wine?

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1. Pure substance—compound 2. Pure substance—element3. Mixture—homogeneous4. Mixture—heterogeneous5. Pure substance—homogenous

3.9 How would you classify wine?

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1. The density of a liquid2. The ability of iron to rust3. Flammability of gasoline4. Reactivity of acids with metals 5. All of these are chemical properties.

3.10 Which of the following is NOT a chemical property?

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1. The density of a liquid2. The ability of iron to rust3. Flammability of gasoline4. Reactivity of acids with metals 5. All of these are chemical properties.

3.10 Which of the following is NOT a chemical property?

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1. Burning wood 2. Barbequing a steak 3. Splitting water into hydrogen and

oxygen gases4. Breaking a piece of glass5. Baking a cake

3.11 Which of the following is a physical change?

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1. Burning wood 2. Barbequing a steak 3. Splitting water into hydrogen and

oxygen gases4. Breaking a piece of glass5. Baking a cake

3.11 Which of the following is a physical change?

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1. The freezing of water is a physical change. 2. The conversion of compounds into elements

is a physical change. 3. The combination of sodium metal and

chlorine gas to form sodium chloride is a chemical change.

4. Photosynthesis is an example of a chemical change.

5. Distilling alcohol from water is a physical change.

3.12 Which of the following statements is FALSE?

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1. The freezing of water is a physical change. 2. The conversion of compounds into elements

is a physical change. 3. The combination of sodium metal and

chlorine gas to form sodium chloride is a chemical change.

4. Photosynthesis is an example of a chemical change.

5. Distilling alcohol from water is a physical change.

3.12 Which of the following statements is FALSE?

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1. Element2. Compound 3. Homogenous mixture4. Heterogeneous mixture5. Pure substance

3.13 A solution is a(n):

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1. Element2. Compound 3. Homogenous mixture4. Heterogeneous mixture5. Pure substance

3.13 A solution is a(n):

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1. 115 g 2. 100. g3. 85 g 4. 15.0 g5. 1.0 g

3.14 If you burn 100. g of wood and produce 15.0 g of ash, what is the mass of the other products produced?

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1. 115 g 2. 100. g3. 85 g 4. 15.0 g5. 1.0 g

3.14 If you burn 100. g of wood and produce 15.0 g of ash, what is the mass of the other products produced?

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1. A ball falling through the air2. A dart thrown at a dart board3. A ball rolling down a slide4. An arrow flying through the air5. All of the above

3.15 Which of the following is an example of something with potential energy?

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1. A ball falling through the air2. A dart thrown at a dart board3. A ball rolling down a slide4. An arrow flying through the air5. All of the above

3.15 Which of the following is an example of something with potential energy?

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1. 2.34 kJ2. 5.60 kJ3. 2.34 x 103 kJ4. 2.34 x 106 kJ5. 5.60 x 103 kJ

3.16 How many kJ of energy are in a fast food hamburger containing 560 Calories? (Note: 1 Cal = 4.184 J.)

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1. 2.34 kJ2. 5.60 kJ3. 2.34 x 103 kJ4. 2.34 x 106 kJ5. 5.60 x 103 kJ

3.16 How many kJ of energy are in a fast food hamburger containing 560 Calories? (Note: 1 Cal = 4.184 J.)

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1. 8.17 x 103 Cal2. 8.17 x 104 Cal3. 8.17 x 107 Cal4. 1.43 x 107 Cal5. 1.43 x 109 Cal

3.17 Convert 95.0 kWh to Calories. (Note: 1 Cal = 4.184 J and 1 kWh = 3.60 x 106 J.)

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1. 8.17 x 103 Cal2. 8.17 x 104 Cal3. 8.17 x 107 Cal4. 1.43 x 107 Cal5. 1.43 x 109 Cal

3.17 Convert 95.0 kWh to Calories. (Note: 1 Cal = 4.184 J and 1 kWh = 3.60 x 106 J.)

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1. 42 oF2. 107 oF3. 107.6 oF4. 108 oF5. 315 oF

3.18 Convert 42 °C to °F and express the answer to the correct number of significant figures.

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1. 42 oF2. 107 oF3. 107.6 oF4. 108 oF5. 315 oF

3.18 Convert 42 °C to °F and express the answer to the correct number of significant figures.

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1. 369 K2. 370 K3. 397 K4. -176 K5. No answer listed

is correct.

3.19 Convert 97 °C to K and express the answer to the correct number of significant figures. (Be careful now.)

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1. 369 K2. 370 K3. 397 K4. -176 K5. No answer listed

is correct.

3.19 Convert 97 °C to K and express the answer to the correct number of significant figures. (Be careful now.)

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1. -40 °F 2. 0 °F 3. 40 °F 4. 233 °F5. 943 °F

3.20 Convert 233 K to °F.

(What do you notice about the °F and oC?)

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1. -40 °F 2. 0 °F 3. 40 °F 4. 233 °F5. 943 °F

3.20 Convert 233 K to °F.

(What do you notice about the °F and oC?)

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1. 1001 K 2. 1001 °C 3. 1 K 4. -401 °C5. -401 °F

3.21 Which of the following temperatures is not possible?

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1. 1001 K 2. 1001 °C 3. 1 K 4. -401 °C5. -401 °F

3.21 Which of the following temperatures is not possible?

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1. 36.1 J2. -36.1 J3. 0.036 J4. -0.036 J5. 0.449 J

3.22 How many joules are required to raise the temperature of 1.074 g of iron from 25.1 °C to 100.0 °C? The specific heat of iron is 0.449 J/g • °C.

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1. 36.1 J2. -36.1 J3. 0.036 J4. -0.036 J5. 0.449 J

3.22 How many joules are required to raise the temperature of 1.074 g of iron from 25.1 °C to 100.0 °C? The specific heat of iron is 0.449 J/g • °C.

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1. 23.8 °C2. 83.0 °C3. 92.5 °C4. 68.7 °C5. 44.9 °C

3.23 A 0.250 kg bar of aluminum metal at 23.8 °C has 15.5 KJ of heat added. What is the final temperature of the aluminum bar? The specific heat of aluminum is 0.903 J/g • °C.

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1. 23.8 °C2. 83.0 °C3. 92.5 °C4. 68.7 °C5. 44.9 °C

3.23 A 0.250 kg bar of aluminum metal at 23.8 °C has 15.5 KJ of heat added. What is the final temperature of the aluminum bar? The specific heat of aluminum is 0.903 J/g • °C.

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1. 1.05 x 103 kg2. 4.37 x 103 kg3. 1.05 kg4. 4.37 kg5. 6.03 kg

3.24 What is the mass (in kg) of gold that experiences a temperature increase of 45.1 °C when 6.034 Cal of heat are added? The specific heat of gold is 0.128 J/g • °C and 1 Cal = 4.184 J.

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1. 1.05 x 103 kg2. 4.37 x 103 kg3. 1.05 kg4. 4.37 kg5. 6.03 kg

3.24 What is the mass (in kg) of gold that experiences a temperature increase of 45.1°C when 6.034 Cal of heat are added? The specific heat of gold is 0.128 J/g • °C and 1 Cal = 4.184 J.