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Topic 1 – Matter and Energy

17. Heat calculations: Recalling concept facts and definitions

1. The specific heat capacity of a substance can be measured as the substance changes
1) Phase 2) Temperature 3) Chemical composition 4) Nucleus composition

2. Heat of vaporization of a substance can be measure during
1) Melting 2) Freezing 3) Fusion 4) Boiling

3. Heat of fusion of a substance can be measured during a
1) Phase change 2) chemical change 3) nucleus change 4) nuclear change

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4. The amount of heat needed to change the temperature of 1 gram of a substance 1 C is called
1) Heat of fusion 3) Heat of vaporization
2) Entropy 4) Specific heat

5. The amount of heat needed to change a one gram sample of a substance from solid to liquid is called
1) Heat of vaporization 3) Specific heat capacity
2) Heat of reaction 4) Heat of fusion

6. The amount of heat needed to change a unit mass of a liquid to a gas at a constant temperature is
called
1) Heat of combustion 3) Heat of vaporization
2) Entropy 4) Specific heat capacity
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7. The specific heat capacity of water is 4.18 J/ C.g . Adding 4.18 Joules of heat to a 1 gram sample of
water will cause the water to
1) Change from solid to liquid 3) Change its temperature 1 degree Celsius Need Help? Study Book Pg 15- 17 Set 23 – 26
Its melting//+ 4) Change its temperature 4.18 degree Celsius
2) Change from liquid to solid
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8. The heat of fusion of ice is 334 Joules per gram. Adding 334 Joules to one gram of heat to ice at STP

will cause the ice to
1) Increase in temperature 3) Change to water at a higher temperature
2) Decrease in Temperature 4) Change to water at the same temperature

9. As water evaporates into steam, its temperature
1) Increases as heat is absorbed 3) Remains the same as heat is released
2) Decreases as heat is absorbed 4) Remains the same as heat is absorbed

10. The heat of vaporization of water is 2260 J/g. Adding 2260 Joules of heat to a one gram sample of
water at STP will cause the water to
1) Change to steam at a constant temperature
2) Change to steam at higher temperature
3) Change to ice at a constant temperature
4) Change to ice at a higher temperature




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