Mrs. Lawrence's Thermochemistry Quiz
5 Questions
| Total Attempts: 659
This quiz covers the terms endothermic, exothermic, Law of Conservation of Energy, heat of fusion, and heat of vaporization. It also contains a specific heat problem and a temperature conversion for degrees Celsius to Kelvin.
Questions and Answers
- 1.If a reaction releases heat (energy), it is referred to as
- A.
Endothermic
- B.
Exothermic
- C.
Isothermic
- D.
A chemical change
- 2.The heat absorbed by 50g of water to change from 10C to 30C is equal to
- A.
50 calories
- B.
500 calories
- C.
1000 calories
- D.
1000 joules
- 3.The heat required to melt 1 gram of a solid at its melting point is called the
- A.
Specific heat capacity
- B.
Heat of vaporization
- C.
Law of Conservation of Energy
- D.
Heat of fusion
- 4.To convert degrees Celsius to degrees Kelvin, you
- A.
Multiply by 1.8 and add 32.
- B.
Subtract 32 and divide by 1.8.
- C.
Add 273.
- D.
Subtract 273.
- 5.Which of the following is NOT a unit for heat?
- A.
Celsius
- B.
Calories
- C.
Joules
- D.
Kilocalories
Questions: 16 | Attempts: 3222 | Last updated: Mar 22, 2022
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Sample QuestionWhat do we call the heat content of a system
Thermochemistry is the scientific study of the heat energy that is involved in or produced by chemical reactions and/or physical transformations. What can you tell us about how this topic is studied and what its uses are? Take...
Questions: 15 | Attempts: 872 | Last updated: Mar 21, 2022
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Sample QuestionThe SI unit of energy is
This quiz covers the terms endothermic, exothermic, Law of Conservation of Energy, heat of fusion, and heat of vaporization. It also contains a specific heat problem and a temperature conversion for degrees Celsius to Kelvin.
Questions: 5 | Attempts: 659 | Last updated: Mar 22, 2022
-
Sample QuestionIf a reaction releases heat (energy), it is referred to as
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