Mrs. Lawrence's Thermochemistry Quiz

5 Questions | Total Attempts: 620

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Mrs. Lawrence

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

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