Senior One Quiz No.1

10 Questions | Attempts: 120
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Senior One Quiz No.1 - Quiz

This quiz is on - systems- specific heat


Questions and Answers
  • 1. 
      . The property of matter to increase in size on heating is called
    • A. 

      Thermal work

    • B. 

      Thermal energy

    • C. 

      Thermal expansion 

    • D. 

      Thermal contraction 

  • 2. 
    2. Shining surfaces are
    • A. 

       good absorbers of heat

    • B. 

      Good radiators of heat

    • C. 

      Poor absorbers and poor radiators of heat

  • 3. 
    3. A piece of metal is heated, then submerged in cool water. Which statement below describes what happens?
    • A. 

       a. The temperature of the metal will increase.

    • B. 

       b. The temperature of the water will increase.

    • C. 

       c. The temperature of the water will decrease.

    • D. 

       The temperature of the water will increase and the temperature of the metal will decrease

  • 4. 
     4. How does a calorie compare to a joule?
    • A. 

       a. A calorie is smaller than a joule.

    • B. 

       b. A calorie is larger than a joule.

    • C. 

       c. A calorie is equal to a joule.

  • 5. 
    5. If heat is released by a chemical system, an equal amount of heat will be ____.
    • A. 

       a. absorbed by the surroundings

    • B. 

       b. absorbed by the universe

    • C. 

       c. released by the surroundings

  • 6. 
    -When a thermometer is cooled, the red liquid inside the thermometer moves down. This is mainly because:
    • A. 

       a) Water molecules are warm

    • B. 

       b) Water molecules are in motion

    • C. 

      C) The glass of the thermometer gets cold

  • 7. 
     The quantity of heat required to change the temperature of 1 g of a water by 1 °C is defined as ____.
    • A. 

      Joule

    • B. 

      Calorie

    • C. 

      Specific heat

  • 8. 
      7-How can you describe the specific heat of olive oil if it takes approximately 420 J of heat to raise the temperature of 7 g of olive oil by 30°C?
    • A. 

       a. greater than the specific heat of water

    • B. 

       b. less than the specific heat of water

    • C. 

      C. equal to the specific heat of water

  • 9. 
     How many joules are in 148 calories? (1 cal = 4.18 J)
    • A. 

      619 

    • B. 

      6.61

    • C. 

      3

  • 10. 
      If 25 J are required to change the temperature of 5.0 g of substance A by 2.0°C, what is the specific heat of substance A?
    • A. 

       2.5 J/g°C

    • B. 

           250 J/g°C   

    • C. 

      1 j/g c

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