Heat Definition In Physics Quiz

10 Questions | Total Attempts: 444

SettingsSettingsSettings
Please wait...
Heat Definition In Physics Quiz

.


Questions and Answers
  • 1. 
    How much heat is given off when 27.0 g of steam condense to boiling water at 100°C? 
    • A. 

      61,020 J

    • B. 

      9018 J

    • C. 

      113 J

    • D. 

      2,999 J

  • 2. 
     How much heat is needed to warm 250.0 g of copper from 22° C to 98° C? 
    • A. 

      7315 J

    • B. 

      2117 J

    • C. 

      9433 J

    • D. 

      79,420 J

  • 3. 
    Which of the following is true when a substance is melting?
    • A. 

      The temperature remains constant.

    • B. 

      Both a solid and a gas can be present.

    • C. 

      Heat is not required for the process since the temperature is constant.

    • D. 

      The heat added is causing the particles to change from a high energy state to a low energy state.

  • 4. 
    Is this equation an example of an exothermic or endothermic reaction: NaOH (s)  + H2O (l)  -->  NaOH (aq)  + 21 J
    • A. 

      Exothermic

    • B. 

      Endothermic

    • C. 

      Answer option 3

    • D. 

      Answer option 4

  • 5. 
    If 900 J of heat are added to 100.0 g of water at 25.0 °C.  What is the final temperature of the water? 
    • A. 

      27.15 C

    • B. 

      25.0 C

    • C. 

      2.15 C

    • D. 

      3.00 C

  • 6. 
    What causes the process of perspiration to be cooling for  human skin? 
    • A. 

      It involves evaporation and is endothermic.

    • B. 

      It involves evaporation and is exothermic.

    • C. 

      It involves condensation and is endothermic.

    • D. 

      It involves condensation.

  • 7. 
    An 8.80 g sample of metal is heated to 92.0 °C and then  added to 14.77 g of water at 20.0 °C in an insulated  calorimeter. At thermal equilibrium the temperature of the  system was measured as 25.0 °C. What is the identity of the  metal?   
    • A. 

      Titanium

    • B. 

      Lead

    • C. 

      Copper

    • D. 

      Tin

  • 8. 
    Which best explains the relationship between heat energy and temperature?   
    • A. 

      As heat energy decreases and temperature remains constant, condensation occurs.

    • B. 

      As heat energy increases and temperature increases, freezing occurs.

    • C. 

      As heat energy decreases and temperature remains constant, evaporation occurs.

    • D. 

      As heat energy increases and temperature decreases, melting occurs.

  • 9. 
    Why does it require 5,511 J of heat energy to melt 16.5 g of ice?   
    • A. 

      334 J/g of heat energy is absorbed by the ice as it is converted from a solid to a liquid.

    • B. 

      2,260 J/g of heat energy is absorbed by the ice as it is converted from a solid to a liquid.

    • C. 

      4.18 J/g°C of heat energy is required as ice is converted from a solid to a liquid.

    • D. 

      2.05 J/g°C of heat energy is required as ice is converted from a solid to a liquid.

  • 10. 
    The graph below below shows a substance heating from 40 C to 140 C.  If 70 kJ of heat are removed from the substance when it is at 140°C, what will be the state and temperature of the substance?   
    • A. 

      Liquid at 60 C.

    • B. 

      Liquid at 10 C.

    • C. 

      Gas at 100 C.

    • D. 

      Gas at 120 C.

Back to Top Back to top