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adt916 adt916
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6 years ago
The energy given off or taken in during a phase change is called ____:
 
 

a. latent heat c. electrolysis
  b. ionization d. reduction



Question 2

The ____ is the amount of heat that is required to change a liquid to a gas.
 
 

a. heat of combustion c. heat of evaporation
  b. heat of condensation d. heat of vaporization



Question 3

An electrochemical reaction occurs because ____.
 
 

a. an anion turns into a cation
  b. a cation turns into an anion
  c. oxidation/reduction reactions move electrons
  d. an electrolyte goes through combustion
 
 



Question 4

The following phase changes are either exothermic or endothermic. Which choice represents the correct combination?
 
 

a. ice to liquid - exothermic c. gas to liquid - exothermic
  b. liquid to gas - exothermic d. solid to liquid - exothermic



Question 5

Many of our energy resources utilize exothermic reactions, such as ____
 
 

a. the combustion of methane
  b. anabolic reactions
  c. photosynthesis
  d. the formation of starch from glucose

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BehueyBehuey
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6 years ago
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adt916 Author
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6 years ago
Smiling Face with Open Mouth that's the expression my face made when I got the notification email
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6 years ago
glad I put that smile on your face Happy Dummy
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