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Author Question: To totally convert a given amount of mechanical energy into heat is A) possible. B) impossible. ... (Read 88 times)

c0205847

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on: Jul 29, 2018
To totally convert a given amount of mechanical energy into heat is
 
  A) possible.
  B) impossible.
  C) need more information
  D) none of the above

Question 2

When a parcel of air expands against the environment and no heat enters or leaves, its temperature
 
  A) increases.
  B) decreases.
  C) remains unchanged.


djofnc

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


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c0205847

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


djofnc

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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