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Author Question: The internal energy of a substance can be increased by a. doing work on it b. letting it do work ... (Read 52 times)

JMatthes

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on: Jul 28, 2018
The internal energy of a substance can be increased by
 a. doing work on it
  b. letting it do work
  c. adding heat to it
  d. extracting heat from it
  e. none of the above

Question 2

The internal energy of air can be increased by
 a. compressing it c. lifting it
  b. allowing heat to flow into it d. allowing it to expand


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EAN94

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A, C

Answer to Question 2

A, B


JMatthes

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

upturnedfurball

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Reply 3 on: Yesterday
Excellent

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