[Answered] The internal energy of a substance can be increased by a. doing work on it b. letting it do work ...

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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 13 times)

JMatthes

Hero Member
Posts: 578

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

Sr. Member
Posts: 307

Reply #1 on: Jul 28, 2018

Answer to Question 1

A, C

Answer to Question 2

A, B

JMatthes

Member
Posts: 578

Reply 2 on: Jul 28, 2018

Thanks for the timely response, appreciate it

Hdosisshsbshs

Member
Posts: 315

Reply 3 on: Yesterday

Gracias!

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