SAT Subject Physics Practice Question 196: Answer and Explanation

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Question: 196

42. What happens to the pressure, P, of an ideal gas if the temperature is increased by a factor of 2 and the volume is increased by a factor of 8 ?

A. P decreases by a factor of 16.
B. P decreases by a factor of 4.
C. P decreases by a factor of 2.
D. P increases by a factor of 4.
E. P increases by a factor of 16.

Correct Answer: B

Explanation:

Use the ideal gas law.

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