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Author Question: A fixed amount of ideal gas is held in a rigid container that expands negligibly when heated. At 20C ... (Read 55 times)

crazycityslicker

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on: Jul 29, 2018
A fixed amount of ideal gas is held in a rigid container that expands negligibly when heated. At 20C the gas pressure is p. If we add enough heat to increase the temperature from 20C to 40C, the pressure will be
 
  A) impossible to determine since we do not know the number of moles of gas in the container.
  B) greater than 2p.
  C) less than 2p.
  D) equal to 2p.
  E) impossible to determine since we do not know the volume of gas in the container.

Question 2

If the temperature of an iron sphere is increased,
 
  A) its density will increase.
  B) its volume will decrease.
  C) its density will decrease.
  D) its mass will decrease.
  E) its density will remain unchanged.


mariahkathleeen

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

Answer: C

Answer to Question 2

Answer: C


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crazycityslicker

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


mariahkathleeen

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


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