Please, I need help with this. Thank you A gas with a volume of 4.0 L is in a cl

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Please, I need help with this. Thank you

A gas with a volume of 4.0 L is in a closed container. Indicate what changes (increases, decreases, does not change) in pressure must have occurred if the volume undergoes the following changes at constant temperature and amount of gas:

Part A

The volume is allowed to expand to 12 L .

Express your answer in terms of the original pressure Po.

P2=

Part B

The volume is compressed to 0.40 L .

Express your answer in terms of the original pressure Po.

Please, I need help with this. Thank you

A gas with a volume of 4.0 L is in a closed container. Indicate what changes (increases, decreases, does not change) in pressure must have occurred if the volume undergoes the following changes at constant temperature and amount of gas:

Part A

The volume is allowed to expand to 12 L .

Express your answer in terms of the original pressure Po.

P2=

Part B

The volume is compressed to 0.40 L .

Express your answer in terms of the original pressure Po.

Explanation / Answer

1.At constant temperature for a given mass of gas

P1V1= P2V2

given P=P0, V1=4L, V2=12L, P2= P1V1/V2= P0*4/12= P0/3

2. V2=0.4L, P2=Po*4L/0.4=10P0

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