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Gas in a container is at a pressure of 1.7 atm and a volume of 7.0 m 3 . (a) Wha

ID: 2256608 • Letter: G

Question

Gas in a container is at a pressure of 1.7 atm and a volume of 7.0 m3. (a) What is the work done on the gasif it expands at constant pressure to twice its initial volume?
J
(b) What is the work done on the gas if it is compressedat constant pressure to one-quarter its initial volume?
J Gas in a container is at a pressure of 1.7 atm and a volume of 7.0 m3. (a) What is the work done on the gasif it expands at constant pressure to twice its initial volume?
J
(b) What is the work done on the gas if it is compressedat constant pressure to one-quarter its initial volume?
J (a) What is the work done on the gasif it expands at constant pressure to twice its initial volume?
J
(b) What is the work done on the gas if it is compressedat constant pressure to one-quarter its initial volume?
J

Explanation / Answer

W=-P(V2-V1)

=-(1.7 * 101325 Pa)* (14-7)

=-1205767 J


W=-P(V2-V1)

=-(1.7 * 101325 Pa)* (1.75-7)

= 904325 J