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
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