8.b) Gas in container is at a pressure of 1.6*105 pa and a volume of 4.0m3.
i)what is the work done by the gas if it expands at a constant pressure to twice its initial volume?
ii)use the first law of thermodynamics to show that the internal energy of the system described above increases or decreases
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Explanation:
W= P(v2-v1)
w= 160000×(8-4)
w= 160000×4
w=640000J
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