8. Thermochemistry
Internal Energy
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ANSWERS OPTIONS
A
The ideal gas is inside a vessel containing the vacuum where the external pressure acting on the gas is equal to the pressure exerted by the gas, therefore no work is done.
B
The ideal gas is inside a vessel containing the vacuum where the external pressure acting on the gas is less than the pressure exerted by the gas, therefore no work is done.
C
The ideal gas is inside a vessel containing the vacuum where the external pressure acting on the gas is greater than the pressure exerted by the gas, therefore no work is done.
D
The ideal gas is inside a vessel containing the vacuum where there is no other external pressure acting on it, therefore no work is done.