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Tardigrade
Question
Physics
When a gas expands adiabatically,
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Q. When a gas expands adiabatically,
Thermodynamics
A
no energy is required for expansion
B
energy is required and it comes from the wall of the container of the gas
C
internal energy of the gas is used in doing work
D
law of conservation of energy does not hold
Solution:
$\Delta Q=0=\Delta U+\Delta W$
$\Delta W=-\Delta \,U$