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One mole of an ideal gas is allowed to expand freely and adiabatically into vacuum until its volume has doubled. The expression which is not true concerning statement is . [ PB. PMT 1998] a) ΔH=0 b) ΔS=0 c) ΔE=0 d) W=0?
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One mole of an ideal gas is allowed to expand freely and adiabatically...
In the question
the process is in vaccum therefor work done in vaccum is 0
and we know the process is adiabatic .
so ∆H(Q) is also 0.
from the second low of thermodynamics
∆U =∆H+w
so ∆U is also 0.
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One mole of an ideal gas is allowed to expand freely and adiabatically into vacuum until its volume has doubled. The expression which is not true concerning statement is . [ PB. PMT 1998] a) ΔH=0 b) ΔS=0 c) ΔE=0 d) W=0?
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