Question

In an adiabatic process, the work done during expansion or compression of an ideal gas is equal to

Answer 1

In an adiabatic process , the work done during expansion or compression of an ideal gas is equal to internal energy .

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Adiabatic process :-

The thermodynamic process during which no heat enters or leaves a system is called an adiabatic process .

For every adiabatic process delta Q = 0 .

A truly adiabatic process is an ideal one which cannot be realized . However the flow of heat may be prevented either by surrounding the system with a thick layer of heat insulating material such as cork , asbestos , or by performing the process very quickly .

According to first law of thermodynamics :-

delta Q = deltaU + delta W

Q is heat

U is internal energy

W is work

As in adiabatic process delta Q is zero ,So

0= delta U + delta W

delta U = _delta W


It shows that in adiabatic process work is equal to internal energy

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