MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryThermodynamics and ThermochemistryTypes of Processes

In ….. process, work is done at the expense of internal energy.

A.isothermal

B.isochoric

C.adiabatic✓ Correct

D.isobaric

Explanation

(a) H E pV H E p V V p At constant p, V p 0 then H E p V (c) We know that, U q W If heat is not supplied from the surroundings, q = 0 (adiabatic process) E W i.e., work is done at the expense of only internal energy in adiabatic process.

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