Q. 14.3( 14 Votes )

The first law of thermodynamics is a statement of
A. conservation of heat

B. conservation of work

C. conservation of momentum

D. conservation of energy

Answer :

According to First law of thermodynamics,


ΔQ=ΔU+ΔW


Where ΔQ=heat supplied to the system


ΔU=change in internal energy


ΔW=work done by the system


It is a general law of conservation of energy applicable to any systemin which the energy transfer from or to surroundings is considered.

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