MCQ
The total heat content of a system is:
- AEntropy
- BFree energy
- CEnthalpy
- DKinetic energy
Explanation:
Enthalpy (H) is the sum of the internal energy (U) and the product of pressure and volume (PV) given by the equation: H = U + PV.
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$(I) 0.5\ mole$ of $O_3$ $(II) 0.5\ gm$ atom of oxygen $(III) 3.011 \times 10^{23}$ molecules of $O_2$ $(IV) 5.6\ litre$ of $CO_2$ at $STP$
