At constant T and P, which one of the following statements is correct for the reaction, $\mathrm{CO}\left(g\right)+\frac{1}{2}{\mathrm{O}}_{2}\left(g\right)\to {\mathrm{CO}}_{2}\left(g\right)$ [AIIMS 1982, 83; KCET 1988; BHU 1995; MP PET 1997, 99]

(1) ΔH is independent of the physical state of the reactants of that compound

(2) ΔH > ΔE

(3) ΔH < ΔE

(4) ΔH = ΔE

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#3 | Internal Energy & 1st Law of Thermodynamics

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