Q.

The value of ΔH−ΔE for the following reaction at 27° C  will be 2NH3(g)→N2(g)+3H2(g)

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a

8.314×273×(−2)

b

8.314×300×(−2)

c

8.314×27×(−2)

d

8.314×300×(2)

answer is D.

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Detailed Solution

ΔH−ΔE=ΔnRT=2RT since2NH3→N2+3H2 Δn=2.
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