For the combustion reaction at 298 K, H2(g)+1/2O2(g)→ H2O(l) Which o f the following altemative (s) is/are correct?

Question

For the combustion reaction at 298 K, H2(g)+1/2O2(g)→ H2O(l) Which o f the following altemative (s) is/are correct? (A) Δ H =Δ E (B) Δ H >Δ E (C) Δ H <Δ E (D) Δ H Δ E have no relation with each other

Tardigrade Admin · Accepted Answer

Δ n=-1/2-1=-3/2 Since, Δ n<0 ∴ Δ H is<Δ E

Q. For the combustion reaction at $298 K,$
$H_{2} (g) + 1/2 O_{2} (g) \to H_{2} O (l)$
Which o f the following altemative (s) is/are correct?

$Δ H = Δ E$

$Δ H > Δ E$

$Δ H < Δ E$

$Δ H$ & $Δ E$ have no relation with each other

$Δ n = - 1/2 - 1 = - 3/2$
Since, $Δ n < 0$
$∴ Δ H i s < Δ E$

Q. For the combustion reaction at 298K, H2​(g)+1/2O2​(g)→H2​O(l) Which o f the following altemative (s) is/are correct?

ΔH=ΔE

ΔH>ΔE

ΔH<ΔE

ΔH & ΔE have no relation with each other