- f U - of formation of CH 4 g at certain temperature is- 393 kJ mol -1- The value of - f H - isa zero b - f U -d equal to - f U -

(b) The reaction is CH_4(g)+2O_2(g)→ CO_2(g)+2H_2O(l) Δ n_g = (n_p n_r)_g =1 3= 2 Δ_f H^ e= Δ_f U^⊖ + Δ n_g RT As Δ n_g = 2 ∴ Δ_f H^⊖ lt; Δ_f U^⊖ ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Heat of Formation

Δ f U ⊖ of fo...

Question

$Δ_{f} U^{⊖}$ of formation of $C H_{4} (g)$ at certain temperature is-393 kJ $m o l^{- 1}$ . The value of $Δ_{f} H^{⊖}$ is
(a) zero
(b) $< Δ_{f} U^{⊖}$
(c) $> Δ_{f} U^{⊖}$
(d) equal to $Δ_{f} U^{⊖}$

Open in App

Solution

Suggest Corrections

Similar questions

(Δ_{f} U)

C H_{4} (g)

27^{\circ}

- 393 {kJ mol}^{- 1}

C H_{4} (g)

Δ U

C H_{4} (g)

C H_{4} (g) + 2 O_{2} (g) \to C O_{2} (g) + 2 H_{2} O (l)

- 393 k J m o l^{- 1}

Δ H

Δ U^{0}

C H_{4_{(} g)}

m o l^{- 1}

Δ H^{0}

C H_{4} (g)

Δ U

C H_{4} (g)

C H_{4} (g) + 2 O_{2} (g) \to C O_{2} (g) + 2 H_{2} O (l)

- 393 k J m o l^{- 1}

Δ H

Join BYJU'S Learning Program