The following reaction is possible at 300 K- 2CuOs- Cu 2 Os- 1 - 2 O 2 gGiven- - H-144-6 kJ mol -1 and - S-0-116 kJ mol -1 K -1-The value of - G is -

#160; Δ G=Δ H TΔ S At 300 K , Δ G=144.6 300× 0.116 Δ G=144.6 34.8=109.8 kJ mol^ 1 Δ G gt;0 #160;Hence, the value of Δ G is ...

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Gibbs Free Energy & Spontaneity

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The following reaction is possible at 300 K.

$2 C u O (s) ⟶ {C u}_{2} O (s) + \frac{1}{2} O_{2} (g)$
Given, $Δ H = 144.6 k J {m o l}^{- 1}$ and $Δ S = 0.116 k J {m o l}^{- 1} K^{- 1}$ .

The value of $Δ G$ is _______.

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300 K

2 C u O (s) ⟶ C u_{2} O (s) + I / 2 O_{2} (g)

Δ H = - 144.6 k J m o l^{- 1}

Δ S = 0.116 k J m o l^{- 1}

300

A (g) + B (g) \to C (g)

Δ H = - 3.0 k c a l; Δ S = - 10.0 c a l / K

Δ G

Δ S

298 K

H_{2} (g) + \frac{1}{2} O_{2} (g) ⟶ H_{2} O (g)

Δ G = - 228.6 k J; Δ H = - 241.8 k J

Δ G = 0

Δ H = - 20.5 k J {m o l}^{- 1}

Δ S = - 50.0 J K^{- 1} {m o l}^{- 1}

X_{2} O_{4} (i) \to 2 X O_{2} (g)

Δ U = 2.1 k c a l, Δ s = 20 c a l K^{- 1}

Δ G

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