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Le Chatelier's Principle for Del N Equals to 0

Ellingham dia...

Question

Ellingham diagram represents the change in:

G

with temperature

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H

with temperature

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G

with pressure

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G - T S

with temperature

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Solution

The correct option is A $G$ with temperature
Ellingham diagram represents the change in free energy $(Δ G)$ with temperature.

An Ellingham diagram is a graph showing the temperature dependence of the stability for compounds. This analysis is usually used to evaluate the ease of reduction of metal oxides and sulphides.

The diagrams are useful in predicting the conditions under which an ore will be reduced to its metal. The analysis is thermodynamic in nature and ignores reaction kinetics. Thus, processes that are predicted to be favourable by the Ellingham diagram can still be slow.

Option A is correct.

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Similar questions

A (g) + 2 B (g) ⇌ 2 C (g) Δ H = - h e a t

△ G^{0}

N_{2} (g) + 3 H_{2} (g) ⇌ 2 N H_{3} (g); △ G_{298}^{0} = - 33.32 k J

△ G^{0}

500^{\circ} C

△ H

△ S

△ H_{298}^{0} = △ H_{793}

△ S_{298}^{0} = △ S_{793}

△ H^{0} = - 92.38 k J

△ S^{0} = - 198.2 J / K

+ 60.83 k J

Δ_{s y s} G = Δ_{s y s} H - T Δ_{s y s} S

Δ_{s y s} G < 0 (s p o n t a n e o u s)

Δ_{s y s} G = 0 (e q u i l i b r i u m)

Δ_{s y s} G > 0 (n o n - s p o n t a n e o u s)

Δ G = 0

A B_{2} (g)

2 A B_{2} (g) ⇌ 2 A B (g) + B_{2} (g)

α

K_{P}

α

P

A B_{2} (g)

2 A B_{2} (g) ⇌ 2 A B (g) + B_{2} (g)

α

K_{p}

α

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