Question

Find the temperature at which the below reaction will be in equilibrium if the enthalpy and
entropy change for the reaction is 30 kJ mol-1 and 105 J K-1mol-1 respectively
Br + 1 - 2BCL
(a) 273 K
(b) 300 K
(c) 450K
(d) 285.7 K​

Answer 1

Answer:

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Answer 2

Answer:

Br

2

(l)+Cl

2

(g)⟶2BrCl(g)

△H=30KJ/mol=30×10

3

J/mol

△S=105J/K/mol

Since, △G=0, then only system is at equilibrium.

So, △G=△H−T△S

At equilibrium, △H=T△S

T

eq

=

△S

△H

=

105

30×10

3

=285.7K