Question

Calculate AG° at 25°C for the reaction

2NO2(g) →N2O4(g)​

Answer 1

Answer:

N

2

+ O

2

⇌2NO,K

1

-----(1)

(

2

1

)N

2

+(

2

1

)O

2

⇌NO,K

2

-------------(2)

2NO⇌N

2

+O

2

;K

3

---------------(3)

NO⇌(

2

1

)N

2

+(

2

1

)O

2

;K

4

-----------------(4)

Reaction 3 is obtained by reversing the 1st reaction.

Hence, K

1

×K

3

=1

Reaction 1 is obtained by dividing reaction 1 by 2 and reversing it.

Hence,

K

1

×K

3

=1

Reaction 3 is obtained by dividing reaction 2 by two and then reversing it.

Hence,

K

3

×K

2

=1

Explanation:

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