Question

For the reaction at 300 K,
C6H6 (1) + 7.502 (g) + 6CO2
=-3.271 x 103 kJ
Thus, AU° at 300 K is​

Answer 1

Explanation:

Answer

Correct option is

C

−4906.5 kJ

C

6

H

6

+

2

15

O

2

(g)

⟶6CO

2

(g)

+3H

2

O,ΔH=−3271kJ

For this reaction ΔU=ΔH at constant pressure & volume.

ΔU=ΔH

For 1.5 mole benzene

ΔU=1.5×ΔH

=1.5×−3271kJ

=−4906.5kJ.