Question

The change in enthalpy for the reaction A + P is x kJ/mol. What does the enthalpy
change for the reaction P → A?
(A) - x kJ/mol
(B) + x kJ/mol
(C) 0 kJ/mol
(D) - 2x kJ/mol
Answer
А
B
С
Submit​

Answer 1

Answer:

Explanation:

In case of exothermic reaction,

E  

a(back)

​  

=E  

a(forward)

​  

+△H

=y−x.