Vidyalelo
Chemical Engineering · Q63

Chemical Engineering Thermodynamics

Engineering and GATE · Chemical Engineering · question 63

Q63

If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them. This is __________ law.

A.
Hess's
Answer
B.
Kirchoff's
C.
Lavoisier and Laplace
D.
None of these

Answer: Option A

Solution

Answer: Option A
Solution:
Hess law : if different process are used to bring the same chemical reaction than the enthalpy change is same for all of them.
(Note : enthalpy is a point function doesn’t depends on the path between.)