Question

1 : $\Delta U$ is state function.

2: Heat and work are not state functions.

• A. $\text{only 1 is true}$
• B. $\text{only 2 is true}$
• C. $\text{both are true}$
• D. $\text{none of the above}$

Answer 1

Answer: (C)

$\text{both are true}$

$\Delta U$ and heat are state functions. Their values depends only on the state of the system and are independent of the path followed. Work is a path function. Its value depends on the path followed .