Question

One mole of Helium gas undergoes a reversible cyclic process ABCDA as shown in the figure. Assuming the gas to the ideal, answer the following questions:

What is the value of $\Delta H$ for the overall cyclic process?

• A. $-100\text{R ln 2}$
• B. $+100\text{R ln 2}$
• C. $+200\text{R ln 2}$
• D. Zero

Answer 1

The correct option is D Zero

For a cyclic process, $△H=zero.$
(as it is a state function)