Question

For the reversible isothermal expansion of one mole of an ideal gas at $300$K, from a volume of $10d{m}^3$ to $20d{m}^3,△H$ is:

• A. $1.73$ KJ
• B. -$1.73$ KJ
• C. $3.46$ KJ
• D. zero

Answer 1

Answer: (D)

zero

Solution:- (D) $0$

Given that the process is isothermal, i.e., the temperature remains constant and the gas is ideal.

Therefore,

$\Delta H=0$