Topic: Thermodynamics
Isothermal compressibility of an ideal gas in
- A. nR/VP
- B. nRT/VP²
- C. nR/VP²
- D. nRT/VP
Answer: B. nRT/VP²
Explanation: Isothermal compressibility is k_T = (-1/V)(∂V/∂P)_T. For an ideal gas, V = nRT/P. So, (∂V/∂P)_T = -nRT/P². Thus, k_T = (-1/V)(-nRT/P²) = nRT/(VP²).