Question

If the kinetic energy of one mole of an ideal gas is given as $E=\frac{3}{2}RT$ (where 7? is the universal gas constant and T is the absolute temperature of the gas), the molar specific heat at constant pressure will be given as

• A. $2.5\text{ }R$
• B. $1.5\text{ }R$
• C. $0.5\text{ }R$
• D. $0.1\text{ }R$

Answer 1

Answer: (A)

$2.5\text{ }R$

Answer 2

: For monoatomic gas, ${{C}_{p}}=\frac{5R}{2}=2.5R$