Home
Class 12
PHYSICS
Molar heat capacity of a gas at constant...

Molar heat capacity of a gas at constant pressure .

Text Solution

Verified by Experts

Molar heat capacity of a gas at constant pressure is defined as the quantity of heat required to raise the temperature of one mole of the gas through one degree `( 1^(@)C or 1 K )`, when its pressure is kept constant .
Promotional Banner

Topper's Solved these Questions

  • DEFINITIONS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise WAVE THEORY OF LIGHT|5 Videos
  • DEFINITIONS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise INTERFERENCE AND DIFFRACTION|5 Videos
  • DEFINITIONS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise STATIONARY WAVES|3 Videos
  • DERIVATIONS-I

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Assignments|9 Videos

Similar Questions

Explore conceptually related problems

One mole of an ideal gas has an interal energy given by U=U_(0)+2PV , where P is the pressure and V the volume of the gas. U_(0) is a constant. This gas undergoes the quasi - static cyclic process ABCD as shown in the U-V diagram. The molar heat capacity of the gas at constant pressure is

Molar heat capacity of a gas at constant volume.

STATEMENT-1: The specific heat capacity of a gas at constant pressure is always greter than its specific heat capacity at constant volume. STATEMENT-2: Work is done by a gas when it expands.

At constant pressure 200g of water is heated from 10^(@)C to 20^(@)C .Thus,increase in entropy is (molar heat capacity of water at constant pressure is 75.3JK^(-1)mol^(-1) )

C_(p) and C_(v) denote the molar specific heat capacities of a gas at constant pressure and volume respectively. Then :

A soap bubble of radius r is inflated with an ideal gas. The atmospheric pressure is p_0 , the surface tension of the soap water solution is alpha . Find the difference between the molar heat capacity of the gas during its heating inside the bubble and the molar heat capacity of the gas under constant pressure, C - C_p .

An ideal gas expands from 100 cm^(3) to 200 cm^(3) at a constant pressure of 2.0 xx 10^(5) when 50 J of heat is supplied to it. Calculate (a) the change in internal energy of the gas , (b) the number of moles in the gas if the initial temperature is 300K , (C ) the molar heat capacity C_P at constant pressure and (d) the molar heat capacity C_v at constant volume