Recent questions tagged specific heat capacities of gases

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A cylinder with fixed capacity of 67.2 lit contains helium gas at STP. The amount of heat needed to raise the temperature

asked Apr 7, 2019 in Chemistry by kratos

+3 votes

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An ideal gas (γ= 1.67) is taken through the process abc shown in figure (27-E3). The temperature at the point a is 300 K.

asked Apr 6, 2019 in Class 12 by kratos

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One mole of a monatomic ideal gas is taken through a cycle ABCDA as shown in the P-V diagram.

asked Apr 3, 2019 in JEE by kratos

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In the previous question, films of thicknesses tA and tB and refractive indices μA and μB,

asked Mar 29, 2019 in JEE by kratos

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The specific heat at constant pressure and at constant volume for an ideal gas are Cp and Cv and adiabetic & isothermal elasticities

asked Mar 27, 2019 in JEE by kratos

+2 votes

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Steam at 100°C is passed into 1.1 kg of water contained in a calorimeter

asked Mar 27, 2019 in Class 12 by kratos

+3 votes

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A piston is fitted in a cylindrical tube of small cross-section with the other end of the tube open.

asked Mar 26, 2019 in JEE by kratos

+3 votes

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300 calories of heat is supplied to raise the temperature of 50 gm of air from 20°C to 30°C without any change in its volume.

asked Mar 25, 2019 in Chemistry by kratos

+1 vote

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At constant pressure, the addition of argon (a) reduces the formation of ammonia from nitrogen and hydrogen

asked Mar 24, 2019 in Class 12 by kratos

+3 votes

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An element has a specific heat of 0.113 cal/g °C. Calculate atomic weight of element.

asked Mar 8, 2019 in Chemistry by kratos

+3 votes

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He is kept in a rigid container of volume 67.2 ltr at STP. The heat supplied to the gas to increase its temperature by 20°C is :

asked Mar 7, 2019 in JEE by kratos

+2 votes

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An amount Q of heat is added to a monatomic ideal gas in a process in which the gas performs a work Q/2

asked Mar 5, 2019 in Class 12 by kratos

+2 votes

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A sample of an ideal gas (γ=1.5) is compressed adiabatically from a volume of 150 cm^3 to 50 cm^3.

asked Feb 22, 2019 in Class 12 by kratos

+2 votes

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Air (γ =1.4) is pumped at 2 atm pressure in a motor tyre at 20°C. If the tyre suddenly bursts,

asked Feb 9, 2019 in JEE by kratos

+2 votes

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100 grams of oxygen (O2) gas and 100 grams of helium (He) gas are taken in separate containers of equal volume at 100°C.

asked Feb 7, 2019 in JEE by kratos

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An ideal gas expands from 100 cm^3 to 200 cm^3 at a constant pressure of 2.0 x 10^5 Pa when 50 J of heat is supplied to it.

asked Feb 6, 2019 in Class 12 by kratos

+3 votes

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Steam at 100C is passed into 1.1 kg of water contained in a calorimeter of water equivalent 0.02 kg

asked Jan 29, 2019 in JEE by kratos

+1 vote

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An ideal gas is taken through a process in which the pressure and the volume are changed according to the

asked Jan 27, 2019 in Class 12 by kratos

+3 votes

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Enthalpy of sublimation of iodine is 24 cal g^–1 at 200 °C. If specific heat of I2(*) and l2 (vap)

asked Jan 24, 2019 in Chemistry by kratos

+1 vote

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A cylinder containing an ideal gas (0.1 mol of 1.0 dm^3) is in thermal equilibrium with a large volume of 0.5 molal

asked Jan 20, 2019 in JEE by kratos

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