Heat Capacity...

Heat Capacity at Constant Volume

Trending Questions

Q. For a gas

(R / C_{v}) = 0.67

the gas is made up of molecules which are
(

R

= gas constant and

C_{v}

= heat capacity at constant volume)

In adiabatic irreversible expansion of an ideal gas against a constant external pressure $P_{2},$ the P - V work is given by ?

Q. At constant volume, the specific heat of a gas is 0.075

c a l K^{- 1} g^{- 1}

and its molecular weight is 40

g m o l^{- 1}

. The atomicity of the gas is:
Given: R = 2 cal

K^{- 1} m o l^{- 1}

Q. For a gas

(R / C_{v}) = 0.67

the gas is made up of molecules which are
(

R

= gas constant and

C_{v}

= heat capacity at constant volume)

Q. If

C_{v} = 4.96 c a l / m o l . K

then increase in internal energy when temperature of 2 moles of this gas is increased from

340 K

342 K

Q. At constant volume, the specific heat of a gas is 0.075

c a l K^{- 1} g^{- 1}

and its molecular weight is 40

g m o l^{- 1}

. The atomicity of the gas is:
Given: R = 2 cal

K^{- 1} m o l^{- 1}

Q. If

C_{v} = 4.96 c a l / m o l . K

then increase in internal energy when temperature of 2 moles of this gas is increased from

340 K

342 K

Q. Determine the heat energy needed to increase the temperature of

10.0 mol

of mercury by

7.5 K

. The value of heat capacity for given amount of mercury is

27.8 k J K^{- 1}

Q. Two moles of an ideal gas is heated at constant pressure of one atmosphere from

27^{o} C t o 127^{o} C .

C_{v, m} = 20 + 10^{- 2} T J K^{- 1} m o l^{- 1},

then

q

and

△ U

for the process are respectively: