MolSynapse
question bank
All chapters
NEET
JEE
Practice
MolSynapse
/
Question bank
/
Thermodynamics and Thermochemistry
/
Heat capacities and their relations
NEET level
Single correct option
Difficulty 1 of 3
td172
The ratio
γ
=
C
P
/
C
V
for a rigid diatomic ideal gas (translation and rotation only) is
A
1.67
B
1.33
C
1.40
D
1.50
Answer: C
For a rigid diatomic gas
C
V
=
5
R
/2
and
C
P
=
7
R
/2
, so
γ
=
7/5
=
1.40
.
Practice Thermodynamics and Thermochemistry
More on Heat capacities and their relations
Previous question
Next question
More questions on Heat capacities and their relations
One mole of a monatomic ideal gas is taken along the reversible path PV^2 = constant from 300 K to 360 K (R = 8.314 J mol^-1K^-1). For a pol...
JEE Advanced level
For one mole of an ideal gas, the difference C_P - C_V equals
NEET level
Taking R = 8.314 J mol^-1K^-1, the molar heat capacity at constant volume of a monatomic ideal gas is nearest to
NEET level
Taking R = 8.314 J mol^-1K^-1, the heat needed to raise the temperature of 1 mol of a monatomic ideal gas by 10 K at constant volume is near...
NEET level
A mixture contains 2 mol of helium and 3 mol of hydrogen (rigid diatomic). Treating both as ideal, the ratio C_P/C_V of the mixture is neare...
JEE Main level
A polyatomic ideal gas has gamma = C_P/C_V = 1.30. Taking R = 8.314 J mol^-1K^-1, find C_V in J mol^-1K^-1 (two decimals).
JEE Main level