Mechanical Engineering - Thermodynamics - Discussion

Discussion Forum : Thermodynamics - Section 3 (Q.No. 36)
36.
The ratio of molar specific heats for monoatomic gas is
1
1.4
1.67
1.87
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
12 comments Page 1 of 2.

Satya said:   1 decade ago
Ratio of Specifics heat of gases is calculated by using the following formula 1+2/x.

Where x = 1 for mono atomic gas.
x = 2 for Diatomic gas.
x = 3 for Tri atomic gas etc.

Mmj said:   1 decade ago
But here mono atomic gas then 1+2/1=3.

Vaishali said:   1 decade ago
Tell me anyone the correct formula for finding the ratio of molar specific heat of gases.

NAVIN said:   1 decade ago
Molar specific heat at constant pressure = 5/2*R.

Molar specific heat at constant volume is = 3/2*R

So Pm/Vm = 5/2*2/3 = 5/3 = 1.67

Rayudu said:   1 decade ago
1+2/x.

Where,

x = 3 for monotonic.
x = 5 for diatomic.
x = 6 for triatomic.

And x is degrees of freedom.

RISHI said:   9 years ago
1 + 2/f where f is the deg of freedom and for monoatomic gas DOF IS 3 hence 1 + 2/f = 1.67. So it is the answer.

S Bera said:   8 years ago
X=4 dof for monoatomic, x=5 dof for diastolic, x=6 dof for triatomic.

Krupa said:   7 years ago
How to find DoF?

Krupa said:   7 years ago
How to find DOF for gas?

Srinu@v said:   7 years ago
The kinetic energy of one molecule in a particular direction.


Post your comments here:

Your comments will be displayed after verification.