To raise the temperature of a certain mass of gas by
at a constant pressure, 160 calories of heat is required. When the same mass of gas is cooled by
at constant volume, 240 calories of heat is released. How many degrees of freedom does each molecule of this gas have (assume gas to be ideal)?
To raise the temperature of a certain mass of gas by at a constant pressure, 160 calories of heat is required. When the same mass of gas is cooled by at constant volume, 240 calories of heat is released. How many degrees of freedom does each molecule of this gas have (assume gas to be ideal)?
Option 1 -
7
Option 2 -
5
Option 3 -
3
Option 4 -
6
-
1 Answer
-
Correct Option - 4
Detailed Solution:
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From A to B the process is isobaric

= W = 2 × R (600 - 350)
= 500 R
Heat is path dependent so path function but internal energy does not depend on path chosen.
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