Published by:
CGP EDU Academic Team
Published on: August 14, 2026
An open vessel at 27° C is heated until 3/8th of the air in it has been expelled. Assuming that the volume remains constant, calculate the temperature at which the vessel was heated
Text Solution
Verified by ExpertsThe correct answer is:
D
207 0 C
If 
of the air is expelled out then remaining air = 
In the open vessel volume and pressure are both constant but moles are decreasing
= 480 - 273 = 207°C
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