Kinetic Theory Of Gases Question 145

Question: In a closed vessel, pressure increases by 0.4% when temperature increases by. What is the initial temperature?

Options:

A) 250 K

B) $ 250{}^\circ C $

C) 25 K

D) $ 25{}^\circ C $

Show Answer

Answer:

Correct Answer: A

Solution:

[a] As $ \frac{p}{T}= $ constant $ \frac{\Delta p}{p}=\frac{\Delta T}{T} $ $ T=,p\frac{\Delta T}{\Delta p}=,\frac{\Delta T}{(\Delta p/p)} $ $ =\frac{1}{0.4/100},=,250K. $