Chemistry Gaseous State ( Not In Syllabus ) Ideal Gas Equation and Related Gas laws Single Correct MCQ
Published on: August 14, 2026

A quantity of hydrogen is confined in a chamber of constant volume. When the chamber is immersed in a bath of melting ice, the pressure of the gas is 1000 torr.

A
What is the Celsius temperature when the pressure manometer indicates an absolute pressure of 400 torr?
B
What pressure will be indicated when the chamber in brought to 100ºC ?

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Text Solution

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The correct answer is:
CHECK THE SOLUTION.

t = – 163.8ºC, P = 1.37 × 10 3 torr

At ice point, the pressure is 1000 torr.

Using Gay-Lussac's law, = ⇒ t = – 163.8ºC

Similarly, = ⇒ P = 1.37 × 10 3 torr

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