Question

A 500cm3 vessel contains H2 gas at 400 torr pressure and another 1dmº vessel contains O2
gas at 600 torr pressure. If these gases are transferred to 2 dm3 empty vessel, calculate the
pressure of the mixture of gases.​

Answer 1

Answer:

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Class 11

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>>States of Matter

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>>A steel vessel of capacity 22.4 litre co

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A steel vessel of capacity 22.4 litre contains 2 g of hydrogen, 8g of oxygen and 22g of carbon dioxide at a temperature of 0

o

C. The total pressure of the gas is:

Hard

Solution

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Correct option is A)

2 g of hydrogen, 8g of oxygen and 22 g of carbon dioxide corresponds to

2

2

=1 mole of hydrogen,

32

8

=0.25 moles of oxygen and

44

22

=0.5 moles of carbon dioxide.

The total number of moles are =1+0.25+0.5=1.75 moles.

The temperature is 0+273=273K

The total pressure is P=

V

nRT

P=

22.4

1.75×0.0821×273

=1.75atm