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Semiconductors and Superconductors

18 what happe...

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18 what happens when a mixture of water gas and hydrogen (2:1) at 200 atm and 350^° C is run over Catalyst?

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Q. The total pressure of a mixture of oxygen and hydrogen is 1.0 atm. The mixture is ignited and the water is removed. The remaining gas is pure hydrogen and exerts a pressure of 0.40 atm when measured at the same value of T and V as the original mixture. What was the composition of the original mixture in mole present?

Q. The total pressure or a mixture of oxygen and hydrogen is

1.0 a t m

. The mixture is ignited and the water is removed. The remaining gas is pure hydrogen and exerts a pressure of

0.40 a t m

when measured at the same values of

T

V

as the original mixture. What was the composition of the original mixture in mole per cent?

Q. A 40 mL of a mixture of

H_{2}

O_{2}

was placed in a gas burette at

18^{o} C

and 1 atm pressure. A spark was applied so that the formation of water was complete. The remaining pure gas had a volume of 10 mL at

18^{o} C

and 1 atm P. If the remaining gas was

H_{2}

, what was the initial mole % of

O_{2}

in the mixture?

Q. The value of

K_{c}

for the reaction,

C O (g) + H_{2} O (g) ⇌ C O_{2} (g) + H_{2} (g)

is 1. A mixture of 1 mole of water vapour and 3 moles of

C O

is allowed to come to equilibrium at a total pressure of 2

atm

. Calculate the partial pressure of hydrogen gas.

Q. Water gas is mixed with steam and the mixture is passed over heated

F e_{2} O_{3}

C r_{2} O_{3} .

The mixture when passed in water dissolves

C O_{2}

and dihydro gen left undissolved is collected. This method of preparation of hydrogen gas is known as:

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