What would be percentage composition by volume of a mixture of CO and CH4 whose 10.5mL requires 9mL oxygen for complete combustion?

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(b) What is the percentage composition by volume of a mixture of carbon monoxide and methane, 15 ml of which required 10 ml of oxygen for complete combustion?

Q. A mixture of methane and carbon monoxide requires 1.7 times its volume of oxygen for complete combustion. What is the ratio of

C H_{4} : C O

by volume in the mixture? [All volume are measured at the same temperature and pressure]

Q. A mixture of ethane and neon having a volume of

20

ml, requires

49

ml of oxygen for complete combustion. The percentage of ethane in the mixture is:

Q. A natural gas may be assumed to be a mixture of methane and ethane only. On complete combustion of

10

litre of gas at STP, the heat evolved was

474.6 k J

. Assuming

Δ H_{c o m b} {C H}_{4} = - 894 k J {m o l}^{- 1}

and

Δ H_{c o m b} C_{2} H_{6} = - 1500 k J

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Calculate the percentage composition of the mixture by volume.

Q. What volume of air

in m^{3}

is needed for the combustion of

1 m^{3}

of a gas having the following composition in percentage volume:

2 %

C_{2} H_{2}

8 %

C O

35 %

C H_{4}

50 %

H_{2}

and

5 %

of non-combustible gas. The air contains

20.8 %

(by volume) of oxygen.

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