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Stoichiometry

Stoichiometry
__________ fuels require the maximum percentage of 'excess air' for complete combustion.

Nuclear
Gaseous
Solid
Liquid

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Stoichiometry
Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.

3
< 3
> 3
< 1

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Stoichiometry
The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is

Not a function of the nature of vapor
Not a function of the composition of gas mixture
Called percentage saturation
Termed as relative saturation

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Stoichiometry
Volume percent for gases is equal to the

Mole percent
Weight percent
Mole percent only for ideal gases
Weight percent only for ideal gases

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Stoichiometry
What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20)?

A₂B
AB₃
AB₂
A₂B₃

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Stoichiometry
In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is

Increases with rise in pressure
Unchanged with pressure changes
Independent of temperature
Increased with decrease in pressure

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