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Stoichiometry

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

Solid
Nuclear
Gaseous
Liquid

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Stoichiometry
Nā‚‚ content in a urea sample was found to be only 42%. What is the actual urea content of the sample ? (molecular weight of urea = 60)

0.9
0.95
0.8
0.98

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Stoichiometry
The crystallisation of a solute from a solution may be done by

Change of temperature thereby causing supersaturation
Removal of pure solvent by evaporation
Changing the nature of the system by the addition of a more soluble material
All of these

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Stoichiometry
Cp - Cv, for an ideal gas is equal to

R
2R
R/2
3R

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Stoichiometry
Increasing the temperature of an aqueous solution will cause decrease in its

Molality
Mole fraction
Molarity
Weight percent

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Stoichiometry
A bypass stream in a chemical process is useful, because it

Increases the yield of products
Improves the conversion
None of these
Facilitates better control of the process

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