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Stoichiometry

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

Weight percent
Molarity
Mole fraction
Molality

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Stoichiometry
500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be __________ mm Hg.

650
600
375
700

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Stoichiometry
If pH value of a solution is 8, then its pOH value will be

7
10
6
1

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Stoichiometry
Boiling point of a non-homogeneous mixture of immiscible liquids is __________ that of any one of its separate components.

Equal to
Lower than
Higher than
Either A or B; depends on the liquids

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Stoichiometry
Real gases approach ideal behaviour at

High pressure & high temperature
Low pressure & high temperature
Low pressure & low temperature
High pressure & low temperature

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Stoichiometry
Pick out the wrong unit conversion of mass transfer co-efficient.

1 lb/hr . ft² = 4.8823 kg/hr . m²
1 kg/hr . m² = 4.8823 lb/hr . ft²
1 lb/hr.ft³.atm. = 4.8182 kg/hr.m².bar
1 kg/hr.m².atm= 0.98687 kg/hr. m .bar

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