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Stoichiometry

Stoichiometry
For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become

9P
P/3
3P
9P²

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Stoichiometry
A butane isomerisation process produces 70 kmole/hr of pure isobutane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be

6 kmole/hr
3 kmole/hr
5 kmole/hr
4 kmole/hr

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

Molarity
Mole fraction
Molality
Weight percent

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Stoichiometry
Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole.

114.92
-28.73
57.46
-57.46

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Stoichiometry
'Cox' chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the

Vapor pressure vs. temperature
Log (temperature) vs. log (vapor pressure)
Vapor pressure vs. log (temperature)
Temperature vs. log (vapor pressure)

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Stoichiometry
The total number of atoms in 8.5 gm of NH₃ is __________ x 1023.

3.01
9.03
1.204
6.02

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MORE MCQ ON Stoichiometry

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