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Stoichiometry

Stoichiometry
'Giga' stands for

44116
1015
109
1012

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Stoichiometry
Measurement of the amount of dry gas collected over water from volume of moist gas is based on the

Dalton's law of partial pressures
Boyle's law
Avogadro's hypothesis
Charle's law

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Stoichiometry
Elements in a periodic table are arranged in order of their

Atomic weight
Metallic characteristics
Atomic number
Mass number

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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

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

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Stoichiometry
Atoms of the same element, but of different masses are called

Isotopes
Isobars
Isotones
None of these

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Stoichiometry
The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg.?

0.2
0.1
0.4
0.6

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