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Stoichiometry

Stoichiometry
The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times.

43832
43834
4
√2

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Stoichiometry
1 ata is equivalent to

1 kgf/cm²
10 torr
0.98 Pascal
1 atm

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Stoichiometry
In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is

60.3
200
720
180

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Stoichiometry
A vapor that exists above its critical temperature is termed as a __________ vapor.

Gaseous
Unsaturated
Sub-cooled
Saturated

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Stoichiometry
1 BTU/ft³ is approximately equal to __________ kcal/m³.

9
252
4
1

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Stoichiometry
The heat of solution depends upon the

Nature of solvent
All of these
Concentration of solution
Nature of solute

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