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Stoichiometry

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

Unsaturated
Sub-cooled
Gaseous
Saturated

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Stoichiometry
Cp is expressed in S.I. unit as

J/kg.°K
W/m². °C
W/m. °K
0°K

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Stoichiometry
Which of the following is not a colligative property?

Depression of freezing point
None of these
Osmotic pressure
Lowering of vapor pressure

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Stoichiometry
A gas occupies a volume of 283 c.c at 10°C. If it is heated to 20°C at constant pressure, the new volume of the gas will be __________ c.c.

283
293
566
141.5

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Stoichiometry
40 gms each of the methane and oxygen are mixed in an empty container maintained at 40°C. The fraction of the total pressure exerted by oxygen is

1/4
1/3
1/2
2/3

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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

200
720
180
60.3

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