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Stoichiometry

Stoichiometry
Internal energy of a substance comprises of the __________ energy.

All of these
Translational
Vibrational
Rotational

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Stoichiometry
The unit of dynamic viscosity is

Stoke
Poise
Gm/cm sec
Both B & C

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Stoichiometry
Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is

0.58
0.2
1.72
0.5

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Stoichiometry
Kinetic theory of gases stipulates that, the

Energy is lost during molecular collisions
Absolute temperature is a measure of the kinetic energy of molecules
None of these
Molecules possess appreciable volume

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Stoichiometry
Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg.

79.62
80
78.51
80.38

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Stoichiometry
If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will

Increase nine fold
Remain unaltered
Increase three fold
Decrease three fold

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MORE MCQ ON Stoichiometry

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