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Stoichiometry

Stoichiometry
Viscosity of atmospheric air may be about __________ centipoise.

15
150
1.5
0.015

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Stoichiometry
Isotopes are atoms having the same

Mass number
Number of neutrons
Atomic mass
None of these

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Stoichiometry
S.T.P. corresponds to

101.325 kPa gauge pressure & 15.5°C
1 atm. absolute pressure & 15.5°C
760 mm Hg gauge pressure & 15.5°C
760 torr & 0°C

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Stoichiometry
Pick out the correct conversion.

1 calorie = 453.6 BTU
1 BTU = 252 calories
1 calorie = 252 BTU
1 BTU =453.6 calories

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Stoichiometry
A solution of specific gravity 1 consists of 35% A by weight and the remaining B. If the specific gravity of A is 0.7, the specific gravity of Bis

1.2
1.35
1.25
1.3

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Stoichiometry
At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to

Increase in average molecular speed
Increased collision rate among molecules
Increase in molecular attraction
Decrease in mean free path

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