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Stoichiometry

Stoichiometry
pH value of a solution containing 1 gm of hydrogen ion per litre will be

10
7
1

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Stoichiometry
For the gaseous phase reaction, N₂ + O₂ ⇋ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by

Decrease in pressure
Decrease in temperature
Increasing the concentration of N₂
Increase in pressure

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Stoichiometry
Average molecular weight of air is about

23
29
79
21

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Stoichiometry
Vapor pressure of water at 100°C is about __________ bar.

10.13
0.1013
101.3
1.013

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Stoichiometry
The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface. This statement pertaining to the solubility of gases in liquid is the __________ law.

Raoult's
Henry's
None of these
Amgat's

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Stoichiometry
At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant?

273°C
100°C
200°C
273°K

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