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Stoichiometry

Stoichiometry
pH value of an alkaline solution is

> 7
Constant over a wide range
7
< 7

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Stoichiometry
1 bar is almost equal to __________ atmosphere.

1
10
100
1000

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Stoichiometry
Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10⁻³ T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to - 100°C is

18.33 kJ
10.73 kJ
16.15 kJ
18.11 kJ

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Stoichiometry
Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the

Nature of the liquid
Temperature of the liquid
Total pressure
Nature of the gas

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Stoichiometry
The most convenient way of expressing solution concentration is in terms of

Molarity
Normality
Mole fraction
Molality

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Stoichiometry
Solutions which distil without change in composition are called

Saturated
Azeotropic
Supersaturated
Ideal

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