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Stoichiometry

Stoichiometry
In __________ process, ions of salts react with water to produce acidity or alkalinity.

Hydrolysis
Dialysis
Hydration
Electrolysis

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Stoichiometry
One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The latent heat of condensation (kJ/kg⁻¹ ) under these conditions is

40732
2676
2263
540

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Stoichiometry
At a temperature of 0°K, the molecules of a gas have only __________ energy.

Vibrational
Translational
Rotational
None of these

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Stoichiometry
An equation for calculating vapour pressure is given by, log10 P = A - B(t + c).

Trouton's rule
Antonic equation
Kopp's rule
Kistyakowsky equation

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Stoichiometry
The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies

XM = 0.5
0.5 < XM < 0.64
XM ≥ 0.64
XM < 0.5

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Stoichiometry
Avogadro number is the number of molecules in one __________ of a gas.

Gram
Litre
Kilogram
Gm.mole

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