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Stoichiometry

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

Hydration
Hydrolysis
Electrolysis
Dialysis

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Stoichiometry
80 kg of Na₂SO₄ (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na₂SO₄ .10H₂O crystals separate out. The weight fraction of Na₂SO₄ in the remaining solution is

1
0.24
0.18

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Stoichiometry
In physical adsorption, as compared to chemisorption, the

Activation energy is very high
Heat of adsorption is very large
Quantity adsorbed per unit mass is higher
Rate of adsorption is controlled by the resistance to surface reaction

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Stoichiometry
1 BTU/ft³ is approximately equal to __________ kcal/m³.

9
1
4
252

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Stoichiometry
Cp - Cv, for an ideal gas is equal to

2R
R
3R
R/2

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Stoichiometry
__________ fuels require the maximum percentage of 'excess air' for complete combustion.

Nuclear
Gaseous
Liquid
Solid

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