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Stoichiometry

Stoichiometry
Which of the following is not a unit of length?

Fermi
Parsec
Angstrom
Barn

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Stoichiometry
Solutions which distil without change in composition are called

Azeotropic
Supersaturated
Saturated
Ideal

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Stoichiometry
The hydroxyl ion (OH?) concentration in a solution having pH value 3 will be

10??

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Stoichiometry
The heat of solution depends upon the

Nature of solvent
Concentration of solution
Nature of solute
All of these

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Stoichiometry
At standard conditions, N₂ + 2O₂ ⇋ 2NO₂; ΔG° = 100 kJ/moleNO + ½O₂ ⇋ 2NO₂; ΔG° = -35 kJ/moleThe standard free energy of formation of NO in kJ/mole is

170
15
30
85

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Stoichiometry
Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of

Complete wetting
Wetting
Adsorption
Mixing

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