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Stoichiometry

Stoichiometry
For a neutral solution (pH = 7), the value of[H⁺] [OH⁻] is equal to

< 1
> 1
1

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Stoichiometry
A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is

19206 J
4576 J
12712 J
13728 J

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Stoichiometry
Cp/Cv for monoatomic gases is

1.66
1
1.44
1.99

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Stoichiometry
Solutions having the same osmotic pressure are called __________ solutions.

Ideal
Saturated
Dilute
Isotonic

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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
540
2263
2676

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Stoichiometry
Othmer chart is useful in estimating the heat of

Adsorption
Wetting
Mixing
None of these

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