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Stoichiometry

Stoichiometry
Cp/Cv for monoatomic gases is

1
1.44
1.66
1.99

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

Molality
Molarity
Mole fraction
Normality

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Stoichiometry
The increase in the temperature of the aqueous solution will result in decrease of its

Molality
Molarity
Mole fraction of the solute
Weight % of the solute

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Stoichiometry
Enthalpy of a vapor gas mixture may be increased by increasing the

Temperature at constant humidity
Humidity at constant temperature
All of these
Temperature and the humidity

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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
16.15 kJ
18.11 kJ
10.73 kJ

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Stoichiometry
The molar composition of a gas is 10% H₂, 10% O₂, 30% CO₂ and balance H₂O. If 50% H₂O condenses, the final mole percent of H₂ in the gas on a dry basis will be be

0.2
0.1818
0.05
0.1

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