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Stoichiometry

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

Mole fraction
Molarity
Normality
Molality

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

Translational
Vibrational
Rotational
None of these

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Stoichiometry
With increase in the solute concentration, the specific heat of aqueous solutions

Decreases
Remains unchanged
Either A or B; depends on the type of solution
Increases

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Stoichiometry
A vessel of volume 1000 m³ contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately

25
34
20
17

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Stoichiometry
A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be

-273°C
- 136.5°K
0°K
-136.5°C

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Stoichiometry
The maximum adiabatic flame temperature of fuels in air is __________ the maximum flame temperature in pure oxygen.

Not related to
Higher than
Same as
Lower than

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