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Stoichiometry

Stoichiometry
How much O₂ can be obtained from 90 kg of water?

90 kg
80 kg
64 kg
32 kg

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Stoichiometry
Atmospheric pressure corresponds to a hydrostatic head of

1 metre of H₂O
13.6 cms of Hg
13.6 metres of Hg
34 ft ofH₂O

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Stoichiometry
The heat of adsorption of a gas caused by Van der Walls forces of attraction and capillarity is equal to the heat of

Normal condensation
Difference of A and B
Sum of A and B
Wetting

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

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

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Stoichiometry
For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation.

Dry bulb temperature
Humidity
Wet bulb temperature
Relative saturation

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Stoichiometry
If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will

Increase nine fold
Increase three fold
Decrease three fold
Remain unaltered

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