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Stoichiometry

Stoichiometry
Internal energy is independent of the __________ for an ideal gas.

Both A & B
Neither A nor B
Volume
Pressure

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Stoichiometry
The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the

None of these
Relative humidity
Relative saturation
Percentage saturation

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Stoichiometry
The effect of pressure on the heat capacity of the gases __________ is negligible.

At pressure below one atmosphere
Both A & B
Neither A nor B
Below the critical temperature

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Stoichiometry
Pick out the wrong unit conversion of mass transfer co-efficient.

1 kg/hr . m² = 4.8823 lb/hr . ft²
1 kg/hr.m².atm= 0.98687 kg/hr. m .bar
1 lb/hr.ft³.atm. = 4.8182 kg/hr.m².bar
1 lb/hr . ft² = 4.8823 kg/hr . m²

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Stoichiometry
The vapour pressure of water is given by, in Psat = A - (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K.The vapor pressure of water in atm. at 50°C is approximately

0.07
0.13
0.11
0.09

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Stoichiometry
Internal energy of a substance comprises of the __________ energy.

Vibrational
Translational
Rotational
All of these

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