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Stoichiometry

Stoichiometry
Claussius Clapeyron equation applies to the __________ process.

All of these
Melting
Vaporisation
Sublimation

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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
Wet bulb temperature
Humidity
Relative saturation

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Stoichiometry
Pick out the wrong unit conversion of heat transfer rate.

1 kcal/hr= 1.163 Watt
1 kcal/m².hr = 0.3687 BTU/ft².hr = 1.163 Watt/m²
1 Watt = 1.163 kcal/hr
1 BTU/ft².hr = 2.712 kcal/m².hr

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Stoichiometry
One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH₄ + 2O₂ → CO₂ + 2H₂O. Both the reactants and products are in gas phase. ΔH°298 = - 730 kJ/mole of methane. If the average specific heat of all the gases/vapour is 40 J/mole.K, the maximum temperature rise of the exhaust gases in °C would be approximately equal to

1335
1225
1525
1735

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Stoichiometry
Heat of reaction is a function of the

Pressure
Both(a)&(b)
Neither (a) nor (b)
Temperature

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Stoichiometry
The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent.

Either more or less; depends on the solvent
More than
Less than
Equal to

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MORE MCQ ON Stoichiometry

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