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Stoichiometry

Stoichiometry
The unit of Cp in S.I. units is

W/m².°K
J/m³. °K
W/m.°K
J/kg.°K

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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
0.1
0.05
0.1818

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Stoichiometry
The heat of vaporisation __________ with increase in pressure.

Becomes zero at critical pressure
Both B and C
Decreases
Increases

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

Lower than
Higher than
Same as
Not related to

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Stoichiometry
Claussius Clapeyron equation applies to the __________ process.

All of these
Melting
Sublimation
Vaporisation

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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. Mole fraction of water vapour in the product gases is about

0.33
0.67
0.19
0.40

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