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Stoichiometry

Stoichiometry
The vapor pressure of water at 100°C is

13.6 cms of Hg
100N/m²
76 cms of Hg
760 mm wc

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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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Stoichiometry
Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is

1.72
0.5
0.2
0.58

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Stoichiometry
1 centipoise is equivalent to

2.42 lb/ft.second
1 centistoke
2.42 lb/ft.hr
1 gm/cm.second

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Stoichiometry
The rate of material __________ is zero in case of a steady state system.

Generation
Input
Production
Accumulation

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Stoichiometry
The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface. This statement pertaining to the solubility of gases in liquid is the __________ law.

Amgat's
None of these
Raoult's
Henry's

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