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Stoichiometry

Stoichiometry
If 1 Nm³ of O₂ contains 'N' number of molecules, then number of molecules in 2Nm³ of SO₂ will be

N/2
N
4N
2N

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Stoichiometry
Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are PvB and Pvw respectively. The partial pressure of benzene in air-vapour mixture is

XB.Patm
(Patm - Pvw)xB
XB.PvB
PvB

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Stoichiometry
Othmer chart is useful in estimating the heat of

None of these
Adsorption
Wetting
Mixing

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Stoichiometry
For the gaseous phase reaction, N₂ + O₂ ⇋ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by

Increasing the concentration of N₂
Increase in pressure
Decrease in pressure
Decrease in temperature

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Stoichiometry
In the reaction, represented by Na₂CO₃ + HC₁ → NaHO₃ + NaCl, the equivalent weight of Na₂CO₃ is

5.3
53
10.6
106

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

Input
Production
Generation
Accumulation

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