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Stoichiometry

Stoichiometry
Isotonic solutions must have the same

Viscosity
Normality
Critical temperature
Molar concentration

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

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

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Stoichiometry
The OH⁻ concentration in a solution having pH value 3 is

10-10
10-13
10-3
10-11

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Stoichiometry
Which of the following ideal gas laws are not applicable to mixture of gases ?

Amgat's law
None of these
Boyle's law & Charle's Law
Dalton's law

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Stoichiometry
The combustion equations of carbon and carbon monoxide are as follows: C + O₂ = CO₂, ΔH = - 394 kJ/kg . mole CO + 1/2 O₂ = CO₂, ΔH = - 284.5 kJ/kg. mole. The heat of formation of CO is __________ kJ/kg. mole.

+109.5
-109.5
+180
+100

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Stoichiometry
Which of the following is not a colligative property?

None of these
Lowering of vapor pressure
Depression of freezing point
Osmotic pressure

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