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Stoichiometry

Stoichiometry
Kinematic viscosity of 1 m² /second is equivalent to __________ stokes.

10
104
102
103

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Stoichiometry
For an ideal gas, the compressibility factor

Is unity at all temperature
Decreases with pressure rise
Zero
Is unity at Boyle's temperature

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Stoichiometry
The density of a gas at N.T.P.is 'ρ'. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75ρ at a temperature of __________ °K

300°
400°
300°
273°

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Stoichiometry
Enthalpy of formation of NH₃ is - 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH₃ → N₂ + 3H₂, is equal to __________ kJ/kg. mole.

92
-23
46
-92

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Stoichiometry
Number of gm moles of solute dissolved in one litre of a solution is called its

Molality
Normality
Molarity
Equivalent weight

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Stoichiometry
N₂ content in a urea sample was found to be only 42%. What is the actual urea content of the sample ? (molecular weight of urea = 60)

0.98
0.8
0.95
0.9

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