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Stoichiometry

Stoichiometry
The total number of atoms in 8.5 gm of NH₃ is __________ x 1023.

6.02
1.204
9.03
3.01

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Stoichiometry
Heat of transition is the heat evolved or absorbed, when a substance is converted from

Vapor to liquid
Vapor to solid
One allotropic form to another allotropic form
Solid to liquid

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Stoichiometry
A saturated vapor on being compressed would

Condense
Form wet steam
Neither A nor B
Both A & B

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Stoichiometry
According to the kinetic theory, the thermal conductivity of a monoatomic gas is proportional to

T2
T
T0.5
T1.5

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Stoichiometry
The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole.

+816.15
+1632.3
-2448.45
-1632.3

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Stoichiometry
The depression in freezing point of a solution is

Inversely proportional to the mass of solvent
Directly proportional to the mole of solute
Both A & B
Neither A nor B

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