Answer to Question #67285 in Physical Chemistry for murahi

Question

Question 12 : When extra
N
H
3
NH3
is added to the following system at equilibrium:
3
H
2
(
g
)
+
N
2
(
g
)
→
2
N
H
3
(
g
)
3H2(g)+N2(g)→2NH3(g)
, what happens?
Concentration of hydrogen decreases, but that of hydrogen increases
No change occurs
In order to restore equilibrium, the reaction shifts left, toward reactants
In order to restore equilibrium, the reaction shifts right, toward product

Question 13 : The minimum additional energy, above the average internal energy, which the reacting molecules must possess so that their collision result in a reaction is known as
Thermodynamic energy
Activation energy
Kinetic energy
Threshold energy

Question 14 : The factor that affects the rate of reaction is
Catalyst
All of these
Temperature of the reactants
Nature and concentration of the reactants

Answer 1

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