Chemistry
WAEC 1999
Consider the reaction represented by the following equation: H
2(g) + 1
2(g) → 2HI
(g). The number of effective collisions of molecules of the reactants decreases as
-
A.
the temperature is raised
-
B.
the pressure increased
-
C.
the volume of the system is increased
-
D.
a catalysty is intoduced into the system
Correct Answer: Option C
Explanation
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