CO reacts with Cl2 in the gas phase according to the following chemical equation: Co(g) +Cl2(g)-COCI2(g) It is observed that, when the concentration of Cl2 is reduced to 1/3 of its initial value, the rate of the reaction is also reduced to 1/3 of its initial value. When the concentration of CO is multiplied by 6.38, the rate of the reaction also increases by a factor of 6.38. (a) Write the rate expression for this reaction, and give the units of the rate constant k, assuming concentration is expressed as mol L-1 and time is in seconds. rate = k units = (b) If [CO] were multiplied by 4.27 and [CI2] by 4.64, what change in the rate would be observed? The rate would increase by a factor of

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CO reacts with Cl2 in the gas phase according to the following
chemical equation:
Co(g) +Cl2(g)-COCI2(g)
It is observed that, when the concentration of Cl2 is reduced to 1/3
of its initial value, the rate of the reaction is also reduced to 1/3 of
its initial value. When the concentration of CO is multiplied by 6.38,
the rate of the reaction also increases by a factor of 6.38.
(a) Write the rate expression for this reaction, and give the units of
the rate constant k, assuming concentration is expressed as mol L-1
and time is in seconds.
rate =
k units =
(b) If [CO] were multiplied by 4.27 and [CI2] by 4.64, what change
in the rate would be observed?
The rate would increase by a factor of
Transcribed Image Text:CO reacts with Cl2 in the gas phase according to the following chemical equation: Co(g) +Cl2(g)-COCI2(g) It is observed that, when the concentration of Cl2 is reduced to 1/3 of its initial value, the rate of the reaction is also reduced to 1/3 of its initial value. When the concentration of CO is multiplied by 6.38, the rate of the reaction also increases by a factor of 6.38. (a) Write the rate expression for this reaction, and give the units of the rate constant k, assuming concentration is expressed as mol L-1 and time is in seconds. rate = k units = (b) If [CO] were multiplied by 4.27 and [CI2] by 4.64, what change in the rate would be observed? The rate would increase by a factor of
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