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(Points: 1.2)
The decomposition of dinitrogen pentoxide is described by the chemical equation
2N2O5 .
.....
> 4NO2 +O2
If the rate of appearance of O2 is equal to 2.40 mol/min at a particular moment, what is
the rate of N2O5 disappearance of at that moment?
a. 0.600 mol/min
b. 1.20 mol/min
c. 4.80 mol/min
d. 9.60 mol/min
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2. CH13M049
(Points: 1.2)
The elementary reaction representing the formation of ozone:
O2 + O +M.
........
> O3 + M*is an example of a ________ reaction.
a. unimolecular
b. bimolecular
c. termolecular
d. tetramolecular
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3. CH13M028
(Points: 1.2)
Using the method of initial rates for the reaction A.
...>B, if the initial
concentration of A is doubled and the rate of reaction quadruples, what is the order of
reaction with respect to A?
a. zeroth
b. first
c. second
d. fourth
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4. CH13T045
(Points: 1.2)
A reaction is found to have an activation energy of 108 kJ/mol. If the rate constant
for this reaction is 4.60 x 10-6 s-1 at 275 K, what is the rate constant at 366 K?

a. 11.7 s-1

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