he decomposition of ozone in the upper atmosphere to dioxygen occurs - he first step is a fast reversible step and the second is a slow reaction between an ozone molecule: Step 1: Step 2: O3(g) = 02(g) + O(g) O3(g) + 0(g) → 202(g) Fast, reversible, rea Slow
he decomposition of ozone in the upper atmosphere to dioxygen occurs - he first step is a fast reversible step and the second is a slow reaction between an ozone molecule: Step 1: Step 2: O3(g) = 02(g) + O(g) O3(g) + 0(g) → 202(g) Fast, reversible, rea Slow
Chemistry for Engineering Students
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Chapter9: Energy And Chemistry
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![O 11.
The decomposition of ozone in the upper atmosphere to dioxygen occurs by a two-step mechanism.
The first step is a fast reversible step and the second is a slow reaction between an oxygen atom and
an ozone molecule:
Step 1:
Step 2:
O3(g) = 02(8) + O(g)
O3(g) + 0(g) → 202(g)
Fast, reversible, reaction
Slow
a. Which is the rate determining step?
b. Write the rate equation for the rate-determining step.
Write the rate equation for the overall reaction.
с.
The rate equation for the reaction of nitrogen dioxide and carbon monoxide in the gas state to form
carbon dioxide and nitric oxide is represented by the equation:
12.
NO2(g) + CO(g) → NO(g) + CO2(g)
The following data were collected at 125°C:e
Experiment 1
Experiment 2
Experiment 3
Initial [NO2]
mol L
5.0 x 104
5.0 x 104
1.5 x 10-3
Initial [CO]
mol L-
1.6 x 10-2
3.2 x 102
3.2 x 10-2
Initial rate
mol L'min
1.7 x 10-7
1.7 x 10-7
1.5 x 10-6
What is the order with respect to NO2?
b. What is the order with respect to CO?
c. What is the overall order of the reaction?
d. Write the rate equation.
e. How do you know this is not a single step reaction?
a.
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Transcribed Image Text:O 11.
The decomposition of ozone in the upper atmosphere to dioxygen occurs by a two-step mechanism.
The first step is a fast reversible step and the second is a slow reaction between an oxygen atom and
an ozone molecule:
Step 1:
Step 2:
O3(g) = 02(8) + O(g)
O3(g) + 0(g) → 202(g)
Fast, reversible, reaction
Slow
a. Which is the rate determining step?
b. Write the rate equation for the rate-determining step.
Write the rate equation for the overall reaction.
с.
The rate equation for the reaction of nitrogen dioxide and carbon monoxide in the gas state to form
carbon dioxide and nitric oxide is represented by the equation:
12.
NO2(g) + CO(g) → NO(g) + CO2(g)
The following data were collected at 125°C:e
Experiment 1
Experiment 2
Experiment 3
Initial [NO2]
mol L
5.0 x 104
5.0 x 104
1.5 x 10-3
Initial [CO]
mol L-
1.6 x 10-2
3.2 x 102
3.2 x 10-2
Initial rate
mol L'min
1.7 x 10-7
1.7 x 10-7
1.5 x 10-6
What is the order with respect to NO2?
b. What is the order with respect to CO?
c. What is the overall order of the reaction?
d. Write the rate equation.
e. How do you know this is not a single step reaction?
a.
oil boniside stow ssb gniwolkle
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