Nitric oxide, NO , is known to break down ozone, O 3 , by the following bimolecular reaction: NO ( g ) + O 3 ( g ) → NO 2 ( g ) + O 2 ( g ) If the activation energy of this reaction is 10.5 kJ / mol and the pre-exponential factor is 7.9 × 10 11 cm 3 / ( mol ⋅ s ) , (a) what is the rate constant of this reaction at 298 K ? (b) If the ozone concentration were 5.4 × 10 − 12 mol / cm 3 and the NO concentration were 2.0 × 10 − 12 mol / cm 3 (conditions that might exist in a high-pollution area), what is the rate of this reaction ?
Nitric oxide, NO , is known to break down ozone, O 3 , by the following bimolecular reaction: NO ( g ) + O 3 ( g ) → NO 2 ( g ) + O 2 ( g ) If the activation energy of this reaction is 10.5 kJ / mol and the pre-exponential factor is 7.9 × 10 11 cm 3 / ( mol ⋅ s ) , (a) what is the rate constant of this reaction at 298 K ? (b) If the ozone concentration were 5.4 × 10 − 12 mol / cm 3 and the NO concentration were 2.0 × 10 − 12 mol / cm 3 (conditions that might exist in a high-pollution area), what is the rate of this reaction ?
Solution Summary: The author explains that the rate of a reaction is defined as the speed by which it is proceeding. Every chemical reaction requires minimum energy for the reaction to proceed.
Nitric oxide,
NO
, is known to break down ozone,
O
3
, by the following bimolecular reaction:
NO
(
g
)
+
O
3
(
g
)
→
NO
2
(
g
)
+
O
2
(
g
)
If the activation energy of this reaction is
10.5
kJ
/
mol
and the pre-exponential factor is
7.9
×
10
11
cm
3
/
(
mol
⋅
s
)
, (a) what is the rate constant of this reaction at
298
K
? (b) If the ozone concentration were
5.4
×
10
−
12
mol
/
cm
3
and the
NO
concentration were
2.0
×
10
−
12
mol
/
cm
3
(conditions that might exist in a high-pollution area), what is the rate of this reaction?
Definition Definition Study of the speed of chemical reactions and other factors that affect the rate of reaction. It also extends toward the mechanism involved in the reaction.
Predict the major organic product(s) of the following reactions. Indicate which of the following mechanisms is in operation: SN1, SN2, E1, or E2.
(c)
(4pts)
Mechanism:
heat
(E1)
CH3OH
+
1.5pts each
_E1 _ (1pt)
Br
CH3OH
(d)
(4pts)
Mechanism:
SN1
(1pt)
(e)
(3pts)
1111 I
H
10
Ill!!
H
LDA
THF (solvent)
Mechanism: E2
(1pt)
NC
(f)
Bri!!!!!
CH3
NaCN
(3pts)
acetone
Mechanism: SN2
(1pt)
(SN1)
-OCH3
OCH3
1.5pts each
2pts for either product
1pt if incorrect
stereochemistry
H
Br
(g)
“,、
(3pts)
H
CH3OH
+21
Mechanism:
SN2
(1pt)
H
CH3
2pts
1pt if incorrect
stereochemistry
H
2pts
1pt if incorrect
stereochemistry
A mixture of butyl acrylate and 4'-chloropropiophenone has been taken for proton NMR analysis. Based on this proton NMR, determine the relative percentage of each compound in the mixture
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.