13.38 Given the same reactant concentrations, the reaction 13.46 The rate at whic minute at 27°C From these dat for the chirping CO(g) + Cl2(g) COCI,(g) at 250°C is 1.50 x 10° times as fast as the same reac- tion at 150°C. Calculate the activation energy for this reaction. Assume that the frequency factor is constant. 13.39 Some reactions are described as parallel in that the reactant simultaneously forms different products with different rate constants. An example is equal to the rati 13.47 The diagram he reaction A2 + B k1 k2 and The activation energies are 45.3 kJ/mol for k, and 69.8 kJ/mol for k,. If the rate constants are equal at 320 K, at what temperature will k/k2 = 2.00? 13.40) Variation of the rate constant with temperature for Suppose the read %3D tures as shown in the first-order reaction sents the result reaction proceed both temperature 2N O5(g) → 2N¿O4(g) + O2(g) is given in the following table. Determine graphically the activation energy for the reaction. T (K) k (s-1) 1.74 X 10-5 6.61 X 10-5 298 308 (a) 318 2.51 X 10-4 7.59 x 10 4 2.40 x 10 3 328 13.5 Reaction Mecha 9. 338 Review Questions 13.48 What do we mear 13.41 For the reaction H 10 what is an eleme ity of a reaction? 13.49 Classify each of unimolecular, bin NO(g) + O3(g) NO2(g) + 02(8) the frequency factor A is 8.7 x 102 s- and the acti- vation energy is 63 kJ/mol. What is the rate constant for the reaction at 75°C? 13.42 The rate constant of a first-order reaction is 4.60 x 10 s at 350°C. If the activation energy is 104 kJ/ mol, calculate the temperature at which its rate constant is 8.80 x 10s -4 13.43 The rate constants of some reactions double with けの井9 13.44 Consider the first-order reaction every 10-degree rise in temperature. Assume that a reaction takes place at 295 K and 305 K. What must the activation energy be for the rate constant to dou- ble as described? 13.50 Reactions can bimolecular, and molecular reactic reactions are rare CH,NC(g) CH,CN(g) FIW 10 HCO 10
13.38 Given the same reactant concentrations, the reaction 13.46 The rate at whic minute at 27°C From these dat for the chirping CO(g) + Cl2(g) COCI,(g) at 250°C is 1.50 x 10° times as fast as the same reac- tion at 150°C. Calculate the activation energy for this reaction. Assume that the frequency factor is constant. 13.39 Some reactions are described as parallel in that the reactant simultaneously forms different products with different rate constants. An example is equal to the rati 13.47 The diagram he reaction A2 + B k1 k2 and The activation energies are 45.3 kJ/mol for k, and 69.8 kJ/mol for k,. If the rate constants are equal at 320 K, at what temperature will k/k2 = 2.00? 13.40) Variation of the rate constant with temperature for Suppose the read %3D tures as shown in the first-order reaction sents the result reaction proceed both temperature 2N O5(g) → 2N¿O4(g) + O2(g) is given in the following table. Determine graphically the activation energy for the reaction. T (K) k (s-1) 1.74 X 10-5 6.61 X 10-5 298 308 (a) 318 2.51 X 10-4 7.59 x 10 4 2.40 x 10 3 328 13.5 Reaction Mecha 9. 338 Review Questions 13.48 What do we mear 13.41 For the reaction H 10 what is an eleme ity of a reaction? 13.49 Classify each of unimolecular, bin NO(g) + O3(g) NO2(g) + 02(8) the frequency factor A is 8.7 x 102 s- and the acti- vation energy is 63 kJ/mol. What is the rate constant for the reaction at 75°C? 13.42 The rate constant of a first-order reaction is 4.60 x 10 s at 350°C. If the activation energy is 104 kJ/ mol, calculate the temperature at which its rate constant is 8.80 x 10s -4 13.43 The rate constants of some reactions double with けの井9 13.44 Consider the first-order reaction every 10-degree rise in temperature. Assume that a reaction takes place at 295 K and 305 K. What must the activation energy be for the rate constant to dou- ble as described? 13.50 Reactions can bimolecular, and molecular reactic reactions are rare CH,NC(g) CH,CN(g) FIW 10 HCO 10
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
13.40
Transcribed Image Text:13.38 Given the same reactant concentrations, the reaction
13.46 The rate at whic
minute at 27°C
From these dat
for the chirping
CO(g) + Cl2(g) COCI,(g)
at 250°C is 1.50 x 10° times as fast as the same reac-
tion at 150°C. Calculate the activation energy for this
reaction. Assume that the frequency factor is constant.
13.39 Some reactions are described as parallel in that the
reactant simultaneously forms different products
with different rate constants. An example is
equal to the rati
13.47 The diagram he
reaction A2 + B
k1
k2
and
The activation energies are 45.3 kJ/mol for k, and
69.8 kJ/mol for k,. If the rate constants are equal at
320 K, at what temperature will k/k2 = 2.00?
13.40) Variation of the rate constant with temperature for
Suppose the read
%3D
tures as shown in
the first-order reaction
sents the result
reaction proceed
both temperature
2N O5(g) → 2N¿O4(g) + O2(g)
is given in the following table. Determine graphically
the activation energy for the reaction.
T (K)
k (s-1)
1.74 X 10-5
6.61 X 10-5
298
308
(a)
318
2.51 X 10-4
7.59 x 10 4
2.40 x 10 3
328
13.5 Reaction Mecha
9.
338
Review Questions
13.48 What do we mear
13.41 For the reaction
H 10 what is an eleme
ity of a reaction?
13.49 Classify each of
unimolecular, bin
NO(g) + O3(g) NO2(g) + 02(8)
the frequency factor A is 8.7 x 102 s- and the acti-
vation energy is 63 kJ/mol. What is the rate constant
for the reaction at 75°C?
13.42 The rate constant of a first-order reaction is 4.60 x
10 s at 350°C. If the activation energy is 104 kJ/
mol, calculate the temperature at which its rate
constant is 8.80 x 10s
-4
13.43 The rate constants of some reactions double with
けの井9
13.44 Consider the first-order reaction
every 10-degree rise in temperature. Assume that a
reaction takes place at 295 K and 305 K. What must
the activation energy be for the rate constant to dou-
ble as described?
13.50 Reactions can
bimolecular, and
molecular reactic
reactions are rare
CH,NC(g) CH,CN(g)
FIW 10
HCO 10
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