Substance P decays by a first-order process. If it takes 2.00 hrs for the concentration to...
Substance P decays by a first-order process. If it takes 2.00 hrs for the concentration to drop from
0.500 M to 0.300 M, what is the value of the rate constant?
| a. |
0.255 hr -1 |
|
| b. |
2.00 hr -1 |
|
| c. |
0.600 hr -1 |
|
| d. |
0.511 hr -1 |
|
| e. |
2.718 hr -1 |
Homework Answers
![Given that, TAJ = 0.500 M t = 2.00 hrs. [4]+ = 0. 300M . K,=? i conation. . from first order rate equation. K, = 2.362 10 kı](http://img.homeworklib.com/questions/a4194e40-de86-11eb-a8e5-0f7df1f9bfa7.png?x-oss-process=image/resize,w_560)
Add Answer to:
Substance P decays by a first-order process. If it takes 2.00
hrs for the concentration to...
At 25°C the half-life for the first-order decomposition of a pesticide solution is 15.0 hrs. (a)...
At 25°C the half-life for the first-order decomposition of a pesticide solution is 15.0 hrs. (a) Calculate the rate constant for the reaction. (b) If the starting concentration of pesticide is 0.500 M, what concentration will remain after 120 min at 25°C? neat handwriting, please!
3. A substance reacts according to a second-order rate law. When the initial concentration of the...
3. A substance reacts according to a second-order rate law. When the initial concentration of the substance is 0.600 M, the half-life is 2.75 s. Calculate the rate constant.
13. A. The decomposition of hydrogen peroxide is a first-order process with a rate constant of...
13. A. The decomposition of hydrogen peroxide is a first-order process with a rate constant of 1.06 x 10 min. How long will it take for the concentration of H2O2 to drop from 0.0200 M to 0.0120 M? <1 min 7.55 min 481 min 4550 min 31 400 min The rate constant is 5.4 C. D. E
A certain reactant disappears by a first order reaction that has a rate constant K= 3.5x10^-3...
A
certain reactant disappears by a first order reaction that has a
rate constant K= 3.5x10^-3 s-1. If the initial concentration of the
reactant is 0.500 M , how long will it take for the concentration
to drop to
0.200 M ?
4. A certain reactant disappears by a first-order reaction that has a rate constant k=3.5 x 10 s. If the initial concentration of the reactant is 0.500 M, how long will it take for the concentration to drop...
The nuclide 96Nb decays by a first-order process with a rate constant of 2.96 × 10–2...
The nuclide 96Nb decays by a first-order process with a rate constant of 2.96 × 10–2 h–1. How long will it take for 86.0% of the initial amount of 96Nb to be consumed?
A Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 *...
A Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 * 10 hr. If the initial concentration of cyclopropane is 0.150 M, what will its concentration be after 22.0 hours? 0.0457 M 0.105 M 0.127 M 0.492 M none of these choices is correct B. D. F
For a certain first-order reaction, is takes 2880 seconds for the concentration of the reactant to...
For a certain first-order reaction, is takes 2880 seconds for the concentration of the reactant to decrease to 25% of its initial value. What is the value for the rate constant (in s^-1) for the reaction? a) 2.9 times 10^-2 s^-1 b) 6.0 times 10^-3 s^-1 c) 4.8 times 10^-4 s^-1 d) 1.0 times 10^-4 s^-1
d listing r. (Individ For a particular first-order reaction, it takes 24 minutes for the concentration...
d listing r. (Individ For a particular first-order reaction, it takes 24 minutes for the concentration of the reactant to decrease to 25% of its initial value, what is the value for rate constant (in S-1) for the reaction? A) 2.0-104 s-1 B)9.6 x 10-4 s-1 C) 1.2 × 10-2 s-1 D)5.8 102s-1 12. In the first order reaction A → products, [A1-0.400 M initially and 0250 M after 15.0 mun, what willl after 175 min? e A) 1.67-10-3 M...
The decomposition of dioxygen represents a second order process. 2 dioxygen → ozone + O Answer...
The decomposition of dioxygen represents a second order process. 2 dioxygen → ozone + O Answer the following questions about the decomposition of dioxygen. Report all answers to three significant figures. 1. The initial concentration of dioxygen is 7.310x10-1 M, however after 3.36 h the concentration decreases to 4.898x10-1 M. Calculate the rate constant (in /M hr) for this process. Submit Answer Tries 0/13 2. If the initial concentration of dioxygen is 7.310x10-2 M, calculate the concentration (in M) of...
A certain substance, initially present at 0.500 M, decomposes by second-order kinetics with a rate constant...
A certain substance, initially present at 0.500 M, decomposes by second-order kinetics with a rate constant of 4.00 × 10-1 L/mol min. Calculate the time (in minutes) required for the system to reach a concentration of 0.116 M. ___ min?
3. A substance reacts according to a second-order rate law. When the initial concentration of the substance is 0.600 M, the half-life is 2.75 s. Calculate the rate constant.
13. A. The decomposition of hydrogen peroxide is a first-order process with a rate constant of 1.06 x 10 min. How long will it take for the concentration of H2O2 to drop from 0.0200 M to 0.0120 M? <1 min 7.55 min 481 min 4550 min 31 400 min The rate constant is 5.4 C. D. E
A
certain reactant disappears by a first order reaction that has a
rate constant K= 3.5x10^-3 s-1. If the initial concentration of the
reactant is 0.500 M , how long will it take for the concentration
to drop to
0.200 M ?
4. A certain reactant disappears by a first-order reaction that has a rate constant k=3.5 x 10 s. If the initial concentration of the reactant is 0.500 M, how long will it take for the concentration to drop...
A Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 * 10 hr. If the initial concentration of cyclopropane is 0.150 M, what will its concentration be after 22.0 hours? 0.0457 M 0.105 M 0.127 M 0.492 M none of these choices is correct B. D. F
For a certain first-order reaction, is takes 2880 seconds for the concentration of the reactant to decrease to 25% of its initial value. What is the value for the rate constant (in s^-1) for the reaction? a) 2.9 times 10^-2 s^-1 b) 6.0 times 10^-3 s^-1 c) 4.8 times 10^-4 s^-1 d) 1.0 times 10^-4 s^-1
d listing r. (Individ For a particular first-order reaction, it takes 24 minutes for the concentration of the reactant to decrease to 25% of its initial value, what is the value for rate constant (in S-1) for the reaction? A) 2.0-104 s-1 B)9.6 x 10-4 s-1 C) 1.2 × 10-2 s-1 D)5.8 102s-1 12. In the first order reaction A → products, [A1-0.400 M initially and 0250 M after 15.0 mun, what willl after 175 min? e A) 1.67-10-3 M...
The decomposition of dioxygen represents a second order process. 2 dioxygen → ozone + O Answer the following questions about the decomposition of dioxygen. Report all answers to three significant figures. 1. The initial concentration of dioxygen is 7.310x10-1 M, however after 3.36 h the concentration decreases to 4.898x10-1 M. Calculate the rate constant (in /M hr) for this process. Submit Answer Tries 0/13 2. If the initial concentration of dioxygen is 7.310x10-2 M, calculate the concentration (in M) of...
Most questions answered within 3 hours.
-
Accent Software faces the following conditions. All of these
support Accent’s use of a market-penetration pricing...
asked 35 minutes ago -
A mathematically inclined friend emails you the following
instructions: "Meet me in the cafeteria the first...
asked 37 minutes ago -
A monopoly sells in two countries . The demand curves in the two
countries are p1...
asked 1 hour ago -
A .15kg rubber ball is bounced off a wall. Before hitting the
wall, the ball moves...
asked 2 hours ago -
A manufacturing company preparing to build a new plant is
considering three potential locations for it....
asked 2 hours ago -
B. If compound Y has approximately the same values of solubility
in toluene as compound X,...
asked 3 hours ago -
Oscar Inc. has inventory in Japan valued at 39,051,000 Yen one
year ago. One year ago...
asked 3 hours ago -
If Canada suffered from "fundamental disequilibrium," and its
government choose not to devalue its currency, a...
asked 3 hours ago -
4. How many input & output Key Value Pairs are passed into,
and emitted out of...
asked 3 hours ago -
Why would your heart not function well if constructed of
skeletal muscle? What is the particular...
asked 3 hours ago -
Please respond to this essay question in full essay form for
Chemistry 1102 Organic and Biochemistry:...
asked 3 hours ago -
Determine the head loss and velocity of flow in a water supply main
of 15.0 cm...
asked 3 hours ago