Question

a certain reaction A > products is second order in A. If this reaction is 85%...

a certain reaction A > products is second order in A. If this reaction is 85% complete in 12 minutes, how long would it take for the reaction to be 15% complete?

Please explain

A. 110s
B. 27s
C. 62s
D.130s
E. 22s

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Part A : A certain first-order reaction (A→products) has a rate constant of 9.30×10−3 s−1 at...
Part A : A certain first-order reaction (A→products) has a rate constant of 9.30×10−3 s−1 at 45 ∘C. How many minutes does it take for the concentration of the reactant, [A], to drop to 6.25% of the original concentration? Part B : A certain second-order reaction (B→products) has a rate constant of 1.10×10−3M−1⋅s−1 at 27 ∘C and an initial half-life of 278 s . What is the concentration of the reactant B after one half-life?
The rate constant for this second-order reaction is 0.120 M^-1·s^-1 at 300 °C. A rightarrow products....
The rate constant for this second-order reaction is 0.120 M^-1·s^-1 at 300 °C. A rightarrow products. How long (in seconds) would it take for the concentration of A to decrease from 0.880M to 0.300M?
The rate constant for this second-order reaction is 0.460 M–1·s–1 at 300 °C. A--->Products. How long...
The rate constant for this second-order reaction is 0.460 M–1·s–1 at 300 °C. A--->Products. How long (in seconds) would it take for the concentration of A to decrease from 0.850 M to 0.360 M?
Part A A certain first-order reaction (A→products) has a rate constant of 7.20×10−3 s−1 at 45...
Part A A certain first-order reaction (A→products) has a rate constant of 7.20×10−3 s−1 at 45 ∘C. How many minutes does it take for the concentration of the reactant, [A], to drop to 6.25% of the original concentration? Express your answer with the appropriate units. Answer: 6.42 min Part B A certain second-order reaction (B→products) has a rate constant of 1.35×10−3M−1⋅s−1 at 27 ∘Cand an initial half-life of 236 s . What is the concentration of the reactant B after...
a.) The rate constant for the reaction is 0.460 M–1·s–1 at 200 °C. A--> products. If...
a.) The rate constant for the reaction is 0.460 M–1·s–1 at 200 °C. A--> products. If the initial concentration of A is 0.00680 M. what is the concentration after 315 s? b.)The rate constant for this zero-order reaction is 0.0190 M·s–1 at 300 °C. A--> products. How long (in seconds) would it take for the concentration of A to decrease from 0.800 M to 0.240 M? c.)The rate constant for this second-order reaction is 0.520 M–1·s–1 at 300 °C. A-->...
a.) The rate constant for the reaction is 0.460 M–1·s–1 at 200 °C. A--> products. If...
a.) The rate constant for the reaction is 0.460 M–1·s–1 at 200 °C. A--> products. If the initial concentration of A is 0.00680 M. what is the concentration after 315 s? b.)The rate constant for this zero-order reaction is 0.0190 M·s–1 at 300 °C. A--> products. How long (in seconds) would it take for the concentration of A to decrease from 0.800 M to 0.240 M? c.)The rate constant for this second-order reaction is 0.520 M–1·s–1 at 300 °C. A-->...
A certain second-order reaction (B→products) has a rate constant of 1.60×10−3 M−1⋅s−1 at 27 ∘C and...
A certain second-order reaction (B→products) has a rate constant of 1.60×10−3 M−1⋅s−1 at 27 ∘C and an initial half-life of 296 s . What is the concentration of the reactant B after one half-life?
The following is known about the reaction below: Chemical reaction: 2A-->2B The order of A is...
The following is known about the reaction below: Chemical reaction: 2A-->2B The order of A is second order If you start out with 2.75 M of A, after 5 minutes you will have 2.00M From these facts, determine: a) the rate law constant, K b) the first half life c) from time 0, how long will it take to reach 25% of the original concentration of A d) what is the concentration of A after 10 minutes?
For a first-order reaction, the half-life is constant. It depends only on the rate constant k...
For a first-order reaction, the half-life is constant. It depends only on the rate constant k and not on the reactant concentration. It is expressed as t1/2=0.693k For a second-order reaction, the half-life depends on the rate constant and the concentration of the reactant and so is expressed as t1/2=1k[A]0 Part A A certain first-order reaction (A→products) has a rate constant of 4.20×10−3 s−1 at 45 ∘C. How many minutes does it take for the concentration of the reactant, [A],...
For a first-order reaction, the half-life is constant. It depends only on the rate constant k...
For a first-order reaction, the half-life is constant. It depends only on the rate constant k and not on the reactant concentration. It is expressed as t1/2=0.693k For a second-order reaction, the half-life depends on the rate constant and the concentration of the reactant and so is expressed as t1/2=1k[A]0 Part A A certain first-order reaction (A→products ) has a rate constant of 5.10×10−3 s−1 at 45 ∘C . How many minutes does it take for the concentration of the...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT