Ask a New Question

Question

A certain first-order reaction A--->B is 25% complete in 42 min at 25 degrees C. What is the rate constant?

17 years ago

Answers

DrBob222
ln(No/N) = kt
Call No = 100.
Solve for k.
17 years ago
John
a first order reaction takes 69.3 minutes for 59% completion how much time will be needed for 80% completion.
10 years ago

Related Questions

A first-order reaction is 35.5% complete in 4.90 minutes. The rate constant of the reaction is ____... a first order reaction has a rate constant of 7.5 x 10^-3/s. The time required for th reaction to be... reaction order I know the form is r=k(A)a(B)b (a, b are exponents) and I know a and b depend on... A zero-order reaction has a constant rate of 3.40×10−4 M/s. If after 80.0 seconds the concentration... A first order reaction has an activation enery of 50.0kJ/mol. When a catalyst is added the activatio... A certain first-order reaction has a rate constant of 2.60×10−2 s-1 at 18 C. What is the value of k... A reaction is first order in A. If the rate constant of the reaction is 3.45x10^-3 s-1, what is the... A first order reaction ABC → AB + C has a rate constant of 0.0125 /s. If the initial concentration o... A second order reaction is 50 % complete in 16 minutes. How long will it take to be 82 % complete A certain first-order reaction A to B is 25% complete in 42 min at 25 ° C. What is the half-life of...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use