Question

D Question 7 2 pts How long (in hours) does it take for a first order reaction to go from 0.050 M to 0.010 M? Answer to three

Question 8 2 pts A second order reaction at 443°C has a k-30. with the units appropriate for a second order reaction. How muc

0 0
Add a comment Improve this question Transcribed image text
Request Professional Answer

Request Answer!

We need at least 10 more requests to produce the answer.

0 / 10 have requested this problem solution

The more requests, the faster the answer.

Request! (Login Required)


All students who have requested the answer will be notified once they are available.
Know the answer?
Add Answer to:
D Question 7 2 pts How long (in hours) does it take for a first order...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Similar Homework Help Questions
  • Incorrect Question 9 0/2 pts A first order reaction with a k=0.216 (with units expressed in...

    Incorrect Question 9 0/2 pts A first order reaction with a k=0.216 (with units expressed in hours). How long in hours, to have 87.5% of the original concentration remaining. Answer to 2 decimal places. 0.62 Partial Question 6 1.5/3 pts The following reaction was run four times: NO(g) + Cl2le) - NOCIE) What is the order of reaction with respect to: NO- 1/2 C12= 1 Solve for the reaction constant (proportionality constant): k= 1.14 X10 -5 (Answer to 2 decimal...

  • Question 3 1 pts The rate constant, k, of the first order reaction A B +C...

    Question 3 1 pts The rate constant, k, of the first order reaction A B +C is k = 8.62 x 10-35-1. If the initial concentration of A is 2.74 M, how long will it take for the concentration of A to fall below 0.32 M? Give your answer to one decimal place in MINUTES (do not input the units). For example, if your answer is 8.956 minutes, enter 9.0 Question 4 1 pts The rate constant, k, of the...

  • 6. For a first order reaction with k .00021/min, how long would it take for the...

    6. For a first order reaction with k .00021/min, how long would it take for the reactant concentration to drop to one half its original concentration? If you do not have enough information to calculate an answer, what information would you need?

  • 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 0.693 - 1/2K For a second-order reaction, the half-life depends on the rate constant and the concentration of the reactant and so is expressed as 1/2 k(Alo Part A A certain first-order reaction (A>products) has a rate constant of 9.60x10 s-1 at45 C. How many minutes does it take for the concentration of the...

  • 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 t 1/2 = 0.693 k For a second-order reaction, the half-life depends on the rate constant and the concentration of the reactant and so is expressed as t 1/2 = 1 k[A ] 0 Part A A certain first-order reaction ( A→products ) has a rate constant of 9.90×10−3 s −1 at 45 ∘...

  • 2 pts A first order reaction with a k=0.216 (with units expressed in hours). How long,...

    2 pts A first order reaction with a k=0.216 (with units expressed in hours). How long, in hours, to have 87.5% of the original concentration remaining. Answer to 2 decimal places. Question 10 1 pts Calculate the Ea (kJ/mol) to 3 significant figures for the reaction: 2HI(g) +H2(g) + 12(e) kq=2.15x108 (1/M x sec) at 6.50x102K(T1) k2-2.39x107(1/Mx sec) at 7.00x102K(T2) R-8.31 J/mol x K) (Hint: you will need to convert this to kJ)

  • A first order reaction has a half-life of 196 seconds at 25oC. How long (in minutes)...

    A first order reaction has a half-life of 196 seconds at 25oC. How long (in minutes) does it take for the concentration of the reactant to drop to 3.125% of the original concentration? (it's not 16.34) The rate constant of a chemical reaction increased from 0.197 s-1 to 3.24 s-1 after raising the temperature from 20.0 oC to 60.0 oC.   What is the activation energy (in kJ/mol) for this reaction? (Hint: Think about what R value to use and what...

  • 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 k and not on the reactant concentration. It is expressed as t1/2=0.693k t 1 / 2 = 0.693 k 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. A certain first-order reaction (A→products A → p r o d u c t s ) has a rate constant of 9.30×10−3...

  • A first-order reaction has a half-life of 20.8 s . How long does it take for...

    A first-order reaction has a half-life of 20.8 s . How long does it take for the concentration of the reactant in the reaction to fall to one-fourth of its initial value?

  • A certain first-order reaction (A→products) has a rate constant of 1.00×10−2 s-1 at 45 ∘C. How...

    A certain first-order reaction (A→products) has a rate constant of 1.00×10−2 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.

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT