Question

Please help with 1, 2, 3, 4 & 5

1.

The rate constant of a first-order process that has a half-life of 225 s is O 0.693 O 3.08 x 10-3 O 1.25 O 12.5 O 4.44 x 10-3

2.

The initial concentration of reactant in a first-order reaction is 0.27 M. The rate constant for the reaction is 0.75 s -1. W

3.

The primary source of the specificity of enzymes is Otheir polarity, which matches that of their specific substrate Otheir de

4.

What is the conjugate base of OH ? ОО2 оо он20 О 02- О Нҙо*

5.

Rates of reaction can be positive or negative. O True False

0 0
Add a comment Improve this question Transcribed image text
Answer #1

optiom:G a-00308 o-693 2-303 o-75= o-48g49 ou o-o 8 6 m Opbion thei? shapes which xelab es the lock to ond keymodel optien: Cif you have any doubts about the answer please mention in the comments please do rate the answer .

Add a comment
Know the answer?
Add Answer to:
Please help with 1, 2, 3, 4 & 5 1. 2. 3. 4. 5. The rate...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • 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...

  • This wuestion has parts to it. I will rate. 1. 2. 3. 4. If a reaction...

    This wuestion has parts to it. I will rate. 1. 2. 3. 4. If a reaction is zero-order in a reactant, when the concentration of the reactant is decreased by a factor of 2, the reaction rate will: 。Adecrease by a factor of 1/2· 0 B. remain constant. C. double. O D. quadruple. OE. decrease by a factor of 1/4 You are working with a nonallosteric enzyme that displays Michaelis-Menten kinetics. At what percent of the maximum velocity wll 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 ∘...

  • 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...

  • 1. What is the half-life of a first-order reaction with a rate constant of 1.90×10−4  s−1? Express...

    1. What is the half-life of a first-order reaction with a rate constant of 1.90×10−4  s−1? Express your answer with the appropriate units. 2. What is the rate constant of a first-order reaction that takes 244 seconds for the reactant concentration to drop to half of its initial value? 3. A certain first-order reaction has a rate constant of 1.80×10−3 s−1. How long will it take for the reactant concentration to drop to 18 of its initial value?

  • 1. The rate constant for a certain reaction is k = 5.70×10−3 s−1 . If the...

    1. The rate constant for a certain reaction is k = 5.70×10−3 s−1 . If the initial reactant concentration was 0.750 M, what will the concentration be after 13.0 minutes? 2. A zero-order reaction has a constant rate of 4.40×10−4 M/s. If after 80.0 seconds the concentration has dropped to 1.00×10−2 M, what was the initial concentration?

  • Please help with 1, 2, 3, 4 & 5 1. 2. 3. 4. 5. Classify the...

    Please help with 1, 2, 3, 4 & 5 1. 2. 3. 4. 5. Classify the following compounds as weak acids (W) or strong acids (S): hypochlorous acid perchloric acid chloric acid WSS OSSS Sww Owww OWs W A 25.0 mL sample of 0.723 M HClO 4 is titrated with a 0.273 M KOH solution. The H 30 concentration after the addition of 10.0 mL of KOH is М. O 0.440 O 1.00 x 10-7 0.723 O 2.81 x 10-13...

  • 1. The rate constant for a certain reaction is k = 7.10×10−3 s−1 . If the...

    1. The rate constant for a certain reaction is k = 7.10×10−3 s−1 . If the initial reactant concentration was 0.350 mol L−1, what will the concentration be after 19.0 minutes? 2. A zero-order reaction has a constant rate of 3.70×10−4 mol L−1 s−1. If after 40.0 seconds the concentration has dropped to 9.00×10−2 mol L−1, what was the initial concentration?

  • The rate constant for a certain reaction is k = 1.70×10−3 s−1 . If the initial...

    The rate constant for a certain reaction is k = 1.70×10−3 s−1 . If the initial reactant concentration was 0.900 M, what will the concentration be after 6.00 minutes? [A]t= B) A zero-order reaction has a constant rate of 3.90×10−4 M/s. If after 65.0 seconds the concentration has dropped to 4.00×10−2 M, what was the initial concentration? [A]0=

  • Question 3 (Mandatory) (5 points) The rate constant of a first-order decomposition reaction is 0.0147 s....

    Question 3 (Mandatory) (5 points) The rate constant of a first-order decomposition reaction is 0.0147 s. If the initial concentration of reactant is 0.178 M, what is the concentration of reactant after 30.0 seconds? a) 8.72 x 10 M Ob) 0.0785 M Oc) 0,115 M O d) 0.643 M e) 0.0645 M Question 4 (Mandatory) (5 points) The reaction quotient, . for a system is 1.6 x 104. If the equilibrium constant for the system at some temperature 8.5 x...

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