Two-part question. Appreciate the help :)For the net reaction: 2AB + 2C → A2 + 2BC, the following slow first steps have been proposed.1. AB → A + B2. 2C + AB → AC + BC3. 2AB → A2 + 2B4. C + AB → BC + AWhat rate law is predicted by each of these steps? Choose from the list below and enter the four letters in order, (e.g. ABCD or DEAB etc.)A. k[A]B. k[B]C. k[AB]D. k[AB][C]E. k[A]2F. k[B]2G. k[AB]2H. k[AB]2[C]I. k[AB][C]2J. k[AB]2[C]2PART 2Determine the units of the rate constant for all four reactions listed in the problem above, and enter the correct choices from the list below. Enter 4 letters in order (e.g. ABCD or CBED)A. sec-1B. mole L-1 sec-1C. mole-1 L sec-1D. mole2 L-2 sec-1E. mole-2 L2 sec-1F. None of the above.

Question
Asked Feb 18, 2019
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Two-part question. Appreciate the help :)

For the net reaction: 2AB + 2C → A2 + 2BC, the following slow first steps have been proposed.

1. AB → A + B
2. 2C + AB → AC + BC
3. 2AB → A2 + 2B
4. C + AB → BC + A

What rate law is predicted by each of these steps? Choose from the list below and enter the four letters in order, (e.g. ABCD or DEAB etc.)

A. k[A]
B. k[B]
C. k[AB]
D. k[AB][C]
E. k[A]2
F. k[B]2
G. k[AB]2
H. k[AB]2[C]
I. k[AB][C]2
J. k[AB]2[C]2

PART 2

Determine the units of the rate constant for all four reactions listed in the problem above, and enter the correct choices from the list below. Enter 4 letters in order (e.g. ABCD or CBED)

A. sec-1
B. mole L-1 sec-1
C. mole-1 L sec-1
D. mole2 L-2 sec-1
E. mole-2 L2 sec-1
F. None of the above.

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Expert Answer

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Step 1

Rate of a chemical reaction:

Rate of reaction tell us about the speed at which the reactants are converted into products.

Mathematically, rate of reaction is directly proportional to the product of concentration of each reactant raised to the power equal to their respective stoichiometric coefficients.

Let’s say we have a reaction:

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Step 2

Here we have:

  1. AB → A + B
    2. 2C + AB → AC + BC
    3. 2AB → A2 + 2B
    4. C + AB → BC + A
Step 3

Using above definition of rate constant, we can easily wr...

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Chemical Kinetics

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