Given the following balanced equation. If the rate of CI_2 loss is 4.24 times 10

Question

Given the following balanced equation. If the rate of CI_2 loss is 4.24 times 10^-2 M/s, what is the rate of formation of NOCI? A) 2.12 times 10^-2 M/s B) 4.24 times 10^-2 M/s D) 1.06 times 10^-1 M/s D) 8.48 times 10^-2 M/s E) 1.61 times 10^-2 M/s Which rate law of an elementary reaction is intermolecular? A) rate = k [A][B][C][D] B) rate = k[A]^2 C) rate = k [A][B]K^3 D) rate = k [A]^5 E) rate = k[A][B]^2 Give the characteristic of a second order reaction having only one reactant. A) The rate of the reaction is proportional to the natural logarithm of the concentration of the reactant. B) The rate of the reaction is directly proportional to the concentration of the reactant. C) The rate of the reaction is proportional to the square of the concentration of the reactant. D) The rate of the reaction is not proportional to the concentration of the reactant. E) The rate of the reaction is not proportional to the concentration of the concentration of the reactant. Soap has an ionic and a polar end. It works well to remove oil by A) surrounding the oil with the polar end. and the water interacts with the non polar end. B) surrounding the oil and water with the polar end. C) surrounding the oil with the non polar end, and the water Interacts with the polar end. D) surrounding the oil and water with the non polar end.

Explanation / Answer

Q8.

Relate, stoichiometrically:

1 mol of Cl2 will react when 2 mol of NO react

so...

the rate must be double

[NO2] = 2[Cl2] = 2*(4.24*10^-2) = 0.0848 M/s == 8.48*10^-2 M/s

Q9

for a termolecular reaction:

3 molecules

so

overal rate must be n = 3

a) cant be since it is n = 4

b can't be since it is n = 2

c can't be since it is n = 4

d can't be since it is n= 5

E is the answer, since n = 1+2 = 3

Q10

2nd order reaction with 1 rectant;

1/Ca = 1/Ca0 +kt

a) can't be, this is for 1st order

b) false, it is to the square

c) TRUE, since rate = k*[A]^2

d) false, no sqrt but ^2

e) false, it IS proportional

choose C

Q11

a, is inverted

b, false,

c, true

d, they must interact

choose C

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