WorksheetsDK024 CHAPTER 1 REACTION KINETICS
Total questions: 15
Worksheet time: 16mins
For the reaction:
4NH3(g) + 5O2(g) → 4 NO(g) + 6H2O(g)
the rate of disappearance of oxygen is 0.020 M/s. What is the rate of formation of H2O?
0.03 Ms-1
0.02 Ms-1
0.017 Ms-1
0.024 Ms-1
What is the overall order of reaction?
The catalyst alters the rate of a chemical reaction by,
providing an alternative pathway with a lower Ea
changing the products formed in the direction of the reaction
providing a surface on which the molecules react
increasing the frequencies of collisions between molecules
Which of the following is a unit of rate of reaction?
s-1
Ms-1
M
M-1s-1
Given the following balanced equation :
2NO(g) + Cl2(g) → 2NOCl(g)
If the rate of disappearance of Cl2 is 4.84 x 10-2 Ms-1, what is the rate of disappearance of NO?
1.45 x 10-2 Ms-1
2.42 x 10-2 Ms-1
3.67 x 10-2 Ms-1
9.68 x 10-2 Ms-1
The reaction A + 2B → products was found to have the rate law, k = k[A][B]2. Predict by what factor the rate of reaction will increase when the concentration of B is doubled and the concentration of A remained uncanged
2
4
6
8
What is the unit for rate constant,K if rate law:
Rate = K [A]
s-1
M s-1
M-1 s-1
M-2 s-1
The catalyst alters the rate of a chemical reaction by,
providing an alternative pathway with a lower Ea
changing the products formed in the direction of the reaction
providing a surface on which the molecules react
increasing the frequencies of collisions between molecules
Decreasing concentration has which of the following effects on reaction rate?
Increases reaction rate.
Has no effect on reaction rate.
Decreases reaction rate.
