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Kinetics

Authored by Kim Riker

Chemistry

11th Grade

NGSS covered

Used 11+ times

Kinetics
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50 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which one of the following is a first order, overall reaction

k1= 1.000 M s-1
k1= 5403.2 M½ s½
k1= 1.23 x 10-6 M-1 s-1
k1= 10.7 s-1

Tags

NGSS.HS-PS1-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A. is most exothermic
B. is most exothermic
C. is most exothermic
D. is most exothermic

Tags

NGSS.HS-PS1-4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Consider the following rate law: Rate = k[A]n[B]m
How are the exponents n and m determined?

by using balanced chemical equation
By using the subscripts for the formulas
By educated guess
By experiment 

Tags

NGSS.HS-PS1-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What would be my the overall order of this rate law? 
Rate=[A]2[B]1

0 Order
1st Order
2nd Order
3rd Order

Tags

NGSS.HS-PS1-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

step 1: O3 → O2 + O
step 2: O3 + O → 2 O2

The oxygen atom (O) is considered to be a(n)...

reactant
catalyst
reaction intermediate
activated complex

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

The reaction of (CH3)3CBr with hydroxide ion proceeds:
(CH3)3CBr(aq) + OH-(aq) → (CH3)3COH(aq) + Br-(aq)
What will the initial rate (in mol/L*s) be in Experiment 4?

0.003
0.006
0.009
0.018

Tags

NGSS.HS-PS1-5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In any first order reaction, as the reaction proceeds at constant temperature, which describes the corresponding effects on k (the rate constant) and rate?

k remains the same; rate decreases
k and rate both remain the same
k remains the same; rate increases
k decreases; rate remains the same

Tags

NGSS.HS-PS1-5

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