VHCC Unit 10_Kinetics_Review

VHCC Unit 10_Kinetics_Review

12th Grade

16 Qs

quiz-placeholder

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VHCC Unit 10_Kinetics_Review

VHCC Unit 10_Kinetics_Review

Assessment

Quiz

Chemistry

12th Grade

Medium

NGSS
HS-PS1-5

Standards-aligned

Created by

Hannah Pollard

Used 2+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In a chemical reaction, increasing the temperature of the reactants...

places particles in a better orientation.
makes more catalyst to help the products form more easily.
increases the number of particles in the reaction.
increases the collision speed between the particles.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which letter corresponds to the energy of the activated complex?

A

B

C

D

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

According to collision theory, what must the reactants have in order to form products?

initial collision between reactant molecules

correct orientation

enough energy

all of the above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The rate constants for the first-order decomposition of a compound are 5.22× 10–4 s–1 at 43°C and 2.91 × 10–3 s–1 at 62°C. What is the value of the activation energy for this reaction? (R = 8.31 J/(mol · K))

0.87 kJ/mol

79.5 kJ/mol

2.0 kJ/mol

34.5 kJ/mol

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which factors increase the rate of a reaction?

increasing temperature

increasing concentration

increasing surface area

all of the above

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following plots will show a linear relationship for a second order reaction?

[A] vs time

1/[A] vs time

ln[A] vs time

[A]2 vs time

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

The iodide ion reacts with hypochlorite ion in the following way:

OCl- + I- ⟶ OI- + Cl-.

This rapid reaction gives the rate data shown. What is the rate law?

rate = [OCl-]2[I-]

rate = [OCl-][I-]2

rate = [OCl-][I-]

rate = [OCl-]

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