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Section 1: A Model for Reaction Rates

A Model for Reaction Rates

1.
Use the data in the table to determine how long it will take to completely consume 1L of 1M butyl chloride [C4H9Cl], assuming the same reaction rate.

Molar Concentration of [C4H9Cl]
[C4H9Cl]
at t= 0.00 s
[C4H9Cl]
at t= 4.00 s
0.220M
0.100M


A)0.0300 s
B)0.300 s
C)3.00 s
D)33.3 s
2.
Use the data in the table to calculate the average reaction rate expressed in moles H2 consumed per liter per second.

Time (s)[H2] (M)[Cl2] (M)[HCl] (M)
00.030.050.55
100.0050.0250.05


A)0.002 mol/(L s)
B)0.0025 mol/(L s)
C)0.003 mol/(L s)
D)0.030 mol/(L s)
3.
Use the data in the table to calculate the average reaction rate expressed in moles Cl2 consumed per liter per second.

Time (s)[H2] (M)[Cl2] (M)[HCl] (M)
00.030.050.55
100.0050.0250.05


A)0.002 mol/(L s)
B)0.0025 mol/(L s)
C)0.003 mol/(L s)
D)0.030 mol/(L s)
4.
Use the data in the table to calculate the average reaction rate expressed in moles HCl produced per liter per second.

Time (s)[H2] (M)[Cl2] (M)[HCl] (M)
00.030.050.55
100.0050.0250.05


A)0.002 mol/(L s)
B)0.0025 mol/(L s)
C)0.005 mol/(L s)
D)0.0500 mol/(L s)
5.
What Greek symbol is used to represent change?
A)→
B)Δ
C)∈
D)Σ
6.
The term that describes the change in the concentration of a reactant divided by the change in time of the reaction is the ____________.
A)rate constant
B)average reaction rate
C)activated complex
D)chemical reaction
7.
What is the term given to a temporary arrangement of atoms that may produce either products or reactants?
A)transition state
B)collision
C)reactant
D)activation energy
8.
What is the term used to describe the minimum energy needed to form an activated complex?
A)temperature
B)kinetic energy
C)activation energy
D)potential energy
9.
How much time has passed when 5 mol/L have reacted at an average rate of 0.5 mol/L·s?
A)1.0 s
B)10 s
C)100 s
D)0.1 s
10.
Which of the following is the theory that states that atoms, molecules, and ions must collide for a chemical reaction to occur?
A)collision theory
B)accident theory
C)reaction theory
D)mechanism
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