15-9: Second Order Integrated Rate Problems
Chapter 15
University of Arkansas at Little Rock
Dr. Robert Belford
All the questions in this quiz relate to the following second order reaction:
2NOBr(g) --> 2NO(g) + Br
(g)
Question 1
What is the rate constant if it takes 80.25 seconds for a 0.90M mixture to decompose to 0.25M?
(A)
0.68s
-1
M
-1
(B)
0.0078s
-1
M
-1
(C)
0.036s
-1
M
-1
(D)
none of the above
Hint
Your response
Not answered yet
Question 2
How long does it take for the reaction in question 1 to decompose to 0.10M?
(A)
520 sec
(B)
250 sec
(C)
32 sec
(D)
none of the above
Hint
Your response
Not answered yet
Question 3
How long does it take for the reactant in question 1 to decompose to 25%?
(A)
640 sec
(B)
93 sec
(C)
27 sec
(D)
none of the above
Hint
Your response
Not answered yet
Question 4
How long does it take for 25% of the reactant in question 1 to be consumed?
(A)
10. sec
(B)
98 sec
(C)
31 sec
(D)
none of the above
Hint
Your response
Not answered yet
Question 5
What is [NOBr] of a .85M [NOBr]solution after 3 minutes?
(A)
1.3M
(B)
0.90M
(C)
0.0080M
(D)
None of the Above
Hint
Your response
Not answered yet
Question 6
Calculate the initial [NOBr] if [NOBr]=0.0080M after 15 minutes.
(A)
0.11M
(B)
0.011M
(C)
2.1M
(D)
none of the above
Hint
Your response
Not answered yet