Chemical Kinetics Worksheet With Answers By Prof. Abdullah M. Asiri - 2009 Page 6
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33August 16, 2009
[PROBLEM SET FROM R. CHANG TEST
BANK]
19. The following initial rate data apply to the reaction
O(g) → 2FClO
F
(g) + 2Cl
(g) + Cl
(g).
2
2
2
2
Which of the following is the rate law (rate equation) for this reaction?
2
4
A.
rate = k[F
]
[Cl
O]
2
2
2
B.
rate = k[F
]
[Cl
O]
2
2
C.
rate = k[F
][Cl
O]
2
2
2
D.
rate = k[F
][Cl
O]
2
2
2
2
E.
rate = k[F
]
[Cl
O]
2
2
20. Nitric oxide reacts with chlorine to form nitrosyl chloride, NOCl. Use the following data to determine the
rate equation for the reaction.
→ NOCl
NO + (1/2)Cl
2
A.
rate = k[NO]
1/2
B.
rate = k[NO][Cl
]
2
C.
rate = k[NO][Cl
]
2
2
D.
rate = k[NO]
[Cl
]
2
2
2
E.
rate = k[NO]
[Cl
]
2
21. A first-order reaction has a rate constant of 3.00 × 10
-3
-1
s
. The time required for the reaction to be 75.0%
complete is
A.
95.8 s.
B.
462 s.
C.
231 s.
D.
201 s.
E.
41.7 s.
6
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