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Chemistry
Chemistry A Molecular Approach Study Set 2
Quiz 14: Chemical Kinetics
The Rate of Disappearance of Hbr in the Gas Phase
Question 99
Multiple Choice
The rate of disappearance of HBr in the gas phase reaction 2 HBr(g)→ H
2
(g)+ Br
2
(g) Is 0.301 M s
-1
at 150°C.The rate of appearance of Br
2
is ________ M s
-1
. A) 1.66 B) 0.151 C) 0.0906 D) 0.602 E) 0.549
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Related questions
Q 100
The rate of disappearance of HBr in the gas phase reaction 2 HBr(g)→ H
2
(g)+ Br
2
(g) Is 0.130 M s
-1
at 150°C.The rate of reaction is ________ M s
-1
. A) 3.85 B) 0.0650 C) 0.0169 D) 0.260 E) 0.0860
Q 101
The combustion of ethylene proceeds by the reaction C
2
H
4
(g)+ 3 O
2
(g)→ 2 CO
2
(g)+ 2 H
2
O(g) When the rate of disappearance of O
2
is 0.28 M s
-1
,the rate of appearance of CO
2
is ________ M s
-1
. A) 0.19 B) 0.093 C) 0.84 D) 0.42 E) 0.56
Q 102
The combustion of ethylene proceeds by the reaction C
2
H
4
(g)+ 3 O
2
(g)→ 2 CO
2
(g)+ 2 H
2
O(g) When the rate of disappearance of
is 0.23 M s
-1
,the rate of disappearance of C
2
H
4
is ________ M s
-1
. A) 0.15 B) 0.077 C) 0.69 D) 0.35 E) 0.46
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