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The gas phase decomposition of NOBr is second order in second order in NOBr with k = 0.810 at 10 degree Celsius we start with 4×10^-3 M NOBr in a flask at 10 degree Celsius how many seconds does it take to use up 1.5×10^-3 M NOBr 2NOBr gives 2NO Br2 ,rate=k[NOBr]^2 ? Options are a 92.6 b 9.26 c 926 d 0.926 sec?
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The gas phase decomposition of NOBr is second order in second order in...
Gas Phase Decomposition of NOBr

Given data:
k = 0.810 (rate constant)
Temperature (T) = 10 °C = 283 K
Initially, [NOBr] = 4 × 10^-3 M
Final [NOBr] = 1.5 × 10^-3 M

To find the time taken for the reaction to use up 1.5 × 10^-3 M NOBr, we can use the integrated rate law for a second-order reaction.

Integrated Rate Law:
1/[NOBr]t - 1/[NOBr]0 = kt

where,
[NOBr]t = concentration of NOBr at time t
[NOBr]0 = initial concentration of NOBr

Calculating Time Taken for the Reaction

We can rearrange the equation to solve for time (t) taken for the reaction to use up 1.5 × 10^-3 M NOBr.

1/[NOBr]t - 1/[NOBr]0 = kt

1/[1.5 × 10^-3] - 1/[4 × 10^-3] = 0.810 t

t = [1/0.0015 - 1/0.004] / 0.810
t = 92.6 seconds

Therefore, the time taken for the reaction to use up 1.5 × 10^-3 M NOBr is 92.6 seconds.

Answer: (a) 92.6 seconds
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The gas phase decomposition of NOBr is second order in second order in NOBr with k = 0.810 at 10 degree Celsius we start with 4×10^-3 M NOBr in a flask at 10 degree Celsius how many seconds does it take to use up 1.5×10^-3 M NOBr 2NOBr gives 2NO Br2 ,rate=k[NOBr]^2 ? Options are a 92.6 b 9.26 c 926 d 0.926 sec?
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The gas phase decomposition of NOBr is second order in second order in NOBr with k = 0.810 at 10 degree Celsius we start with 4×10^-3 M NOBr in a flask at 10 degree Celsius how many seconds does it take to use up 1.5×10^-3 M NOBr 2NOBr gives 2NO Br2 ,rate=k[NOBr]^2 ? Options are a 92.6 b 9.26 c 926 d 0.926 sec? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about The gas phase decomposition of NOBr is second order in second order in NOBr with k = 0.810 at 10 degree Celsius we start with 4×10^-3 M NOBr in a flask at 10 degree Celsius how many seconds does it take to use up 1.5×10^-3 M NOBr 2NOBr gives 2NO Br2 ,rate=k[NOBr]^2 ? Options are a 92.6 b 9.26 c 926 d 0.926 sec? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The gas phase decomposition of NOBr is second order in second order in NOBr with k = 0.810 at 10 degree Celsius we start with 4×10^-3 M NOBr in a flask at 10 degree Celsius how many seconds does it take to use up 1.5×10^-3 M NOBr 2NOBr gives 2NO Br2 ,rate=k[NOBr]^2 ? Options are a 92.6 b 9.26 c 926 d 0.926 sec?.
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