Question
Asked Oct 15, 2019

What is the rate? and what is the rate constant? 

 

The decomposition of HOF occurs at 25 °C
HF(g) 1/2 O2(g)
HOF(g)
Using the data in the table below, determine the rate law, and then calculate the rate constant
HOF (mol/L) Time (min)
0.850
0
0.810
2.00
0.754
5.00
20.0
0.526
0.243
50.0
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The decomposition of HOF occurs at 25 °C HF(g) 1/2 O2(g) HOF(g) Using the data in the table below, determine the rate law, and then calculate the rate constant HOF (mol/L) Time (min) 0.850 0 0.810 2.00 0.754 5.00 20.0 0.526 0.243 50.0

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Step 1

The decomposition of HOF is given at 25 0C as follows:

HOF(g)HF(g)
+-02(g)
2
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HOF(g)HF(g) +-02(g) 2

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Step 2

In the given balanced chemical reaction, the reaction based on only one reactant which means it represents first order reaction. Therefore, the rate law for the first order reaction can be represented as follows:

rate k[HOF
НОЕ
Here
k=rate constant
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rate k[HOF НОЕ Here k=rate constant

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Step 3

In the balanced chemical reaction, the equation for the f...

HOF
log
[нOF]
2.303
Here
HOFinitial concentration of HOF
HOF the concentration of HOF after time
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HOF log [нOF] 2.303 Here HOFinitial concentration of HOF HOF the concentration of HOF after time

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