Rate laws are commonly determined using a table of various initial concentrations and initial rates. The...

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Rate laws are commonly determined using a table of various initial concentrations and initial rates. The...

Rate laws are commonly determined using a table of various initial concentrations and initial rates. The experimental data measured for reaction A --> 2 B + C at 25 ◦C are listed in the following table.

[A]0, (M) r (M/s)

0.45, 6.165 × 10−3

0.9, 1.233 × 10−2

1.8, 2.466 × 10−2

3.6 ?

(a) Determine the order of the reaction. Explain why.

(b) Determine the rate constant (including the unit).

(c) Determine the missing rate in the table above. Show your work.

(d) Determine the half-life of this reaction and complete the following table. Show your work.

[A]0 (M) t1/2 (s)

0.45

0.9

1.8

3.6

science chemistry

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Answer 1

Answer #1

a) from exp , doubling the concentration of [A], the rate also doubles in order of CA] =1 s=k[A] 6) from expo 6.165 x103 = 1

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Answer 2

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