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At 500 °C, cyclopropane (C3H6) rearranges to propene (CH3CH=CH2): C3H6 (g) ------> CH3CH=CH2 (g) The reaction is first...

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Chemistry

At 500 °C, cyclopropane (C3H6) rearranges to propene(CH3CH=CH2):

C3H6 (g) ------> CH3CH=CH2 (g)

The reaction is first order and the rate constant is 6.7 x 10-4s-1. (a) What is the rate law for the reaction, and; (b) if theinitial concentration of C3H6 is 0.100 M, what is the concentrationof cyclopropane of after 20 min?

3. Butadiene (C4H6) reacts with itself at 250 °C to form a dimerwith the formula C8H12.

2 C4H6 (g) ----> C8H12(l)

The reaction is second order in C4H6. (a) What is the rate lawfor the reaction, and; (b) if the rate constant is 4.0 x 10-2M-1.s-1, and the initial concentration ofC4H6 is 0.200 M, how longwill it take for the concentration of C4H6 to reach 0.04 M?

4.         a) In Q. 2 abovewhat is the half life for the reaction and what is concentration ofC3H6 after 3 half-lives b) In Q. 3 above howlong are the first and second half-lives?

help with question 2, 3 and 4. i already did them, i just wantto compared answers so please show steps.

Answer & Explanation Solved by verified expert
4.1 Ratings (741 Votes)
2 a Rate d C3H6 dt 67 104C3H6 This is the rate law for the first order reaction b ln A lnAo Kt A Ao 0100M t20 min    See Answer
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