Question

At 500 oC cyclopropane (C3H6) rearranges to propene (CH3CHCH2) as shown by C3H6(g) -->CH3CHCH2(g). The reaction...

At 500 oC cyclopropane (C3H6) rearranges to propene (CH3CHCH2) as shown by C3H6(g) -->CH3CHCH2(g). The reaction is first-order with a half-life of 17 minutes. How long will it take for the concentration of C3H6 to drop to 12.5% of its initial value at 500 oC?  

0 0
Add a comment Improve this question Transcribed image text
Answer #1

Found using equation for first order reaction.

Given ty - 14 minutes Rate const, k = 0.699 0.693 0.04076 min t/ Ke 2.3031 + t = 2.303 K log(ar) ta 2.303 (100 12.5 0.04076

Add a comment
Know the answer?
Add Answer to:
At 500 oC cyclopropane (C3H6) rearranges to propene (CH3CHCH2) as shown by C3H6(g) -->CH3CHCH2(g). The reaction...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • At 500 ∘C, cyclopropane (C3H6) rearranges to propene (CH3−CH=CH2). The reaction is first order, and the...

    At 500 ∘C, cyclopropane (C3H6) rearranges to propene (CH3−CH=CH2). The reaction is first order, and the rate constant is 6.7×10−4s−1. If the initial concentration of C3H6 is 5.50×10−2 M . What is the molarity of C3H6 after 30 min ? How many minutes does it take for the C3H6 concentration to drop to 1.00×10−2 M ? How many minutes does it take for 25% of the C3H6 to react? Express all the answers in two significant figures.

  • 2. At 500 °C, cyclopropane (C3H6) rearranges to propene (CH3CH=CH2): C3H6 (g) → CH3CH=CH2 (8) The reaction is first...

    2. At 500 °C, cyclopropane (C3H6) rearranges to propene (CH3CH=CH2): C3H6 (g) → CH3CH=CH2 (8) The reaction is first order and the rate constant is 6.7 x 10-4 5-1. (a) What is the rate law for the reaction, and; (b) if the initial concentration of C3H6 is 0.100 M, what is the concentration of cyclopropane of after 20 min?

  • At 500 ∘ C , cyclopropane ( C 3 H 6 ) rearranges to propene (...

    At 500 ∘ C , cyclopropane ( C 3 H 6 ) rearranges to propene ( CH 3 −CH= CH 2 ). The reaction is first order, and the rate constant is 6.7× 10 −4 s −1 . If the initial concentration of C 3 H 6 is 5.50×10−2 M . Part A Part complete What is the half-life (in minutes) of this reaction? Express your answer using two significant figures. t 1/2 = 17 min SubmitPrevious Answers Correct Part...

  • Cyclopropane (C3H6) reacts to form propene (C3H6) in the gas phase. The reaction is first order...

    Cyclopropane (C3H6) reacts to form propene (C3H6) in the gas phase. The reaction is first order in cylclopropane and has a rate constant of 5.87×10-4s-1 at 485 degrees C. Enter your time in minutes to three significant figures. If a 2.3 -L reaction vessel initially contains 722 torr of cyclopropane at 485 degrees C, how long in minutes will it take for the partial pressure of cylclopropane to drop to below 100 torr?

  • Cyclopropane rearranges to form propene in the gas phase. Part A If the initial cyclopropane concetration...

    Cyclopropane rearranges to form propene in the gas phase. Part A If the initial cyclopropane concetration is 0.0540 M what is the cyclopropane concentration after 285 minutes? Express your answer with the appropriate units. CH2 HC-CH2 CH3-CH=CH2 μΑ ? Value Units The reaction is first order in cyclopropane and has a measured rate constant of 3.36 x 10-5s-1 at 720 K

  • Cyclopropane rearranges to form propene in the gas phase. Constant Part A If the initial cyclopropane...

    Cyclopropane rearranges to form propene in the gas phase. Constant Part A If the initial cyclopropane concetration is 0.0410 M, what is the cyclopropane concentration after 225 minutes? Express your answer with the appropriate units. CH HC-CH CH ---CH=CH, HA ? Value Units The reaction is first order in cyclopropane and has a measured rate constant of 3.36 x 10's-1 at 720 K. You may want to reference (Pages 635 - 641) Section 14.4 while completing this problem Submit Request...

  • Cyclopropane was used in a mixture with oxygen as an anesthetic. When heated, cyclopropane rearranges to...

    Cyclopropane was used in a mixture with oxygen as an anesthetic. When heated, cyclopropane rearranges to propene in a first-order process. If the initial concentration is 0.050 mol/L how much time (in hours) must elapse for its concentration to drop to 0.010 mol/L ? k is 2.42 h-1

  • Constants Periodic Table Cyclopropane rearranges to form propene in the gas phase Part A If the...

    Constants Periodic Table Cyclopropane rearranges to form propene in the gas phase Part A If the initial cyclopropane concetration is 0.0475 M. what is the cyclopropane concentration after 227 minutes? Express your answer with the appropriate units. CH MÅ ? нс-Сн, CHY-CH-CH: Value Units The reaction is first order in cyclopropane and has a measured rate constant of 3.36 x 10-8-- at 720 K You may want to reference (Pages 635.641) Section 14.4 while completing this problem Submit Request Answer

  • Cyclopropane rearranges to form propene in the gas phase. Constants Periodic Table Part A - If...

    Cyclopropane rearranges to form propene in the gas phase. Constants Periodic Table Part A - If the initial cyclopropane concetration is 0.0445 M. what is the cyclopropane concentration after 251 minutes? Express your answer with the appropriate units. CH, H₂CH₂ CH3-CH=CH μΑ ? Value Units The reaction is first order in cyclopropane and has a measured rate constant of 3.36 x 10-ºsat 720 K. You may want to reference (Pages 635-641) Section 14.4 while completing this problem. Submit Request Answer...

  • Constants I Periodic Table Cyclopropane rearranges to form propene in the gas phase Part A If...

    Constants I Periodic Table Cyclopropane rearranges to form propene in the gas phase Part A If the initial cyclopropane concetration is 0.0600 M , what is the cyclopropane concentration after 250 minutes? Express your answer with the appropriate units. CH2 HC-CH2 CH3 -CH=CH НА ? Value Units The reaction is first order in cyclopropane and has a measured rate constant of 3.36 x 10-5s-1 at 720 K. You may want to reference (Pages 635 - 641) Section 14.4 while completing...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT