The conversion of cyclopropane to propene in the gas phase is a first-order reaction with a rate constant of 6.7 x 10-4 s -1 at 500 C. Cyclopropane (CH2CH2CH2) -- CH3-CH=CH2 (propene) If the initial concentration of the reactant was 0.25 M, what is the concentration after 8.8 min?

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Answer:

[tex]C_f=0.1755M[/tex]

Explanation:

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Based on the information and the units of the given data, the integrated rate law turns out into:

[tex]\frac{dC}{dt}=-kC\\ C_f=C_0exp(-kt)\\C_f=0.25M*exp(-6.7x10^{-4}s^{-1}*8.8min*\frac{60s}{1min} )\\C_f=0.1755M[/tex]

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The correct answer is cf is 0.1755

What is a hydrocarbon?

  • Hydrocarbon, any of a class of organic chemical compounds composed only of the elements carbon and hydrogen.

According to the question,

[tex]\frac{dC}{dt}= -kC[/tex]

[tex]C_f = C_oexp(-kt)\\C_f=0.25M*exp(-67*10^{-4}*8.8*60)\\C_f=0.1755[/tex]

Hence, the correct answer is 0.1755.

For more information about the hydrocarbon, refer to the link:-

https://brainly.com/question/7932885