Ethane, C 2 H 6 , forms CH 3 radicals at 700. C in a first-order reaction,


Ethane, C2H6, forms ·CH3 radicals at 700. °C in a first-order reaction, for which kr = 1.98 h–1.

(a) What is the half-life for the reaction? 

(b) Calculate the time needed for the amount of ethane to fall from 2.26 * 103 mol to 1.45 * 10–4 mol in a reaction vessel of volume 500. mL at 700. °C. 

(c) How much of a sample of ethane with mass of 5.44 mg placed in a reaction vessel of 500. mL volume at 700. °C will remain after 42 min?

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Chemical Principles The Quest For Insight

ISBN: 9781464183959

7th Edition

Authors: Peter Atkins, Loretta Jones, Leroy Laverman

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