The first-order rate constant for the conversion of cyclobutane, C4H8, to ethane, C2H4 is 87.0s-1 :   C4H8  ----------->   2 C2H4 a) What is the rate law expression? b) What is the half-life for this reaction in seconds? c) A reaction is started with 4.00g of cyclobutane in a 1.00L gas cylinder, how long in seconds would it take to consume 3.10g of cyclobutane? Be sure to convert to M. d) A reaction is started with 1.25M cyclobutane, what is the concentration of cyclobutane after 45.0minutes?

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