Time and concentration data were collected for the reaction C₄H₈ 2 C₂H₄ at a certain temperature.

Time (s)	[C4H8] (M)
0.00	0.942
25.0	0.805
50.0	0.703
75.0	0.612
100.0	0.528
125.0	0.459
150.0	0.403
175.0	0.345
200.0	0.304

Determine the order of the reaction and rate constant at this temperature.

Determine the half-life for the reaction at the initial concentration.

Determine the amount of time it will take for 75.2% of the C₄H₈ to convert to C₂H₄.