For the reaction ( 3 CH4 --> C3H8 + 2H2 ), a table of [CH4] vs. time is shown. What is the differential Rate Law and h

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For the reaction ( 3 CH4 -->C3H8 + 2H2 ), atable of [CH4] vs. time is shown. What is thedifferential Rate Law and how can you tell? What is the rateconstant? Write your final answer in exactly the form of"Rate = #.# units [CH4]^n" where #.# is the Rate constant expressedwith 2 sig figs and n is the order with respect to CH4(copy andpaste the above template and change the "#.#" to the appropriatenumber, replace "units" with the appropriate units of the rateconstant, and replace "n" with the appropriate number correspondingto the order of the reaction.
Time (s) [CH4] (M)
0 0.200
5 0.0282
10 0.0156
15 0.0106
20 0.0080