The progress of a reaction in the aqueous phase was monitored by the absorbance of a reactant at various times: Time/s 0 54 171 390 720 1010 1190 Absorbance 1.67 1.51 1.24 0.847 0.478 0.301 0.216 Determine the order of the reaction and the rate constant.

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1. they vary with a higher number because boiling is way hotter than melting

"record the time to complete a chemical reaction" would most likely be part of a lab procedure.