Question: pls help ASAP, multiple choice questions: no need to show full computation I am just checking my work For a certain reaction, the half-life is

pls help ASAP, multiple choice questions: no need to show full computation I am just checking my work

For a certain reaction, the half-life is 15 minutes when the concentration of the reactant is 0.2M and 30 minutes when the concentration is 0.1M, what is the order of the reaction? Third Second Zero First

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