3. Plot the 40°C data. What is the order of the reaction for [Fe(Phen)3]*2 at 45 °C?

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i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)

answer carbon and three oxygen atoms;

alchemy hadn't scientific methods of study, appeal to mysticism and fantasy, the knowledge of chemistry and physics were modest at that time.

alchemy was - but as new rules were discovered it either changed into chemistry or it became "unscientific".