The temperature dependence of rates of two chemical reactions was investigated experimentally. The rate of reaction A increased by a factor of 3.5 as the temperature was increased. The rate of reaction B increased by a factor of 8.3 in the same temperature range. Which statement concerning the two reactions is true? Group of answer choices 1. Reaction B is more exothermic than reaction A. 2.The activation energy of reaction A is larger than the activation energy of reaction B. 3.The overall order of reaction B is larger than the overall order of reaction A. 4.The overall order of reaction A is larger than the overall order of reaction B. 5.The activation energy of reaction B is larger than the activation energy of reaction A.

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