A 35.0 g piece of metal wire is heated, and the temperature changes from 21 °C to 52 °C. The specific heat of the metal is 0.900 J/g.°C. How much energy was required to heat the metal?

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The answer should be vaporization 

Idon’t know what the answer is i wish i could

Rate law for this reaction israte of the reaction = k[a]²[b].second order in a  means concentration of a in power of two, and  first order in b means concentration of b in power of one.