Heat exchange and energy flow

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8 Terms

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Exothermic reaction

gives off heat to the surroundings, increase in temp.

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Endothermic reaction

Absorbs heat from surroundings, decrease in temp.

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Enthalpy

the measure of total heat content in a system. 

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When Enthalpy is negative 

it is an exothermic reaction

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when Enthalpy is positive

it is an endothermic reaction

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Heat capacity equation

q = mC(Tf-Ti)

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Specific heat capacity equation

C = q/m(Tf - Ti)

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calculating enthalpy of the reaction

Enthalpy of reactants - Enthalpy of products