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What is the enthalpy change of a reaction at 90oC, if the enthalpy of reactant at 90oC and 25oC are 60 J and 25 J, and enthalpy of product at 90oC and 25oC are 80 J and 10 J, and the enthalpy change of reaction at 25oC is 5 J?

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Topics in this quiz include: Energy balance simplifications and solving, open and closed energy balance applications, enthalpy of formation and reaction, heat of combustion and the concepts of heat merging.
 


What is the enthalpy change of a reaction at 90<sup>o</sup>C, if the enthalpy of reactant at 90<sup>o</sup>C and 25<sup>o</sup>C are 60 J and 25 J, and enthalpy of product at 90<sup>o</sup>C and 25<sup>o</sup>C are 80 J and 10 J, and the enthalpy change of reaction at 25<sup>o</sup>C is 5 J?






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