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Sagot :
The combined reaction is exothermic , with the heat of reaction as -206.7 kJ
What is an Exothermic Reaction ?
A reaction in which energy is liberated when reactants react to form products , The energy level of the reactant is more than that of the products.
The energy is liberated in the form of heat.
In the question it is given that
The energy changes in two partial reactions are 225.3 kJ and -432.0 kJ
The combined reaction is exothermic.
For the reaction to be exothermic the value of the heat of the reaction must be negative.
Summing the two energy changes will give us the heat of the combined reaction.
225.3 - 432.0
= -206.7 kJ
The combined reaction is exothermic , with the heat of reaction as -206.7 kJ.
To know more about Exothermic Reaction
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