Essential Chemistry for IGCSE - Chemical Changes (Section 2 - No. 14)
Which of the following is a characteristic of an exothermic reaction?
The reaction absorbs heat from the surroundings.
The energy of the products is greater than the energy of the reactants.
The temperature of the surroundings increases.
The enthalpy change (ΔH) is positive.
Explanation
In an exothermic reaction, heat is released, which causes the temperature of the surroundings to increase.
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