Essential Chemistry for IGCSE - Chemical Reactions (Section 1 - No. 12)
If a reaction is exothermic, which of the following statements is true?
Heat is absorbed from the surroundings.
The products have higher energy than the reactants.
The enthalpy change (ΔH) is positive.
Heat is released to the surroundings.
Explanation
Exothermic reactions release heat; enthalpy change is negative.
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