Essential Chemistry for IGCSE - Chemical Changes (Section 2 - No. 18)
Which of the following is true for an exothermic reaction?
Energy is released.
The temperature of the surroundings increases.
The energy of the products is greater than the reactants.
The enthalpy change (ΔH) is negative.
Explanation
Exothermic reactions release energy (heat), increasing the surroundings' temperature, and have a negative ΔH.
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