WAEC - Chemistry (2018 - No. 7)
A reaction is endothermic if the
reaction vessel feels cool during the reaction
enthalpy change is negative
bond forming energy exceeds bond breaking energy
heat of formation of reactants exceeds heat of formation of products
Explanation
Endothermic reactions absorb heat from their surroundings during the reaction process. This means that in the course of the reaction the vessel being used in the reaction will be cool in the process.
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