Examples of exothermic changes. Combustion, neutralisation, displacement, condensation. Examples of endothermic changes. Vaporisation, mel ting. Example of a temperature change that might occur in an exothermic reaction.
In an exothermic reaction, the temperature of the surroundings will... increase. In an endothermic reaction, the temperature of the surroundings will... decrease. A reaction in which the reactants have more energy than the products. exothermic. A reaction in which the products have more energy than the reactants.
baking a cake. endothermic - HEAT ENTERS, CAKE MUST BECOME WARM TO BAKE. (when the cake is in the over the oven must keep putting more heat in to cook the cake). cooking an egg. endothermic - HEAT ENTERS, EGG MUST BECOME WARM TO COOK.