Energetics
, Exothermic reactions
Chemical energy is released
Products have less energy than the reactants
Takes less energy to break bonds than make them
Surroundings get hotter
Examples:
Combustion
Metals with acids
Neutralisation
Adding water to calcium oxide
Respiration
, Exothermic reactions
Chemical energy is released
Products have less energy than the reactants
Takes less energy to break bonds than make them
Surroundings get hotter
Examples:
Combustion
Metals with acids
Neutralisation
Adding water to calcium oxide
Respiration