Assertion: exothermic reaction's surrounding | /r/HasProperty | example
Facets:
Source sentences:
text: heat is liberated and transferred from the chemicals to the surroundings heat is absorbed and transferred from the surroundings to the reactants DH is negative: chemicals lose energy to the surroundings DH is positive: chemicals gain energy from the surroundings products have less energy than the reactants: heat energy is lost to the surroundings products have more energy than the reactants: heat energy is gained from the surroundings Examples: - Dissolving NaOH in water - Neutralisation - Combustion of fuels - Rusting of iron, corrosion of metals - Respiration Examples: - Dissolving some salts in water: