#chemistry

#whatisewothermicandendothermicreaction

lesson 5.3 pg:no 74

Exothermic reaction

• Exo=exit , Thermic=heat .

• These reactions give out energy in several ways like .

• Heat , Light , Sound , Electricity .

• It is also called down hill reaction because product have less energy than reaction .

Endothermic reaction

• Endo=to go in , Thermic=heat .

• These reaction take in energy in many ways like .

• Ice melting .

• Photosynthesis .

• It is also called a up hill reaction because reaction have less energy than products .