Endothermic and Exothermic Reactions (2)

Instant cold packs

Used to absorb heat from the surroundings

Uses of instant cold packs

Reduce swelling of wounds

Uses of instant hot packs

Relieve muscle cramp

Measuring device to determine exothermic or endothermic reaction

Thermometer

A rise in the reading of thermometer

Exothermic reaction occurs

Examples of endothermic reactions (7)

The heating of calcium carbonate

Examples of exothermic reactions (7)

The reaction between hydrochloric acid and sodium carbonate

Examples of endothermic reactions (8)

The reaction between hydrochloric acid and sodium hydrogen carbonate

Examples of exothermic reactions (8)

The thermite reaction

The importance of replanting trees in addressing the global climate problem

Replanting trees will increase the rate of photosynthesis because photosynthesis is an endothermic reaction in which heat will be absorbed from the environment and will cause the

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Endothermic and Exothermic Reactions (2)

Endothermic and Exothermic Reactions (2)