Question

what does one mean by exothermic and endothermic reaction? given example.​

Answer 1

Answer:

Exothermic Reaction: A chemical reaction in which heat is given out is known as exothermic reaction. For example. Endothermic Reaction: A chemical reaction in which heat energy is absorbed is known as endothermic reaction.

Answer 2

Answer:

endothermic reaction -

• A reaction that the system absorbs energy from its surrounding in the form of heat.
• The energy is absorbed from the surrounding into the reaction
• Energy in the form of heat
• Melting ice, evaporation, cooking, gas molecules, photosynthesis are a few examples.

exothermic reaction -

• A reaction that releases energy from the system in the form of heat.
• The energy is released from the system to its environment
• Energy is released as heat, electricity, light or sound.
• Rusting iron, settling, chemical bonds, explosions, nuclear fission are a few examples.

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