Question

exothermic and endothermic reaction difference ​

Answer 1

Answer:

The difference between exothermic and endothermic reactions are given below:-

Exothermic reactions:

• If "chemical reactions" release energy into their surroundings, it is called as exothermic reactions.

• In this reaction, the temperature increases during the progress of the reaction.

• Reactants enthalpy is higher than the products.

• Enthalpy change is negative.

Endothermic reactions:

• If the chemical reactions absorb the heat energy from their surroundings, it is called exothermic reactions.

• In this reaction, the temperature will decrease during the progress of reactions.

• Reactants enthalpy is lower than the products.

• Enthalpy change is positive."

Answer 2

Answer:

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Endothermic Reaction:-

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