Question

Distinguish between the exothermic and endothermic reaction

Answer 1

Answer :

• Endothermic - Heat absorbing.
• Exothermic - Heat releasing.

Explanation :

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• Endothermic reactions are those which require/absorb energy to occur.
• Exothermic reactions are those which release energy along with the formation of products(when the reaction occurs).

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• In endothermic reactions, the energy is absorbed in any of the following forms: heat, light or electricity.
• In exothermic reactions, the energy is released only in the form of heat.

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• In an endothermic reaction, energy is absorbed from the surroundings into the the reaction(temperature of the surroundings will decrease).
• In an exothermic reaction, energy is released from the reaction to the surroundings(temperature of the surroundings will increase).

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• Photosynthesis, melting of ice, melting of solid salts are some of the examples of endothermic reactions.
• Rusting of iron, burning of candles, freezing of water to form ice cubes are some of the examples of exothermic reactions.

Answer 2

Answer:

• Endothermic - Heat absorbing.

• Exothermic - Heat releasing.

• Explanation :

1. Endothermic reactions are those which require/absorb energy to occur.
2. Exothermic reactions are those which release energy along with the formation of products(when the reaction occurs).

• In endothermic reactions, the energy is absorbed in any of the following forms: heat, light or electricity.

• In exothermic reactions, the energy is released only in the form of heat.

• In an endothermic reaction, energy is absorbed from the surroundings into the the reaction(temperature of the surroundings will decrease).

• In an exothermic reaction, energy is released from the reaction to the surroundings(temperature of the surroundings will increase).

• Photosynthesis, melting of ice, melting of solid salts are some of the examples of endothermic reactions.

• Rusting of iron, burning of candles, freezing of water to form ice cubes are some of the examples of exothermic reactions.

Explanation:

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