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Evaporation of water is
- a)An exothermic change
- b)An endothermic change
- c)A process where no heat changes occur
- d)A process accompanied by chemical reaction
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Evaporation of water isa) An exotherm...
Evaporation of water is an endothermic change. This means that during the process of evaporation, energy is absorbed from the surroundings, resulting in a decrease in temperature of the surroundings.
Explanation:
Evaporation is a process in which water molecules on the surface of a liquid gain enough energy to break free from the liquid and become a gas. This process requires energy, which is obtained from the surroundings. When the water molecules gain energy, they move faster and collide with each other more frequently, which increases the rate of evaporation.
During the process of evaporation, the water molecules absorb energy from the surroundings, which results in a decrease in temperature of the surroundings. This is because the energy that is absorbed by the water molecules is taken from the surroundings, which causes a cooling effect. This is why we feel cool when we sweat on a hot day, as the sweat evaporates and cools our skin.
Conclusion:
In conclusion, the process of evaporation is an endothermic change because it requires energy from the surroundings in order for water molecules to break free from the liquid and become a gas. This results in a decrease in temperature of the surroundings, making it a cooling process.
Explanation:
Evaporation is a process in which water molecules on the surface of a liquid gain enough energy to break free from the liquid and become a gas. This process requires energy, which is obtained from the surroundings. When the water molecules gain energy, they move faster and collide with each other more frequently, which increases the rate of evaporation.
During the process of evaporation, the water molecules absorb energy from the surroundings, which results in a decrease in temperature of the surroundings. This is because the energy that is absorbed by the water molecules is taken from the surroundings, which causes a cooling effect. This is why we feel cool when we sweat on a hot day, as the sweat evaporates and cools our skin.
Conclusion:
In conclusion, the process of evaporation is an endothermic change because it requires energy from the surroundings in order for water molecules to break free from the liquid and become a gas. This results in a decrease in temperature of the surroundings, making it a cooling process.
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Community Answer
Evaporation of water isa) An exotherm...
Evaporation of water is a process in which the water is first taken to a temperature of 373.15K and then the water is given the energy to convert the liquid molecules into vapour molecules.
Hence, in both the process, raising the temperature as well as in phase change energy is required.
And since, any reaction in which energy is required is an endothermic process.
Hence, the answer is option D.
Hence, in both the process, raising the temperature as well as in phase change energy is required.
And since, any reaction in which energy is required is an endothermic process.
Hence, the answer is option D.
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Evaporation of water isa) An exothermic change b) An endothermic change c) A process where no heat changes occur d) A process accompanied by chemical reaction Correct answer is option 'B'. Can you explain this answer?
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Evaporation of water isa) An exothermic change b) An endothermic change c) A process where no heat changes occur d) A process accompanied by chemical reaction Correct answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Evaporation of water isa) An exothermic change b) An endothermic change c) A process where no heat changes occur d) A process accompanied by chemical reaction Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Evaporation of water isa) An exothermic change b) An endothermic change c) A process where no heat changes occur d) A process accompanied by chemical reaction Correct answer is option 'B'. Can you explain this answer?.
Evaporation of water isa) An exothermic change b) An endothermic change c) A process where no heat changes occur d) A process accompanied by chemical reaction Correct answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Evaporation of water isa) An exothermic change b) An endothermic change c) A process where no heat changes occur d) A process accompanied by chemical reaction Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Evaporation of water isa) An exothermic change b) An endothermic change c) A process where no heat changes occur d) A process accompanied by chemical reaction Correct answer is option 'B'. Can you explain this answer?.
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