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Rufina [12.5K]
3 years ago
7

Does water gain or release energy when evaporated into water vapor?

Chemistry
1 answer:
lawyer [7]3 years ago
7 0

It receives heat energy.

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san4es73 [151]

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E) All of the above.

Explanation:

Hello,

Since the acidic nature of the HCl implies its corrosiveness, when it is in contact with the skin and eyes the burning starts immediately, so gloves and goggles must be worn. Next, the fuming hydrochloric acid (37% by mass) is volatile so it gives off even when dissolved into water, so it must be used in the fume hood. Then, since vapors are produced during the chemical reaction, an overpressure could be attained, that's why we must keep the glass sash of the fume hood between us and the vial. As a common risk, the vial could be dropped causing the hydrochloric acid to splash, so we must keep the vial well inside the hood.

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3 years ago
When molten candle wax solidifies is that a chemical reaction or not?l
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Basically Wax is crystalline so once the candle light melts it freezes taking back the solid state to the room temperature.

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Indeed, Yes, when molten candle wax solidifies it is a chemical reaction

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3 years ago
what happen when carbon dioxide is passed through water for short time and for long time?explain with chemical reaction.​
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Expert Verified

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For short duration: ... When excess of carbon dioxide gas is passed through lime water then the white precipitate calcium carbonate formed first dissolves due to the formation of a soluble salt calcium hydrogen carbonate (Ca(HCO3)2, and the Solution becomes clear again

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