7. Explain why ethylated spirit at room temperature when dropped at the back of the palm makes
the palm to feel very cold.
(2 Marks)

Question

02-01-2021
Chemistry

Answered

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7. Explain why ethylated spirit at room temperature when dropped at the back of the palm makes
the palm to feel very cold.
(2 Marks)

Sagot :

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varghesemvaidyan varghesemvaidyan · Answer 1 · 2021-01-02T02:56:24-05:00

varghesemvaidyan varghesemvaidyan

02-01-2021

Answer:

Evaporation is very important in the cooling of surfaces. If we put a drop of methylated spirit on our hand the methylated spirit will soon evaporate and our hand feels cold. The molecules of methylated spirit get the energy they need from our hand, leaving the molecules of the hand with less energy and so colder.

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JennaMay14 JennaMay14 · Answer 2 · 2021-01-02T03:08:58-05:00

JennaMay14 JennaMay14

02-01-2021

Shapes are all around us there in all you see
So the answer is A

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Sagot :

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