Answer:
heated test tube in cold water
Answer:
Aldehydes derive their name from the dehydration of alcohols. Aldehydes contain the carbonyl group bonded to at least one hydrogen atom. Ketones contain the carbonyl group bonded to two carbon atoms. Aldehydes and ketones are organic compounds which incorporate a carbonyl functional group, C=O
Explanation:
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Boiling point.
It is the temperature at which the vapor pressure of the liquid equals the vapor pressure of tha atmosphere that surrounds it, which permit to defeat the attraction among the molecules in the liquid phase and pass to the gas phase.
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Answer:
When an electron absorbs energy, it will move up from a lower energy level to a higher energy level, called the "excited state" of the negatively-charged subatomic particle.
