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Vika [28.1K]
3 years ago
14

Does a change of phase produce a new substance? Explain. Please help me on this ❤

Chemistry
1 answer:
Brums [2.3K]3 years ago
3 0
Liquid, solid, and gas are all different substances
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3 years ago
How is the scientific definition of "heat" different from how we use it every day? PLEASE NEED THE ANSWER ASAP
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3 years ago
What does an emission spectrum show?
IrinaVladis [17]

It shows the type of atoms/elements in a substance

Different types of atoms have different emission spectrum - a concept supported by Bohr quantum theory - hence one is able to identify elements in a substance using a method called spectroscopy.

Explanation:

When an electron jumps from a low energy orbital to a higher energy orbital in an atom, it absorbs a specific wavelength of electromagnetic radiation (This is called absorption spectrum). Vice versa, if the same electron jumps from a higher to a lower energy orbital it releases the equivalent quantum energy in electromagnetic wave (This is called emission spectrum). Different types of atoms of different elements have a unique spectrum identifier.

Learn More:

Learn more about spectroscopy;

brainly.com/question/3822641

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2 years ago
The chemical formula for ethanol is C2H601.How many total atoms are in 30 molecules of ethanol?
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There are two carbon atoms in every ethanol molecule, so there would be 60 carbons all together.

I hope this helped you!
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