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pochemuha
3 years ago
6

Name the changes of state described: painted fence dryingplease help ASAP​

Chemistry
1 answer:
inn [45]3 years ago
6 0
Liquid to solid i think
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Decide whether the compound is ionic or molecular, if you can.
Aleks [24]

Answer:

Ionic solid

Explanation:

Ionic solids are known to be hard solids. They do not conduct electricity in the solid state, however the solution of the solid or it's melt conducts electricity.

Ionic solids have a very high melting point due to strong ion-ion interaction. Hence the high melting point of this solid.

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Write the net ionic equation for the reaction that takes places between aqueous copper and nitrate.
PIT_PIT [208]

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Cu+HNO3

Explanation:

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Why would scientists use a spectrometer in space.
solniwko [45]

Answer:

A. To study the chemical composition of the surface of a planet

Explanation:

Strictly speaking, a spectrometer is any instrument used to view and analyze a range (or a spectrum) of a given characteristic for a substance (for example, a range of mass-to-charge values as in mass spectrometry), or a range of wavelengths as in absorption spectrometry like nuclear magnetic radiation spectroscopy

-hope this helps!

6 0
2 years ago
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I will give brainliest and 76 points
katen-ka-za [31]

Answer:

number 5 is the answer

Explanation:

8 0
2 years ago
Valence Bond theory predicts that tin will use what hybrid orbitals in Snf5 -1​
LUCKY_DIMON [66]

Answer:

sp3d

Explanation:

The ground state electronic configuration of tin is written as; [Kr] 5s²4d¹⁰5p². Hybridization is a concept used to explain the combination of orbitals of appropriate energy to produce suitable orbitals that could be used for bonding.

In forming the compound Snf5^ -1, we have to hybridize the following orbitals on tin; 5p, 5d and 6s orbitals. This gives us a set of sp3d hybrid  hence the answer.

6 0
2 years ago
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