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svet-max [94.6K]
3 years ago
9

A chemical formula is an expression used to represent

Chemistry
1 answer:
Evgen [1.6K]3 years ago
8 0

Answer:

A chemical formula is an expression that shows the elements in a compound and the relative proportions of those elements.

Explanation:

If only one atom of a specific type is present, no subscript is used. For atoms that have two or more of a specific type of atom present, a subscript is written after the symbol for that atom

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Convert 6.42 moles of H2O to molecules
Ivahew [28]

Answer:

3.87 x 10^24

Explanation:

Simply multiply the moles by avogadros number

6.42 moles of H2O x 6.022 x 10^23 molecules/1 mole of H2O = 3.87 x 10^24 molecules of H2O

4 0
3 years ago
Vaporization is the reverse of
IRINA_888 [86]
 <span>Since Vaporization is when liquid turn to gas then the opposite of that would be Condensation because condensation is when gas turns to liquid <-- see complete opposites :D</span>
3 0
3 years ago
Draw a condensed structure of each of the following
MrRa [10]

The condensed structure of given compounds are shown in the below image.

<h3>What is functional group?</h3>

Functional group is the specific group which is present in an organic compound gives information about the properties of that compound.

  • In 1,2-propanediol compound hydroxyl functional group is present on the 1st and 2nd position.
  • In Ethyl methyl ether, ether functional group is present.
  • In Dichloromethane, two atoms of chlorine groups are present.

Hence, structure of the given compounds are shown in the below image.

To know more about functional group, visit the below link:

brainly.com/question/6028840

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7 0
2 years ago
When salt is mixed in water, what is the salt and water? A)salt is the solution, water is the solute. B)salt is the solvent, wat
solniwko [45]

Answer:

in a solution of salt in water, the solute is salt, and solvent is water.

Explanation:

C) salt is the solute, water is the solvent.

5 0
2 years ago
Periodic table of elements
Sidana [21]

Vertical Column is a group

Horizontal is Period

Aliki earth metals is a group

Lithium- Neon is both

Based on electrons are both

Number of electron shells is both

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