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emmainna [20.7K]
3 years ago
9

In our simulation what did the σ (sigma) stand for?

Chemistry
1 answer:
soldier1979 [14.2K]3 years ago
6 0

Answer:

C -The atomic radius

Explanation:

I took the test :)

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Write a balanced equation describing each of the following chemical reactions:
shusha [124]

Explanation:

( a )

The decomposition reaction of KClO₃ to form diatomic oxygen gas is the following way -

2  KClO₃ ( s )  -------> 2 KCl ( s ) +  3O₂ ( g )

( b )

The reaction of solid metal of Aluminum with Iodine in the following way -

2 Al ( s )  +  3 I₂ ( s ) ------> Al₂I₆ ( s )

( c )

The reaction of sodium chloride with aqueous sulfuric acid is as follow -

2 NaCl ( s )   +  H₂SO₄ ( aq ) ------>  2 HCl ( g ) +  Na₂SO₄ ( aq )

( d )

The reaction of phosphoric acid with potassium hydroxide , in the following way -

H₃PO₄ ( aq ) + KOH ( aq ) ------> KH₂PO₄ ( aq ) + H₂O ( l )

8 0
2 years ago
Molecules can be dissolved? Why?
elixir [45]

Answer:

Dissolving is when the solute breaks up from a larger crystal of molecules into much smaller groups or individual molecules. This break up is caused by coming into contact with the solvent. In the case of salt water, the water molecules break off salt molecules from the larger crystal lattice.

Explanation:

4 0
2 years ago
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why would dry cleaners use nonpolar tetrachloroethylene, c2cl4, to get cheeseburger grease out of clothes?
Sergeeva-Olga [200]
Grease is nonpolar. It is made up of lengthy hydrocarbon chains attached to glycerol (triacylglycerols). Because of this property, nonpolar solvents, such as tetrachloroethylene, can get grease out of clothes. This solvent acts by dissolving the grease, thereby removing it from clothes without leaving any residue.
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3 years ago
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Assignment Directions: Pick one of the following chemists and perform a bit of research on him/her. Answer the following questio
avanturin [10]
Don’t worry about it, let me do your homework!

Born February 27, 1869, Alice Hamilton was an American physician, research scientist, and author who is best known as a leading expert in the field of occupational health and a pioneer in the field of industrial toxicology. She was also the first woman appointed to the faculty of Harvard University.
8 0
3 years ago
A compound such as CaCl, would have an overall charge of?
Rina8888 [55]

Calcium Chloride would have a charge of +2

Hopes this helps :)

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3 years ago
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