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rodikova [14]
3 years ago
8

Please HELP!! Which best describes CO2?

Chemistry
1 answer:
irina [24]3 years ago
8 0
I think it is 4. Covalent compound which is named carbon dioxide.
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Lipid-soluble hormones can't be stored within vesicles.<br> Select one:<br> O True<br> O False
Darya [45]

Answer:

true

Explanation:

they can not be stored within the vesicles

7 0
2 years ago
An atom was observed with +3 charge, n = 38, and e = 28, What is the element name of the atom?
scoundrel [369]
Hey there !

We know that

Atomic number , z = number of n+number of e

=> Z = 38+28 = 66

Hence the answer is B)Nickel-66

I hope this helps you:)
Have a good day ;)
3 0
2 years ago
What is unchanged when a solution is diluted by the addition of solvent?
grin007 [14]

Answer:

The moles of solute

Explanation:

When you make a dilution, moles of solute does not change when you add solvent.

In concentrated solution, you have x moles of solute, that will be the same in the diluted solution.

Relation between molarity or volume of concentrated and diluted solutions is called, "dilution factor".

When you calculate the dilution factor: you use this formula

Molarity concentrated .  Concentrated volume = M diluted . Diluted volume

M concentrated / M Diluted = Diluted volume / Concentrated volume

5 0
3 years ago
Give the number of each type of ion present on each of the ionic compounds formed from the following pairs of ions.
SVETLANKA909090 [29]
The following compounds and the number and type of ions are as follows:

Gold and chloride:

Gold (III) = Au 3+
Chloride = Cl 1-

Calcium and Sulfate:

Calcium Sulfate:

Calcium = Ca 2+
Sulfate = SO4 2-

Magnesium and Hydroxide

Magnesium Hydroxide: Mg(OH)2

Magnesium: Mg 2+
Hydroxide: (OH) 1-

8 0
3 years ago
Read 2 more answers
Can a liquid substance diffuse in another liquid substance
Zanzabum
<span>Yes, a liquid substance diffuse in another liquid substance. Rate of diffusion depends on liquid's viscosity temperature and liquid.

</span>
8 0
3 years ago
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