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VikaD [51]
4 years ago
13

Three compounds that nitrogen and oxygen can form are NO, NO2, and N2O3. The law of multiple proportions tells you

Chemistry
1 answer:
Shtirlitz [24]4 years ago
6 0
I think it’s B because this law recognizes the fact that two elements may combine to form more than one product.
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Why is radon-222 considered dangerous?
Marysya12 [62]

q1. all of these

q2 false

q3 can be in liquid, solid or gas forms

q4 idk

q5 They usually remain radioactive for less than 100 years.

q6 idk

q7 TRUE

educated guess and i remember some things from chem. Hope its all good


5 0
4 years ago
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Modifying the game for less skilled players includes all of the following EXCEPT:
BartSMP [9]
I think it can be c. selecting teams based in height
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3 years ago
True or False: Air can be made to vibrate.
vesna_86 [32]

Answer

False

Explanation:

3 0
3 years ago
A simple way to estimate whether a molecule is a strong electrolyte, a weak electrolyte, or a nonelectrolyte is to examine an eq
borishaifa [10]

Answer:

Explanation:

We classify the behaviours of electrolytes based on their electrolytic conduction. This is what makes them breaks down when in aqueous solutions with water.

A strong electrolyte is one that ionize completely when in aqueous solutions. Their ionization can be shown below using appropriate chemical notation:

   An example of a strong electrolyte is NaCl:

                NaCl _{aq} → Na⁺_{aq} + Cl⁻_{aq}

Such reactions have a single forward arrow. Since they ionize complete, they have a large amoung of ions present in their aqueous form and would readily conduct.

A weak electrolyte is made up of compounds that ionize partially or slightly in their aqueous solution. The amount of ions produced per mole of compounds is relatively small compared to those of strong electrolytes. Examples ae organic acids, weak bases, and water. This ionization is shown below for methanoic acid:

    HCOOH_{aq} ⇄ HCOO⁻_{aq} + H⁺_{aq}

This sort of reaction is an equilibrium reaction. This is why we have the double arrow.

None electrolytes do not ionize at all in aqueous solutions and they produce no ions.

3 0
3 years ago
Read 2 more answers
Biological membranes are present in all cells, and they make up the endomembrane system of eukaryotic cells. Among other functio
docker41 [41]

Answer:

The correct option for question 1 would be:

a bilayer containing lipids with hydrophilic head groups pointing inward and hydrophobic tail groups facing the solvent (extracellular fluid and cytosol).

The correct option for question number two would be: proteins.

Explanation:

The membranes present phospholipids that act as selective barriers between the intracellular and extracellular space, allowing an internal balance in relation to the external one.

Its conformation is mostly phospholipids, fatty acids, proteins (from transmembrane to intermembrane or external)

5 0
3 years ago
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