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kirill115 [55]
3 years ago
10

Research 2 common, polar molecules and 2 common nonpolar molecules. draw their molecular structure and explain how the structure

makes each molecule polar or non polar

Chemistry
1 answer:
goldfiish [28.3K]3 years ago
5 0

A water molecule is a polar molecule because of its shape. Its one side is positively charged, while another one side is negatively charged. Two hydrogen atoms and one oxygen atom makes up the molecule. Because the atoms share electrons, the bonds between the atoms are called covalent bonds.

 

Since its bonds are symmetrical, carbon dioxide is nonpolar. The bonds between the carbon and two oxygen atoms are polar; however, the entire molecule is nonpolar because the partial charges cancel each other.

 

Hydrogen and chlorine are the two different molecules that makes up HCI. It is nonpolar when a covalent compound is compound among the same elements or bonds between H and C. On the other hand, it is polar when there are two or more different elements present.

 

Four Carbon-Hydrogen single covalent bonds is contained in methane’s molecule and these covalent bonds are specified as nonpolar covalent bonds. There is no charge separation (dipole moment) due to the equal sharing of electrons.

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What happens as liquid water boils?
Licemer1 [7]

Answer:

C) The molecules become separated from each other.

Explanation:

5 0
2 years ago
Chandra wants to know how many moles are contained in 150.0 g ccl4 (carbon tetrachloride). what quantity of ccl4 should she use
Fynjy0 [20]

The quantity of carbon tetrachloride, CCl₄ she will use to make her conversion is molar mass

<h3>Description of mole </h3>

The mole of a substance is related to it's mass and molar mass according to the following equation:

Mole = mass / molar mass

<h3>How to determine the mole of CCl₄</h3>
  • Mass of CCl₄ = 30 g
  • Molar mass of CCl₄ = 12 + (35.5×4) = 154 g/mol
  • Mole of CCl₄ =?

Mole = mass / molar mass

Mole of CCl₄ = 150 / 154

Mole of CCl₄ = 0.974 mole

Thus, we can see that the molar mass of CCl₄ is needed to obtain the number of mole.

Learn more about mole:

brainly.com/question/13314627

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8 0
2 years ago
Which property would be characteristic of a non-metal?
RideAnS [48]
I think the answer is B.
I know the answer cant be A because a lot of metal that is new can be shiny.
C is incorrect because malleable means that it can be permanently bent out of shape ( which metal can be )
D is incorrect because a lot of metal can conduct electricity for example copper and brass can both conduct electricity 
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5 0
2 years ago
Read 2 more answers
Coal power plants burn large amounts of coal, c(s), in an o 2 ​ (g) atmosphere to generate electricity. the chemical reaction re
charle [14.2K]
Answer is: volume of carbon dioxide is 1,84·10⁸ l.
Chemical reaction: C + O₂ → CO₂.
m(C) = 100 t · 1000 kg/t = 100000 kg 
m(C) = 100000 kg · 1000 g/kg = 10⁸ g.
n(C) = m(C) ÷ M(C).
n(C) = 10⁸ g ÷ 12 g/mol.
n(C) = 8,33·10⁶ mol.
From chemical reaction: n(C) . n(CO₂) = 1 : 1.
n(CO₂) = 8,33·10⁶ mol.
m(CO₂) = 8,33·10⁶ mol · 44 g/mol.
m(CO₂)  = 3,66·10⁸ = 3,66·10⁵ kg.
V(CO₂) = 3,66·10⁵ kg ÷ 1,98 kg/m³ = 1,84·10⁵ m³.
V(CO₂) = 1,84·10⁵ m³ · 1000 l/m³ = 1,84·10⁸ l.

6 0
3 years ago
Balance the following chemical equation:<br> C2H60+02 → CO2 + H20
pantera1 [17]

Answer:

Explain: In order to balance the chemical equation, you need to make sure the number of atoms of each element on the reactant side is equal to the number of atoms of each element on the product side. In order make both sides equal, you will need to multiply the number of atoms in each element until both sides are equal.

3 0
2 years ago
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