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KiRa [710]
3 years ago
7

Why is vsepr theory important?

Chemistry
2 answers:
Serga [27]3 years ago
7 0
It is very important<span> to know the shape of a molecule if one is to understand its reactions. It is also desirable to have a simple method to predict the geometries of compounds. For main group compounds, the </span>VSEPR<span> method is such a predictive tool and unsurpassed as a handy predictive method.</span>
lawyer [7]3 years ago
7 0

Answer:

why molecules have different shapes

Explanation:

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MgCI2 how many element ?
polet [3.4K]

Answer:

2 elements magnesium(Mg) and chlorine (Cl)

7 0
2 years ago
What distinguishes a mixture from an impure substance?
Leno4ka [110]

<u>Answer:</u> Mixture can be separated into its components but impure substance cannot be separated into components.

<u>Explanation:</u>

A mixture is defined as a combination of two or more different substances in which the component substances are individually distinct. The substances can be separated by physical processes. The separation dos not involve any chemical process because no new substance is being formed.

Impure substance is defined as a substance which can be mixture of elements, compounds or elements and compounds. The substances cannot be separated by physical means but can only be separated by chemical means.

3 0
3 years ago
Which phrase best defines a chemical bond?
Mice21 [21]

Answer:

Chemical bond can be define as a force holding atoms firmly together to a form molecules.

Explanation:

Chemical bond is a strong attraction between atoms, molecules or ions that enhance the formation of chemical compounds. The bonds may be due from the electrostatic force of attraction between opposite charged ions or through the sharing of electrons.

Types of chemical bond

There are four types of chemical bonds

- covalent bond

- polar bond

- ionic bond

- hydrogen bond

Ionic bond involves the transfer of an electron which involves one atom receiving and the other giving out

Covalent bond involves the sharing of electrons between two atoms

Polar bonds involves two atoms connected by covalent bonds which may exert different attractions for the electrons in the bond resulting into unevenly charges distribution

Hydrogen bond: this is found mostly in water H2O. They are polarized

3 0
3 years ago
Calculate the atoms in 2CaCO3​
Fudgin [204]
5 atoms is in 2CaCO3​
Element: 1 atom
Compounds: 2+ atoms
3 0
2 years ago
PCl5(g) ⇋ PCl3(g) + Cl2(g)
dmitriy555 [2]

Answer:

The total pressure in the container is 2 atm (Option B)

Explanation:

Step 1: Data given

The initial pressure of the PCl5(g) is 1.00 atm

Volume of the container = 1.00 L

Step 2: The balanced equation

PCl5(g) ⇋ PCl3(g) + Cl2(g)

Step 3: Calculate the total pressure in the container

1mol of ideal gas has a pressure of 1 atm

If 1 mol of PCl5 completely decomposes into 1 mol PCl3 and 1 mol Cl2

Then the pressure for 1 mol PCl3 and 1 mol Cl2 is for both  1 atm

The total pressure would be 2*1 atm = 2 atm

The total pressure in the container is 2 atm

7 0
3 years ago
Read 2 more answers
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