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3 years ago

Which molecule has a nonpolar covalent bond?

2 answers:

8 0

Nonpolar covalent bonds are chemical bonds where two atoms share a pair of electrons with each other and the electronegativities of the two atoms are equal. An example is methane. It has four carbon-hydrogen single covalent bonds. These bonds are nonpolar because the electrons are shared equally.

kotegsom [21]3 years ago

5 0

Non-polar covalent bonds exist between atoms of similar electronegativities.

Further Explanation:

The chemical bond is the attraction between atoms, molecules or ions that is responsible for the formation of chemical compounds. It is formed either due to electrostatic forces or by the sharing of electrons.

A covalent bond is a bond formed by the mutual sharing of electrons between the bonded atoms. It is also known as a molecular bond. Such bonds usually exist between two or more non-metals.

Types of covalent bonds:

1. Polar covalent bond

This type of covalent bond is formed when one of the bonded atoms is more electronegative than the other one. For example, the bond between hydrogen and chlorine in HCl is a polar covalent bond. In this case, Cl is more electronegative than H.

2. Non-polar covalent bond

This type of covalent bond is formed when both atoms have the same electronegativities. For example, bond between carbon and hydrogen in ${\text{C}}{{\text{H}}_{\text{4}}}$ is a non-polar covalent bond.

3. Coordinate covalent bond

In this bond, both shared electrons are provided by the same atom. This is normally found when metals are bonded with ligands. For example, the bond formed between cobalt and ammonia in case of hexamminecobalt (III) chloride is a coordinate covalent bond.

Learn more:

1. Identification of ionic bonding: brainly.com/question/1603987

2. What type of bond exists between phosphorus and chlorine? brainly.com/question/81715

Answer details:

Grade: High School

Subject: Chemistry

Chapter: Ionic and covalent compounds

Keywords: covalent bond, polar, non-polar, coordinate, metal, ligands, electronegativity, HCl, H, Cl.

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Answer:

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Calculate the number of moles of NaOH contained in 250. mL of a 0.05M solution.

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Answer:

0.0125mol

Explanation:

Molarity (M) = number of moles (n) ÷ volume (V)

n = Molarity × Volume

According to this question, a 0.05M solution contains 250 mL of NaOH. The volume in litres is as follows:

1000mL = 1L

250mL = 250/1000

= 0.250L

n = 0.05 × 0.250

n = 0.0125

The number of moles of NaOH is 0.0125mol.

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2 years ago

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Answer:

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2 years ago

If a chemist has 2.3 moles of arsenic (as) that has a molar mass of 74.92 g/mol, which would be the best way to find out how man

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