How can you write noncontact force in a sentence

1 answer:

5 0

Here Is A Sentence You Could Possibly Use:

"The most common usage of non-contact force is weight."

Hope This Helps!

BTW, You May Want A Second Opinion Just In Case! :)

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Which of the following happens when solid sodium chloride dissolves in water?A.The attractive forces between water and the sodiu

grin007 [14]

Answer: option D. The attractive forces between the sodium and chloride ions are overcome by the attractive forces between the water and the sodium and chloride ions.

Explanation:

Solid sodium chloride (NaCl) is a ionic compound formed by ionic bonds between by the positive, metallic cations of sodium atom, Na⁺, and the negative, non-meatllic anions of chlorine atom, Cl⁻ (chloride).

Ionic bonds, then, are the electrostatic attracion between oppositely charged particles (cations and anions).

When solid sodium chloride dissolves in water, the ions (cations and anions) are separated in the solvent (water) due to the superior attracitve forces between such ions and the polar water molecules.

Water (H₂O) is a molecule, formed by polar covalent bonds between two hydrogen atoms and one oxygen atom.

The polarity of water molecule is due to the fact that oxygen atoms are more electronegative than hydrogen atoms, which cause that the electron density is closer to oxygen nuclei than to hydrogen nuclei. This asymmetry in the electron density conferes a partial positive charge over each hydrogen atom and a partial negative charge over the oxygen atoms.

Thus, the positively charged hydrogen atoms attract and surround the negative chloride (Cl⁻) anions, while the negatively charged oxygen atoms attract and surround the positive sodium (Na⁺) cations. It is only because the attractive forces between the water and the sodium and chloride ions are stronger than the attractive forces between the sodiium and chloride ions that such ions may be kept separated in the solution. This process is called solvation and the ions are said to be solvated by the water molecules.

7 0

3 years ago

The space occupied by any sample of matter is called its______.

Fed [463]

Mass is the answer to your question . thanks ;)

8 0

3 years ago

Read 2 more answers

Scientists use _____ as chemical symbols. dots letters shapes lines

defon

Answer:

Letters