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Anna11 [10]
3 years ago
5

Х ¿Cómo separarías la arena y el hierro?

Chemistry
1 answer:
iogann1982 [59]3 years ago
4 0

Answer:

imán

Explanation:

I used google translate idk if thats right

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Hello Mate!

Well, there are many definitions and descriptions of isolated systems, and here are some of them:

1. It can be a physical system which is located very very far from all other systems, so there is absolutely no interaction between them, thus making it isolated.

2. It can be a thermodynamic system with rigid walls, which prevents mass and energy to pass through.

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Because of the attraction forces known as hydrogen bonding, water is referred to as a polar solvent. An attraction between molecules known as a hydrogen bond occurs when partially positive hydrogen atoms are drawn to partially negative F, O, or N atoms.

<h3>What is a hydrogen bond?</h3>

A hydrogen bond (or H-bond) is a strong electrostatic attraction between an electronegative atom holding a lone pair of electrons, known as the hydrogen bond acceptor, and a hydrogen (H) atom that is covalently attached to a more electronegative "donor" atom or group.

<h3>How can hydrogen atoms join together?</h3>

When a hydrogen atom bonds with an electronegative atom, powerful intermolecular forces called hydrogen bonds are produced. The hydrogen bond acceptor's electronegativity will rise, resulting in a stronger hydrogen bond.

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