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Misha Larkins [42]
3 years ago
7

Some chemical bonds are considered molecules while others are considered compounds.

Chemistry
1 answer:
taurus [48]3 years ago
5 0

Molecule is the general term used to describe any atoms that are connected by chemical bonds. Every combination of atoms is a molecule. A compound is a molecule made of atoms from different elements. All compounds are molecules, but not all molecules are compounds.

One example of a molecule is Cl_2 (chlorine).

Examples of a compound is NaCl (sodium chloride) or H_2O\\ (water)

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A solution was prepared by mixing 50.0 g
frez [133]

Answer:

4.78 %.

Explanation:

<em>mass percent is the ratio of the mass of the solute to the mass of the solution multiplied by 100.</em>

<em></em>

<em>mass % = (mass of solute/mass of solution) x 100.</em>

<em></em>

mass of MgSO₄ = 50.0 g,

mass of water = d.V = (0.997 g/mL)(1000.0 mL) = 997.0 g.

mass of the solution = mass of water + mass of MgSO₄ = 997.0 g + 50.0 g = 1047.0 g.

<em>∴ mass % = (mass of solute/mass of solution) x 100</em> = (50.0 g/1047.0 g) x 100 = <em>4.776 % ≅ 4.78 %.</em>

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3 years ago
An atom in the ground state contains 8 valence electrons this atom is classified as a
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Noble Gas. Metals have 1 or 2 Valence Electrons. Halogens have 7 Valence Electrons. Semi-Metals can have different amounts.
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When you put an ice cube into a glass of room temperature water, why does the water get cold?
mel-nik [20]
The water gets cold because the ice cube is endothermic. Which means it takes in heat. It takes the warmth from the water and melts the ice cube which the ice cube releases coldness which cools down the water.
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Answer:

1. D   2. C   3. B

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Answer:

Magnesium carbonate reacts with hydrochloric acid to produce magnesium chloride, carbon dioxide, and water.

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