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DerKrebs [107]
2 years ago
10

What is the sum of 16+ -20?

Chemistry
2 answers:
mr Goodwill [35]2 years ago
6 0

Answer:

-4

Explanation:

PLz give me brainliest I worked hard thank u

MaRussiya [10]2 years ago
5 0

answer:

-4

hope this helps

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Stained glass consists of colored dyes mixed with silicon dioxide molecules. Variations in the color of the glass occur because
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Explanation:

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3 years ago
Why is pyridine included in the reaction of an acid chloride and an amine or alcohol? Pyridine will deprotonate the amine or alc
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Pyridine will neutralize the acid by-product of the reaction.

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3 years ago
How many grams of sodium are in 0.820 moles of na2so4?
s344n2d4d5 [400]
<span>the molar mass of a compound is the sum of the products of the atomic masses by the number of atoms of the element.
molar mass of Na</span>₂SO₄<span> is - 142 g/mol.
1 mol of </span>Na₂SO₄<span> has a mass of 142 g.
In 1 mol of </span>Na₂SO₄<span> the mass of Na is 23 g/mol x 2 = 46 g.
                             
Mass of Na in 1 mol of </span>Na₂SO₄ is - 46 g
                           
mass of Na in 0.820 mol of Na₂SO₄ - 46 g /1 mol x 0.820 mol = 37.72 g.
mass of Na is 37.72 g
5 0
3 years ago
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Sodium chloride (NaCl) is an ionic solid. It dissolves easily in water. Which property of water allows it to dissolve NaCl?
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Its hydrogen atom is a high conductor of electricity
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3 years ago
How would you figure the number of protons or electrons in an atom
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The number of protons in an atom can be determined by the element's atomic number, and the number of electrons can be determined by subtracting by atomic mass by the atomic number.
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3 years ago
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