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kykrilka [37]
3 years ago
10

Which best describes a compound such as magnesium oxide?

Chemistry
2 answers:
Rina8888 [55]3 years ago
5 0

Answer:

D

Explanation:

a pure substance that is made up of different elements

KatRina [158]3 years ago
4 0
<span>magnesium oxide is a compound that is composed of one atom of magnesium and two atoms of oxygen. The compound is a combination of Mg2+ ion and O2-. The ions translate into atoms which reflects on the subscripst of the elements already. magnesium oxide is a basic oxide with the pH level greater than 7.</span>
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What type of ossification occurs to form an immovable joint
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Answer:

The type of ossification that occurs is the endomembrane or endochondral.

Explanation:

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______ is the genetic DNA makeup of the organism. Example: Hh
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The structure is in attachment.
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3 years ago
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The balanced chemical equation for the reaction of copper (Cu) and silver nitrate (AgNO3) is shown below. Cu + 2AgNO3 2Ag + Cu(N
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4 years ago
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Answer:

0.278 mol HCl

Explanation:

We currently have 185.0 mL of a 1.50 mol/L solution of HCl. We want to find the number of moles there are.

Based on the given information, our volume is 185.0 mL and our molarity is 1.50. Because molarity is defined as moles / Litre, we can easily find the moles given volume by multiplying molarity by volume.

First, though, we must convert millilitres to litres. There are 1000 mL in 1 L, so divide 185.0 by 1000:

185.0 / 1000 = 0.185 L

Now, multiply 0.185  by 1.50:

0.185 L * 1.50 mol/L = 0.278 mol HCl

Thus the answer is 0.278 mol HCl.

<em>~ an aesthetics lover</em>

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3 years ago
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