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WITCHER [35]
2 years ago
10

Which of the following correctly describes a compound?

Chemistry
1 answer:
qwelly [4]2 years ago
7 0

A compound is defined as two or more different elements bonded together in an ionic or covalent bonding arrangement.  Any individual compound has a fixed ratio of its elements.  The elements do not retain their individual chemical properties.  Thus, option "C" is correct.

<h3>What is a compound?</h3>

A substance that has two or more different atoms which are chemically combined with each other in a fixed ratio by mass is known as a compound.

For example,

Here,  contains one atom of calcium and two atoms of chlorine which are chemically combined together in 1:2 ratio. Therefore, it is a compound.

Also, both chemical and physical properties of will be different from Ca and chloride.

Thus, option "C" is correct.

To learn more about compounds click here:

brainly.com/question/13516179

#SPJ1

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Answer:

All offspring are tall when a homozygous tall parent with homozygous short parent.

Explanation:

When we crossed  homozygous tall parent with homozygous short parent, we conclude that all offspring are tall, because homozygous short parent are supressed under the homozygous tall parent, due to law of dominance.

Law of dominance states that, recessive alleles are suppressed by dominant alleles but they can appear in F2 generation.

Using a punett square, we can predict the cross between homozygous tall and homozygous short parent.      

  The phenotypes are: All are tall plants (4:0).

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3 years ago
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4 years ago
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2 years ago
a student determined that it requires 106220 j of energy to vaporize 47g of water. is the student is right​
shusha [124]
<h2>Answer:</h2>

He is right that the energy of vaporization of 47 g of water s 106222 j.

<h3>Explanation:</h3>

Enthalpy of vaporization or heat of vaporization is the amount of energy which is used to transform one mole of liquid into gas.

In case of water it is 40.65 KJ/mol. And 18 g of water is equal to one mole.

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Hence the student is right about the energy of vaporization of 47 g of water.

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