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2 years ago

What happens when the density of a medium increases?

Chemistry

1 answer:

muminat2 years ago

8 0

I believe it’s Refractive index

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Select the correct structure that

Leni [432]

Answer:

Explanation:

its b

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3 years ago

12.0 g NaHSO4 (MM: 120.1 g/mol) is dissolved in water to make a 2.00 L solution. What is the molarity of the resulting NaHSO4 so

dexar [7]

Answer:

0.05 M

Explanation:

First we convert 12 g of NaHSO₄ into moles, using the given molar mass:

12 g NaHSO₄ ÷ 120.1 g/mol = 0.10 mol NaHSO₄

We can now calculate the molarity of the resulting solution, using the calculated number of moles and the given volume:

Molarity = moles / liters

Molarity = 0.10 mol / 2.00 L = 0.05 M

5 0

3 years ago

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How many valence electrons are in an atom of phosphorus?

Helen [10]

How many valence electrons are in an atom of phosphorus?

a. 2
c. 4
b. 3
d. 5 Please select the best answer from the choices provided A B C D

There are five valence electrons are in an atom of phosphorus. The answer is letter D.

8 0

3 years ago

The element Osmium has _ neutrons in its nucleus

Veseljchak [2.6K]

Answer:

114

Explanation:

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3 years ago

For a given mass of reactants, the energy released is greatest for a reaction involving

kari74 [83]

Answer: Option (D) is the correct answer.

Explanation:

In fusion reaction, two small nuclei combine together to result in the formation of a large nuclei.

Whereas in fission reaction, large nuclei dissociates into two or more small nuclei.

Nuclear fusion releases more energy as compared to nuclear fission.

For example, two hydrogen nuceli fuse together and result in the formation of helium atom along with release of energy.

$^{2}_{1}H + ^{2}_{1}H \rightarrow ^{4}_{2}He + Energy$

3 0

3 years ago

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