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Vilka [71]
4 years ago
5

Which change will create a more dilute solution?

Chemistry
2 answers:
dedylja [7]4 years ago
5 0
I think the correct answer would be the third option. The change that will create a more dilute solution should affect the amount of the solvent since it is the component that is greater than the solute. Being dilute would mean there is a very small amount present of a solute in a solution. Increasing the amount of the sovent, would result to a lesser concentration of the solute.
Anni [7]4 years ago
5 0

Answer:

increasing the amount of solvent

Explanation:

Solvent is the species which is present in larger amount as compared to solute in a solution

Dilution is reverse of increasing concentration

When we use term concentration we consider the amount of solute present in a solution.

1) When we add more solute to a solution, we increase the concentration of the solution with respect to solute.

2) When we decrease the amount of solvent in the solution we are increasing the concentration of the solute (the amount of solute per unit amount of solvent increases). So by evaporating the solvent we are decreasing the amount of solvent and thus increasing the concentration of solution.

3) when we increase the amount of solvent we are decreasing the concentration of solute per unit of solvent. It means we are diluting the solution.

4) increasing the volume of the solution means no change in concentration. As it means we are adding more of solution of the same concentration to the solution of previous concentration.

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Which of the following is the major argument against the use of nuclear power to generate electricity?
svet-max [94.6K]
The mechanics of a power plant that generally uses nuclear energy in order to generate electricity lies in the principle of nuclear fission between radioactive atoms. In addition, among its major arguments on why it is still a matter of ethical issue is because of the intensive maintenance it requires for the disposal of its radioactive wastes.
8 0
4 years ago
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________ climate is summerless with the average temperature of the warmest month below 10°c.
amid [387]

Answer:

Polar

Explanation:

A polar climate is a place where the climate usually has a temperature below freezing, icy, and covered in snow. These areas do not get direct heat and sunlight from the sun. Polar climates are located at the North Pole of the Arctic, and at the South Pole on the continent of Antarctica.

8 0
2 years ago
An atom of oxygen (atomic number 8) has a mass number of 17. How many neutrons are<br> in that atom?
ludmilkaskok [199]
<h2>Answer:  # of neutrons = 9</h2>

<h3>Explanation:</h3>

# of neutrons = mass number - atomic number

                      = 17 - 8

                      = 9

<h3>∴ number of neutrons in an atom of oxygen of mass number 17, is 9.</h3>
3 0
3 years ago
Due to the small and highly electronegative nature of fluorine, the oxyacids of the this element are much less common and less s
Molodets [167]

Answer:

HOFO = (0, 0, +1, -1)

Explanation:

The formal charge (FC) can be calculated using the following equation:

FC = V - N - \frac{1}{2}B

<u>Where:</u>

V: are the valence electrons

N: are the nonbonding electrons

B: are the bonding electrons

The arrange of the atoms in the oxyacid is:

H - O₁ - F - O₂

Hence, the formal charge (FC) on each of the atoms is:

H: FC = 1 - 0 - 1/2*(2) = 0            

O₁: FC = 6 - 4 - 1/2*(4) = 0        

F: FC = 7 - 4 - 1/2*(4) = +1

O₂: FC =  6 - 6 - 1/2*(2) = -1

We can see that the negative charge is in the oxygen instead of the most electronegative element, which is the F. This oxyacid is atypical.  

I hope it helps you!

3 0
3 years ago
The bonds of the product store 27 KJ more energy than the bonds of the reactants how is energy conserved during this reaction
Blababa [14]

If the bonds of the product store 27 KJ more energy than the bonds of the reactants, It means the surroundings absorb 27 kj of energy from the reaction system Hence, Option (D) is the correct answer

<h3>What is the Exothermic reaction ?</h3>

An exothermic process releases heat, causing the temperature of the immediate surroundings to rise.

The bonds of the product store 27 KJ more energy than the bonds of the reactants, It means that energy has been absorbed by the surrounding as the product formed is more stable due to more stronger bond

This can be inferred from more stored energy with in the bonds and Thus, It is a exothermic reaction.Hence, Option (D) is the correct answer

Learn more about exothermic reaction here ;

brainly.com/question/9799465

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6 0
2 years ago
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