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2 years ago

4. What happens to energy during the formation of a solution?

Physics

1 answer:

Svetlanka [38]2 years ago

6 0

D It is released or absorbed.

Explanation:

To form a solution, energy is absorbed or released in the process.

A solution is a substance made up of solute dissolved in a solvent. The solute is the dissolved substance where as the solvent is the dissolving medium.

To form a solution, solutes are dissolved.
In this dissolution reaction, energy is used to break bonds within the solute to bring them in contact with the solvent.

The combination of the solute with the solvent is a bond formation process.
Bond formation is an exothermic process in which energy is released.
Bond breaking process is endothermic in which energy is absorbed.
To form solutions, bonds are formed and broken.

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Solutions brainly.com/question/8781174

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Define 1 kg of mass as international standard

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Given: G = 6.672 × 10−11 N · m2 /kg2 Io, a satellite of Jupiter, has an orbital period of 1.24 days and an orbital radius of 4.1

Dahasolnce [82]

Answer:

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Explanation:

Using Kepler's 3rd law, it states that the orbital period T is related to the distance,r as:

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Where G = universal gravitational constant

r = radius

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Rearranging the formular to make M the subject of formular

T^2 × 4 pi = G M × r^3

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2 years ago

What water pressure must a pump that is located on the first floor supply to have water on the thirteenth of a building with a p

irga5000 [103]

The water pressure on the first floor must be 455 PSI in order to push the water to the 13th floor at the given pressure.

The given parameters;

<em>Pressure on the 13 th floor, P₁ = 35 PSI</em>
<em>Distance between each floor, d = 10 ft</em>

The vertical pressure of the water is calculated as follows;

$P = \rho gh\\\\\frac{P}{h} = \rho g\\\\\frac{P}{h} = k\\\\\frac{P_1}{h_1} = \frac{P_2}{h_2} \\\\$

The vertical height of the first floor from the 13th floor = 130 ft

The vertical height of the 13 ft floor = 10 ft

$P_1 = \frac{P_2 h_1}{h_2} \\\\P_1 = \frac{35 \times 130}{10} \\\\P_1 = 455 \ PSI$

Thus, the water pressure on the first floor must be 455 PSI in order to push the water to the 13th floor at the given pressure.

Learn more about vertical height and pressure here: brainly.com/question/15691554

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2 years ago

An observer is standing next to the tracks, watching a train approach. The train travels at 30 m/s and blows its whistle at 8,00

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7351.35Hz

f0= v-Vo/v-Vs × FSA

= 340-0 /340+30 ×8000

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