A detailed explanation, one paragraph of the colligative property being discussed and why that property changes the way that it does when the amount of solute is increased. A detailed description, at least one paragraph, of a real-world application of the colligative property, including an explanation of how this application of the colligative property is important or useful to those affected. The real-world example must be one that was not mentioned in the lesson.

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Answer 1

Answer:
You can do it on the icing of roads, reverse osmosis for desalination of water, dissolved CO2 in soda cans, osmotic pressure involving blood vessels and IV solutions, etc.

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What does Vitamin D do for the body?A. It transports oxygen to the muscles.
B. It converts glucose into energy.
C. It controls the way your body uses calcium.
D. It effectively rehydrates the system

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Answer:

Explanation:

Vitamin D is a molecule that is essential in the transport of the Calcium to the bones, it can be obtained from direct contact with the sun or can be obtained directly from the diet. Besides transporting the Calcium to the bones, also participates in regulation of calcium and fosfate in the kidneys and intestine promoting the calcium reabsortion at renal level and calcium absortion at intestinal level. Also modulates the inmune system, promoting the maturation of monocytes to macrophages, improving the inmune response.

C. Controls the way your body uses calcium

Any substance composed of two or more elements that are chemically combined in a fixed proportion is(1) an isomer (3) a solution
(2) an isotope (4) a compound

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Any substance composed of two or more elements that are chemically combined in a fixed proportion is known as a Compound. Thus, it's D.

What do you mean by Elements?

Elements may be defined as any substance that cannot be disintegrated into more superficial substances by standard chemical processes.

In chemistry, an isomer may be defined as those molecules which the same molecular formulas, but different arrangements of atoms.

An Isotope may be defined as an atom that bears the same atomic number and chemical identities but possesses a different atomic mass.

A solution may be defined as a homogeneous mixture of one or more solutes disbanded in a specific solvent.

Therefore, the correct option for this question is D.

To learn more about Compounds, refer to the link:

brainly.com/question/26556885

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(4) a compound is the correct answer~

The SI base unit called the mole represents what?

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Answer:

The mole, symbol mol, is the SI unit of amount of substance.

Explanation:

Given the reaction at 101.3 kPa and 298 K: hydrogen gas + iodine gas -> hydrogen iodide gas This reaction is classified as

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Answer:

Endothermic, because heat is absorbed.

Explanation:

This is classified as a "Formation Reaction"

The molar heat of vaporization of water is 40.7kj/mol. How much heat must be absorbed to convert 50.0 grams of liquid water at 100°C to steam at 100°C?

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You have to use the formula q=nΔH(vap)
q=the heat absorbed or released
n=the number of moles of the sample (in this case 2.78mol (50g/18g/mol))
ΔH(vap)=the heat of vaporization for the sample (in this case 40.7kJ/mol)

When you plug everything in you should find that 113.05kJ is needed to vaporize 50g of water. (the temperature does not change during a phase change since all of the heat absorbed is being used to break the intermolecular forces and none of it is being used to speed up the molecules).

I hope this helps. Let me know if anything is unclear.

C2H5OH is able to dissociate in water to conduct an electric current. This compound could be classified as

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The fact that when in solution C₂H₅OH conducts electricity means that it is an electrolyte so you can automatically cross out A and C (the definition of an electrolyte is a substance that will conduct electricity when in a solution). I think the correct answer is B due to the -OH group (the - indicates a covalent bond) which allows the molecule to give up a proton (H⁺).
I hope this helps. Let me know if anything is unclear.

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Limestone is primarily a crystal form of caco 3 . How many moles of oxygen are in a 1.25 mol sample of caco 3 ? Only include the numerical value in your answer. Do not include units.