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pychu [463]
2 years ago
9

You run an experiment to test the effects of temperature on solubility. What would you heat? A.) solvent B.) solute C.) the room

B.) the beaker
Chemistry
2 answers:
taurus [48]2 years ago
8 0
The most appropriate answer is A !!

As solvent temp is increased the solubility of solute increases !!
Vilka [71]2 years ago
4 0

Answer:

The correct answers is A) solvent.

Explanation:

Solubility is the ability of a substance to dissolve in another called solvent. The solubility of a solute in a given solvent mainly depends on the temperature. For many solids dissolved in liquid water, solubility increases with temperature up to 100 ° C.

In the liquid water at high temperatures the solubility of the ionic solutes tends to decrease due to the change in the properties and structure of the liquid water.

Gaseous solutes show a more complex behavior with temperature. As the temperature rises, the gases generally become less soluble in water but more soluble in organic solvents.

Hence, if we vary the temperature of the solvent we can check the effects on solubility of a solute.

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Fatty acids are ________ Group of answer choices composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio. composed of carbon,
VLD [36.1K]

Fatty acids are composed of hydrocarbon chains and a carboxyl group.

<h3>What are Fatty acids ?</h3>

Fatty acids are the building blocks of the fat in our bodies and in the food we eat.

During digestion, the body breaks down fats into fatty acids, which can then be absorbed into the blood.

Fatty acid molecules are usually joined together in groups of three, forming a molecule called a triglyceride.

Generally, a fatty acid consists of a straight chain of an even number of carbon atoms, with hydrogen atoms along the length of the chain and at one end of the chain and a carboxyl group (―COOH) at the other end.

It is that carboxyl group that makes it an acid (carboxylic acid).

Learn more about Fatty Acids here ;

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7 0
2 years ago
If a cross-country runner covers a distance of 347 meters in 134 seconds what is her speed?
Vlad1618 [11]
Distance s=347 meters
time t=134 sec.
speed =s/t=347/134=2.5896 m/s nearly
5 0
3 years ago
Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas
nataly862011 [7]

57.1g * 6.022*10^23 / 22.9 * 2 = 7.51*10^23 molecules

3 0
3 years ago
Hey
Ahat [919]
Acids<span> and </span>bases<span> are two types of corrosive substances. Any substance with a pH value </span>between<span> 0 up to 7 is considered acidic, whereas a pH value of 7 to 14 is a </span>base<span>. </span>Acids<span> are ionic compounds that break apart in water to form a hydrogen ion (H+).

Hope this helped!</span>
5 0
3 years ago
2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g) When 2 moles of Na react with water at 25°C and 1 atm, the volume of H2 formed is 24.5 L. C
olga nikolaevna [1]

Answer:

Magnitude of work done = 24.28 J

Explanation:

No. of moles = Reacting mass/ Molar mass

Reacting mass of Na = 0.45 g

Molar mass of sodium = 23g/mol

∴ No. of moles of sodium = 0.45/23 = 0.0196 mole

If 2 moles of Na react with water at 25°C and 1 atm, 24.5 L of H₂ was formed.

∴ when 0.0196 mole of Na react with water under the same conditions, (24.5×0.0196)/2 L of H₂  will be formed.

⇒ (24.5×0.0196)/2 L = 0.24 L

0.24 L × 1 atm = 0.24 L . atm

Since  1 L · atm = 101.3 J

∴      0.24 L . atm = (0.24 L . atm ×101.3)/1 = 24.28 J

Magnitude of work done = 24.28 J

3 0
2 years ago
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