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algol13
2 years ago
6

a mother finds her daughter’s mug of hot cocoa on a table an hour after she had been drinking it. as the mother pours out the co

coa, she sees brown solids in the bottom of the mug. how can this be explained?
SAT
1 answer:
madreJ [45]2 years ago
8 0

The reason for the scenario is because the cocoa was mixed with hot water but some cocoa settled as it cooled because the solubility went down.

  • Solubility simply means the amount of a substance that can be used in dissolving an amount of solvent at a particular time.

  • In this scenario given, it should be noted that the brown solids in the bottom of the mug were due to the fact that the solubility went down when the cocoa was mixed with water.

In conclusion, from the complete question, the correct option is C.

Read related link on:

brainly.com/question/24417245

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jeyben [28]

The Copernican model that is most similar to that of Aristarchus is where the solar system shows the planets in their orbits around the sun in the order: Mercury, Venus, Earth with Moon, Mars, Jupiter, Saturn.

Aristarchus of Samos was a Greek astronomer who argued that the earth rotates on its axis and revolves around the sun. He had suggested a new theory that, if true, would make the universe much larger than was believed at the time. In the 16th century, Aristarchus inspired the Polish astronomer Nicholas in his Copernicus’s studies.

However, Copernicus later erased this reference, and Aristarchus' theory was not mentioned in the book published by him. Copernicus His model is the system of planetary motion maintained by Copernicus, in which the earth revolves once in a day and around the sun once in his year, while the other planets also has an orbit centered near the sun.

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1 year ago
Just easy points go ahead and the first to anwser brainliest
aksik [14]

Answer:

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Explanation:

5 0
3 years ago
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Assuming ideal solution behavior, how many liters of hcl gas, measured at 30. 0 °c and 745 torr, are required to prepare 1. 25 l
Nostrana [21]

The volume of HCl gas required to prepare the solution is 101.54 L

<h3>How to determine the mole of HCl </h3>
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Mole = Molarity x Volume

Mole of HCl = 3.2 × 1.25

Mole of HCl = 4 moles

<h3>How to determine the volume of HCl </h3>
  • Number of mole (n) = 4 moles
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  • Pressure (P) = 745 torr = 745 / 760 = 0.98 atm
  • Gas constant (R) = 0.0821 atm.L/Kmol
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Using the ideal gas equation, the volume of the HCl gas can be obtained as follow:

PV = nRT

Divide both side by P

V = nRT / P

V = (4 × 0.0821 × 303) / 0.98

V = 101.54 L

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2 years ago
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Ilia_Sergeevich [38]

Answer: the population has a mean of less than 30

Explanation:

In interval estimation, the t distribution is applicable only when a. the population has a mean of less than 30.  the sample standard deviation (s) is given instead of the population standard deviation

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Which rhetorical device does the author use to suggest the abundance of life and activity in Limberlost environment? A) simple s
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