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3 years ago

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Which of these mixtures would best be separated through distillation

1 answer:

Andrew [12]3 years ago

5 0

Answer: Water and acetone

Explanation: you will find that the water and the soil are polar opposite, while the principal component of the water are Hydrogen and Oxygen, in the acetone you will find a change of carbon, the components from each molecule confer to each one specific physical properties for example the boiling point, and the distillation is a physical separation based on the boiling point.

then you can find the boiling point of the water in 100 °C, and the boiling point of the acetone is 56 °C, this give as a difference of 44 °C,

then while the acetone is boiling the water is liquid state, and this give us the opportunity to the separate the acetone in gas state by condensation after the boiling.

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Which of the following statements about energy is true? I. Kinetic energy cannot be transformed into another type of energy. II.

Aleks [24]

Answer:

B

Explanation:

First Law of thermodynamics says energy of the universe is constant and can only be changed in other forms of energy

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4 years ago

What is the volume of 45.0 grams of nitrogen monoxide , NO

gladu [14]

Answer:

$V=37.05\ L$

Explanation:

Given that:

Mass of $NO$ , m = 45.0 g

Molar mass of $NO$ , M = 30.01 g/mol

Temperature = 20.0 °C

The conversion of T( °C) to T(K) is shown below:

T(K) = T( °C) + 273.15

So,

T₁ = (20.0 + 273.15) K = 293.15 K

V = ?

Pressure = 740 mm Hg

Considering,

$n=\frac{m}{M}$

Using ideal gas equation as:

$PV=\frac{m}{M}RT$

where,

P is the pressure

V is the volume

m is the mass of the gas

M is the molar mass of the gas

T is the temperature

R is Gas constant having value = 62.36367 L. mmHg/K. mol

Applying the values in the above equation as:-

$740\times V=\frac{45.0}{30.01}\times 62.36367\times 293.15$

$740V=\frac{822685.94372}{30.01}$

$V=37.05\ L$

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3 years ago

In what type of reaction or process does heat flow into the system?

Ne4ueva [31]

Answer:

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Explanation:

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3 years ago

Atoms of hydrogen can become helium atoms during a chemical reaction.<br> True<br> False

marishachu [46]

Answer:

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Explanation:

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4 years ago

Read 2 more answers

Sakura tested the pH of several solutions. Which substances are acidic? Check all that apply. Cola-flavored soda: 2. 6 cranberry

Archy [21]

Cola-flavored soda: 2. 6 -Acidic

cranberry juice: 2. 9 -Acidic

dish soap: 7. 3 -Basic

pickle juice: 5. 5 -Acidic

seawater: 8. 0 -Basic

lye soap: 13. 0. -Basic

<h3>What is pH?</h3>

pH value tells us about the acidity and basicity of any solution. pH means potential hydrogen.

The pH scale is counted from 0 to 14 in which 7 is neutral and the value of pure water.

Below 7 are all acids and the above 7 are all basic.

Thus, all acidic substances are Cola-flavored soda: 2. 6, pickle juice: 5. 5, cranberry juice: 2. 9.

Learn more about pH, here:

brainly.com/question/491373

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3 years ago