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Ad libitum [116K]
3 years ago
7

Which separation method would be most successful in separating the components of a homogeneous mixture?

Chemistry
2 answers:
stiks02 [169]3 years ago
8 0
I'm pretty sure the answer is B) Evaporation.
kramer3 years ago
7 0

Answer: Option (B) is the correct answer.

Explanation:

When a liquid changes into vapors or gas then this process of change is known as evaporation.

A mixture in which solute particles completely dissolve in even composition throughout the solvent then it is known as homogeneous mixture.

For example, when salt is dissolved in water then upon heating it water can be evaporated and crystals of sodium chloride can be obtained.

Whereas screening method is used in the discovery of a drug and it a scientific experimentation method.

When particles of a mixture are separated by spinning then this process is known as centrifugation.

When a magnetic force is used to separate magnetic particles present in a mixture then this process is known as magnetic separation.

Thus, we can conclude that evaporation is the separation method would be most successful in separating the components of a homogeneous mixture.

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A wave has a wavelength of 1.2 m and a wave speed of 24 m/s. What is the
AlladinOne [14]

Answer:

A. 20 Hz

Explanation:

24 divided by 1.2 = 20 Hz

5 0
3 years ago
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Acetylene gas C2H2 undergoes combustion to form carbon dioxide and water when it is used in the oxyacetylene torch for welding.
Elenna [48]

Answer:

The answer to your question is below

Explanation:

Reaction

                            C₂H₂ (g) + O₂(g)   ⇒   CO₂ (g)   +  H₂O (g)

                            Reactants         Elements         Reactants

                                    2                       C                       1

                                    2                       H                       2

                                    2                       O                       3

This reaction is unbalance

<u>Reaction balanced</u>

                        <u>   </u><u>2</u><u>C₂H₂ (g) +   </u><u>5</u><u>O₂(g)   ⇒   </u><u>4</u><u>CO₂ (g)   +  </u><u>2</u><u>H₂O (g)</u>

                            Reactants         Elements         Reactants

                                    4                       C                       4

                                    4                       H                       4

                                   10                       O                      10

Now, the reaction is balanced

a) Calculate the molecular mass of acetylene and water

Acetylene = (12 x 2) + (2) = 26 g

Water = (1 x 2) + (1 x 16) = 18 g

                           2(26) g of Acetylene ---------------  2(18) g of Water

                               113 g  of Acetylene --------------   x

                                x = (113 x (2 x 18)) / 2(26)

                                x = 4068 / 52

                             <u> </u>  x = 78. 2 g of water

b)                2 moles of Acetylene ------------  4 moles of carbon dioxide

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                        x = 0.55 moles of acetylene

6 0
3 years ago
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lesantik [10]

Answer:

False

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Meaning there shouldn't be any lone pair.

Look up "Structure of a trigonal planar molecule" for a visual

So it is false.

7 0
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there are only 3 different elements</span>
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