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kompoz [17]
3 years ago
15

Ethanol and water have different boiling points, and when mixed they form a homogeneous mixture. By which process could the mixt

ure be separated?
A. pouring off the ethanol layer


B. distillation


C. stirring the mixture thoroughly


D. filtration
Chemistry
2 answers:
erastovalidia [21]3 years ago
8 0

the answer your looking for is a because it latterly says it right there. look closer to what its asking you

tiny-mole [99]3 years ago
8 0
B Destillation. Since they are telling you they have different boiling points you are going to be able to boil the ethanol and then condense it having the two solutions sparated
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Answer:

When the volume will be reduced to 2.50 L, the temperature will be reduced to a temperature of 230.9K

Explanation:

Step 1: Data given

A sample of sulfur hexafluoride gas occupies a volume of 5.10 L

Temperature = 198 °C = 471 K

The volume will be reduced to 2.50 L

Step 2 Calculate the new temperature via Charles' law

V1/T2 = V2/T2

⇒with V1 = the initial volume of sulfur hexafluoride gas = 5.10 L

⇒with T1 = the initial temperature of sulfur hexafluoride gas = 471 K

⇒with V2 = the reduced volume of the gas = 2.50 L

⇒with T2 = the new temperature = TO BE DETERMINED

5.10 L / 471 K = 2.50 L / T2

T2 = 2.50 L / (5.10 L / 471 K)

T2 = 230.9 K = -42.1

When the volume will be reduced to 2.50 L, the temperature will be reduced to a temperature of 230.9K

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Answer:

\boxed{2}

Explanation:

Alkaline earth metals are in group 2. The number of valence electrons of elements in group 2 is 2.

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