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vlada-n [284]
3 years ago
5

Students in science are studying solutions and the dissolving rate of solids. One group was given some instant lemonade mix to

Chemistry
1 answer:
UkoKoshka [18]3 years ago
7 0

Answer: A E D C

Explanation:

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Which of the following statements about connecting paragraphs is correct?
Reika [66]
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What is the boiling point of a solution containing 203 g of ethylene glycol (C2H6O2) and 1035 g of water? (Kb for water is 0.52
Andru [333]

Answer:

101,37°C

Explanation:

Boiling point elevation is one of the colligative properties of matter. The formula is:

ΔT = kb×m <em>(1)</em>

Where:

ΔT is change in boiling point: (X-100°C) -X is the boiling point of the solution-

kb is ebulloscopic constant (0,52°C/m)

And m is molality of solution (mol of ethylene glycol / kg of solution). Moles of ethylene glycol (MW: 62,07g/mol):

203g × (1mol /62,07g) = <em>3,27moles of ethlyene glycol</em>

<em />

Molality is: 3,27moles of ethlyene glycol / (1,035kg + 0,203kg) = 2,64m

Replacing these values in (1):

X - 100°C = 0,52°C/m×2,64m

X - 100°C = 1,37°C

<em>X = 101,37°C</em>

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I hope it helps!

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4 years ago
What is responsible for the difference in climate between eastern and western California
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I believe that the answer is D. 

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3 years ago
PLEASE HELP ME I BEG PLEASE!!!!
cricket20 [7]
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4.<span>The base donates a hydrogen ion.
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8.True I think
9.False
10.True

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