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Gre4nikov [31]
3 years ago
12

Helpppp nowwww plssss!!!

Chemistry
1 answer:
Zina [86]3 years ago
5 0

Answer: B

Explanation:

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A pure solvent has a boiling point ____ the boiling point of a solution.
Inessa05 [86]
Boiling-point<span> elevation describes the phenomenon that the </span>boiling point<span> of a liquid (a </span>solvent<span>) will be higher when another compound is added, meaning that a </span>solution has<span> a higher </span>boiling point<span> than </span>a pure solvent<span>. This happens whenever a non-volatile solute, such as a salt, is added to </span>a pure solvent<span>, such as water.

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maks197457 [2]
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5 0
3 years ago
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If 0.545J of heat leads to a 0.892 degree C change, what mass of water is present?
jolli1 [7]

Answer:

I got .146 g of water

Explanation:

Refer to this equation:

Q= mcΔt

Q= .545 J

c= 4.186 J/g

Δt= .892

plug in values:

.545 J = m(4.186 J/g)(.892°C)

simplify:

.545 J = m(3.734 J/g°C)

.146 g

4 0
4 years ago
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OLEGan [10]
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If you mix the two liquids, propanol and vegetable oil, are they miscible or immiscible?
Free_Kalibri [48]

Answer:

it would be immiscible

Explanation:

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