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laila [671]
2 years ago
8

When the Moon moves between the Sun and Earth and casts a shadow on Earth's surface, there is a(n)

Chemistry
1 answer:
allochka39001 [22]2 years ago
5 0
Hi , the answer is D because the moon is blocking the sun s rays .
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Choose the solvent below that would show the greatest boiling point elevation when used to make a 0.10 m nonelectrolyte solution
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Answer is: 1) ccl4, kb = 29.9°c/m, carbon tetrachloride has the greatest boiling point elevation.

The boiling point elevation is directly proportional to the molality of the solution according to the equation: ΔTb = Kb · b.

<span> ΔTb -  the boiling point elevation.
Kb - the ebullioscopic constant.
b - molality of the solution.
So the highest boiling poing elevation will be for solution with highest ebullioscopic constant because molality is the same.</span>

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2 years ago
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Help me please an thank you
miskamm [114]

Molecular formula

hope that helps^^

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3 years ago
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