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muminat
3 years ago
9

How do scientists use sonar to study earth's oceans?

Chemistry
1 answer:
HACTEHA [7]3 years ago
7 0
<span>to map the ocean floor is correct

</span>
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Choose the aqueous solution that has the highest boiling point. These are all solutions of nonvolatile solutes and you should as
FrozenT [24]

Answer:

0.100 M AlCl₃

Explanation:

The variation of boiling point by the addition of a nonvolatile solute is called ebullioscopy, and the temperature variation is calculated by:

ΔT = W.i

Where W = nsolute/msolvent, and i is the Van't Hoff factor. Because all the substances have the same molarity, n is equal for all of them.

i = final particles/initial particles

C₆H₁₂O₆ don't dissociate, so final particles = initial particles => i = 1;

AlCl₃ dissociates at Al⁺³ and 3Cl⁻, so has 4 final particles and 1 initial particle, i = 4/1 = 4;

NaCl dissociates at Na⁺ and Cl⁻ so has 2 final particles and 1 initial particle, i = 2/1 = 2;

MgCl₂ dissociates at Mg⁺² and 2Cl⁻, so has 3 final particles and 1 initial particle, i = 3/1 = 3.

So, the solution with AlCl₃ will have the highest ΔT, and because of that the highest boiling point.

8 0
4 years ago
Why did the water turn blue after the food coloring was added to the water
o-na [289]
Because when mixed the food coloring spreads to the less dense parts of the water cup. 
8 0
3 years ago
How many days are in 2.5 years?
Talja [164]
The answer to this question is 192.5
6 0
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M
alexgriva [62]

Answer:

183N

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183N we have to add both mass

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False

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