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Allisa [31]
3 years ago
14

Please help me I have to turn it in today explain also​

Chemistry
2 answers:
NNADVOKAT [17]3 years ago
8 0

Answer:

A is denser.

Explanation:

kvv77 [185]3 years ago
7 0

Answer:

cylinder A has a higher density then cylinder B or more accurately the liquid in cylinder A is denser then the liquid in the second tube.

Explanation:

"Denser" simply means more matter is contained in the same space for example say you fill a tank with helium and another tank with water. Although they are the same size one will weigh much more because their is more particles or "stuff" inside the same area this can be because of a few things one it can be because the atoms or elements that compose the substance are heavier containing more electrons and protons in their orbit. or the molecular structure is more compact like a chicken wire fence has more wire in it then a barbed wire wire fence covering the same area because of the grid of wire in the middle.

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Suppose 35 mg of benzoic acid is dissolved in 7 mL of dichloromethane. The resulting organic solution is then extracted with
olga nikolaevna [1]

Answer:

Kp = 13.3

Explanation:

Partition coefficient is used to extract or purify a solute from a solvent selectively to avoid interference from other substances. The formula is:

Kp = Concentration of solute in organic solvent / Concentration of solute in H₂O

As the CH₂Cl₂ is containing 31mg, water is containing 4mg. Replacing in the formula:

Kp = (31mg/7mL) / (4mg/12mL)

<h3>Kp = 13.3</h3>
7 0
4 years ago
What is potential energy?
Vlad [161]

Answer:

B

Explanation:

it is the energy stored in the chemical bonds of a substance

4 0
2 years ago
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MArishka [77]

Answer:

where is the question?

Explanation:

5 0
3 years ago
175 mL of a 1.6 M solution of KCl is diluted to a new volume of 1.0 L. What is the new concentration of the solution?
kupik [55]

Answer:

b. .28 M KCI

Explanation:

Use the dilution formula.

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6 0
3 years ago
How many bromines atoms are present in 33.3 g of ch2br2?
Agata [3.3K]
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I think this is the answer.</span>
8 0
3 years ago
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