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Oliga [24]
2 years ago
9

What keeps molecules together in a liquid and stops them from becoming a gas?

Chemistry
1 answer:
zysi [14]2 years ago
7 0

Answer:

intermolecular interactions

Explanation:

hope this helps

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At what point in the cooking process is food typically seared?
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Answer: when you look at the meat, and it looks beautiful like a crispy donut made by Gordan Ramsay

Explanation:

Hells Kitchen is kewl

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3 years ago
The gas that makes up about 12 percent of the earths atmosphere is ?
ElenaW [278]

Answer:

You may be referring to the gas that makes up 21% of the earth's atmosphere, which is oxygen.

Explanation:

According to NASA, the gases in Earth's atmosphere include:

Nitrogen — 78 percent

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7 0
3 years ago
Which of the following chemical reactions will produce a precipitate? *
Zolol [24]

Answer:

A

Explanation:

8 0
3 years ago
Which of the following is true?
kotykmax [81]
Anwser is C for cesium
6 0
3 years ago
Read 2 more answers
Using the molarity equation, calculate how many grams of salt you need in order to make 80ml of a 2M solution (MW = 58.44g/mole)
ollegr [7]

Answer:

9.35g

Explanation:

The molarity equation establishes that:

\textrm{molarity}=\frac{\textrm{moles  of solute}}{\textrm{liters of solution}}

So, we have information about molarity (2M) and volume (80 ml=0.08 l), with that, we can find the moles of solute:

\textrm{moles of solute}=\textrm{molarity}*\textrm{liters of solution}

\textrm{moles of solute}= 0.08 \textrm{ l} *2\textrm{ M} = 0.16 \textrm{ mol}

The  mathematical equation that establishes the relationship between molar weight, mass and moles is:

\textrm{molar weight}= \frac{\textrm{mass}}{\textrm{moles}}

\textrm{MW}= \frac{\textrm{m}}{\textrm{n}}

We have MW (58.44g/mole) and n (0.16 mol), and we need to find m (grams of salt needed) to solve the problem:

\textrm{m} = \textrm{MW * n}= 58.44\frac{\textrm{g}}{\textrm{mol}} * 0.16 \textrm{ mol} = 9.35 \textrm{ g}

8 0
3 years ago
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