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Talja [164]
3 years ago
15

What do you look for in a girl/guy?

Chemistry
1 answer:
Delicious77 [7]3 years ago
7 0

Answer:

personality  it’s not about looks or how much you wiegh or anything all that doesn’t matter it’s all about what’s on the inside none of that matters if you have a good personality:)

Explanation:

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A scientist claims to have a cooling apparatus kept at -100C by liquid nitrogen. Is this possible? Why or why not?
Vilka [71]

Answer:

It is not possible

Explanation:

Nitrogen is a light gas that find application in my areas including being used to keep things cold.It has a freezing point of -210°c so the scientist Nitrogen in the question at 100°c have already freezed and no longer a liquid.

5 0
4 years ago
The number 0.0020 expressed in scientific notation is?
Feliz [49]

Answer: Here's your answer: Therefore, the decimal number 0.0020 written in scientific notation is 2 × 10-3 and it has 2 significant figures. Here are some more examples of decimal to scientific notation 0.00200 in scientific notation

Explanation: Pls mark me brainiest pls

8 0
2 years ago
Read 2 more answers
Which type of bond happens when electrons are transferred
Lynna [10]
Ionic bonding is the answer
3 0
3 years ago
A 360. mg sample of aspirin, C9H8O4, (molar mass 180. g), is dissolved in enough water to produce 200. mL of solution. What is t
Gemiola [76]

Answer:

Molarity = 0.01 M

Explanation:

Molarity is used to measure the concentration of a solution. It will be same for the whole solution or a small amount of solution if the solution is homogeneous.

So, <u>Molarity of 200 mL of solution = Molarity of 50 mL of solution</u>

\mathbf{Molarity = \frac{number \ of \ moles \ of \ solute}{Volume \ of \ solution \ (in \ liters)}}

\mathbf{Moles = \frac{given \ mass \ of \ compound}{molar \ mass \ of \ compound}}

given mass of aspirin = 360 mg = 0.36 g

molar mass of aspirin = 180 g

Volume of solution = 200 mL = 0.2 L

\mathrm{Mole \ of \ Aspirin = \frac{0.36}{180} = \mathbf{0.002 \ moles}}

\mathrm{Molarity = \frac{0.002}{0.2} = \mathbf{0.01 \ M}}

Therefore, Molarity = 0.01 M

7 0
3 years ago
How many moles of carbon dioxide gas occupy a volume of
zalisa [80]

Answer:

5.42

Explanation:

I used a calculator

5 0
3 years ago
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