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Vsevolod [243]
3 years ago
9

What is the process used to separate two liquids in a mixture?

Chemistry
2 answers:
valentinak56 [21]3 years ago
6 0

Answer:

fractional distillation

Explanation:

Dmitry [639]3 years ago
5 0
Fractional distillation is a method for separating a liquid from a mixture of two or more liquids. This method works because the liquids in the mixture have different boiling points.
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Explain why it is not a good idea to throw an arsenal canon to fire. Which gas law applies?
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Answer:

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Explanation:

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Classify the following change as physical or chemical: A match lights when struck.
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What is the mass of 8.12 × 10^23 molecules of CO2 gas? (Atomic mass of carbon = 12.011 u; oxygen = 15.999 u.)
amid [387]

Answer:

m=59.3gCO_2

Explanation:

Hello,

In this case, the first step is to compute the molar mass of carbon dioxide as shown below, considering it has one carbon atom and two oxygen atoms:

M=12.011g/mol+2*15.999g/mol\\\\M=44.009g/mol

It is important to notice it is the mass in one mole of such compound. Afterwards, we need to use the Avogadro's number to compute the how many moles are in the given molecules of carbon dioxide as shown below:

mol=8.12x10^{23}molec*\frac{1mol}{6.022x10^{23}molec} =1.35mol

Finally, the mass by using the molar mass:

m=1.35mol*\frac{44.009g}{1mol} \\\\m=59.3gCO_2

Best regards.

4 0
3 years ago
What is the name of this compound?<br><br> C6H6-<br> C=O-<br> H
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3 years ago
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