3 years ago

Use of fractional distillation ?

1 answer:

3 0

Fractinal distillation is used in the production of gasoline, distilled water, xylene, alcohol, paraffin, kerosene, and many other liquids.

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uranmaximum [27]

Answer:

for one mole of C2H6 there are 7/2 mole of O2 required. so for4. 50 moles you require 4.50 x 7/2 = 15.75 moles of O2.

Explanation:

i hope it's helpful

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2 years ago

Troyanec [42]

Answer:

The concentration of the copper sulfate solution is 83 mM.

Explanation:

The absorbance of a copper sulfate solution can be calculated using Beer-Lambert Law:

A = ε . c . <em>l</em>

where

ε is the extinction coefficient of copper sulfate (ε = 12 M⁻¹.cm⁻¹)

c is its molar concentration (what we are looking for)

l is the pathlength (0.50 cm)

We can use this expression to find the molarity of this solution:

$c=\frac{A}{\epsilon.l } =\frac{0.5}{12M^{-1}cm^{-1}0.50cm } =0.083M=83mM$

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2 years ago

Lelechka [254]

Well people say the world's going to end soon so people need to find another planet to live on they're thinking about Mars at the moment

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3 years ago

Snezhnost [94]

Your answer is B. It gets energy from the Sun.
Have a great day :)

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2 years ago

erma4kov [3.2K]

This is some information about the potential energy.

Explanation:

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2 years ago