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Gala2k [10]
3 years ago
12

Considering the passage about crude oil, why is distillation the main process for separating the contents of crude oil? Crude oi

l is a homogeneous mixture. Crude oil is a heterogeneous mixture A major byproduct of crude oil is gasoline.
Chemistry
2 answers:
harina [27]3 years ago
5 0

Answer:

Crude oil is a homogeneous mixture.

Explanation:

I got it right.

makvit [3.9K]3 years ago
4 0

Answer: Crude oil is a homogeneous mixture.

Explanation: im doin edge

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3 years ago
The molar mass of an unknown gas was measured by an effusion experiment. It was found that it took 60 s for the gas to effuse, w
Marizza181 [45]

Answer:

The molar mass of the gas is 44 g/mol

Explanation:

It is possible to solve this problem using Graham's law that says: Rates of effusion are inversely dependent on the square of the mass of each gas. That is:

\frac{r_1}{r_2} =\frac{\sqrt{M_2} }{\sqrt{M_1} }

If rate of effusion of nitrogen is Xdistance / 48s and for the unknown gas is X distance / 60s and mass of nitrogen gas is 28g/mol (N₂):

\frac{X/48s}{X/60s} =\frac{\sqrt{M_2} }{\sqrt{28g/mol} }

6,61 = √M₂

44g/mol = M₂

<em>The molar mass of the gas is 44 g/mol</em>

<em></em>

I hope it helps!

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