3 years ago

Explain how you would separate mixture of nitrogen and oxygen gases

1 answer:

5 0

Answer:

<h2>Cool the mixture to -200 degree Celsius. both gases turn their state to liquids. they are then separated using fractional distillation where as the temperature is increased, nitrogen is first collected because it has the lowest boiling point</h2>

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grin007 [14]

Answer:

<h3>The answer is 3.0 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

$density = \frac{mass}{volume} \\$

From the question

mass = 15 g

volume = 5 mL

We have

$density = \frac{15}{5} \\$

We have the final answer as

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professor190 [17]

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3 years ago

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How many moles in 843.211 grams of c6h12o6?

leonid [27]

Molar mass C6H12O6 = 12 x 6 + 1 x 12 + 16 x 6 = 180 g/mol

1 mole ------------ 180 g
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= 4,684 moles of C6H12O6

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3 years ago