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2 years ago

5

A flexible container has 5.00 L of nitrogen gas at 298 K. If the temperature is increased to 333 K, what will be the new volume

of that sample of nitrogen?
0.179 L
0.223 L
4.47 L
5.59 L

2 answers:

-BARSIC- [3]2 years ago

4 0

Answer:

5.59 L

Explanation:

I think this correct

Vlad [161]2 years ago

4 0

Answer:

5.59 L

Points earned on this question: 4

Explanation:

took the test

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A 40.0 L balloon is filled with air at sea level (1 atm @ 25 oC). It is then tied to a rock and thrown into a cold lake and it s

velikii [3]

To solve this question you need to calculate the number of the gas molecule. The calculation would be:
PV=nRT
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</span>n= 1.636 moles

The volume at bottom of the lake would be:
PV=nRT
V= nRT/P
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3 years ago

A 10 gram sample of iron reacts with oxygen to form 18.2 grams of ferric oxide. How many grams of oxygen reacted?

RoseWind [281]

Answer:

$\boxed {\boxed {\sf 8.2 \ grams}}$

Explanation:

According to the Law of Conservation of Mass, the mass of the products must equal the mass of the reactants.

mass products = mass reactants

In this problem, the reaction is:

$iron + oxygen = ferric \ oxygen$

The reactants are iron and oxygen. We know the mass of the iron sample is 10 grams.

The product is ferric oxide. The mass of the ferric oxide sample is 18.2 grams.

$10 \ g + oxygen=18.2 \ g$

We want to find how many grams of oxygen reacted. We have to get the oxygen by itself. 10 is being added to oxygen. The inverse of addition is subtraction. Subtract 10 from both sides of the equation.

$10 \ g - 10 \ g+ oxygen = 18.2 \ g - 10 \ g$

$oxygen= 18.2 \ g - 10 \ g$

$oxygen= 8.2 \ g \\$

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3 years ago

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Explanation:

Hope it helps you

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mylen [45]

Answer:

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Explanation:

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