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Maurinko [17]
3 years ago
10

Calculate the volume of a 0.323-mol sample of a gas at 265 K and 0.900 atm.

Chemistry
1 answer:
Katarina [22]3 years ago
5 0

Answer:

V = 7.8 L

Explanation:

Message

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Doss [256]

Answer:

Modern chemistry describes the composition, structure, and physical and chemical properties of substances. ... The main aim of modern chemistry is to improve the communication and conversation among the scientists, researchers, engineers, and policymakers, who are working under the area of modern chemistry

Explanation:

I hope this helps you!!

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Describe the uses of the following safety equipment. Fire extinguisher-
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To Put of a Fire.

Explanation:

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What is the mass of 3.20x10^23 formula units of iron (III) oxide (Fe2O3)?
yaroslaw [1]

The mass of iron (III) oxide (Fe2O3) : 85.12 g

<h3>Further explanation</h3>

Given

3.20x10²³ formula units

Required

The mass

Solution

1 mole = 6.02.10²³ particles  

Can be formulated :

N = n x No

N = number of particles

n = mol

No = 6.02.10²³ = Avogadro's number

mol of Fe₂O₃ :

\tt n=\dfrac{3.2.10^{23}}{6.02.10^{23}}=0.532

mass of Fe₂O₃ (MW=160 g/mol)

\tt mass=mol\times MW=0.532\times 160=85.12~g

4 0
2 years ago
Help please chemistry will give brainliest
Jlenok [28]

Answer:

Explanation:

The Ideal Gas Law states that PV=nRT.

Rearrange that into P/n=RT/V.

In this case, the cylinder is rigid so the volume, V, does not change.

Temperature does not change either.

Out of 450 grams of gas, 150 grams leak out. So only 450-150 = 300 grams is left.

n is number of moles which is dependent on mass:

n1/n2 = 450/300 = 3/2

P1/n1 = RT/V = P2/n2

P2 = P1/n1*n2

= 7.2/3*2

= 4.8 atmosphere

6 0
3 years ago
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Which statement describes clean air as a natural resource? Select three options.
Mumz [18]

Answer:

a,d,e

Explanation:

its a,d, and e because clean air keeps us alive and other organisms need it to stay alive

6 0
3 years ago
Read 2 more answers
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