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3 years ago

Use the Periodic Table.

Chemistry

1 answer:

Zina [86]3 years ago

4 0

Answer:

The answer to your question is: d

Explanation:

Electron configuration of Carbon.

Atomic number of carbon = 6

a) 1s²2s²2p¹ Number of electrons = 5, This is the electron configuration of Boron.

b) 1s²2s²2p⁴ Number of electrons = 8. This is the electron configuration of oxygen.

c) 1s²2s²p² Number of electrons = 6. This is the electron configuration of carbon. But I think is lacking a number two before p.

d) 1s²2s²2p² Number of electrons 6, This is the correct electron configuration of carbon.

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2 years ago

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nirvana33 [79]

Answer:

The answer to your question is P2 = 2676.6 kPa

Explanation:

Data

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Temperature 1 = T1 = -108°C Temperature 2 = 22°C

Pressure 1 = P1 = 100 kPa Pressure 2 = P2 = ?

Process

- To solve this problem use the Combined gas law.

P1V1/T1 = P2V2/T2

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P2 = P1V1T2 / T1V2

- Convert temperature to °K

T1 = -108 + 273 = 165°K

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- Convert volume 2 to liters

1000 ml -------------------- 1 l

855 ml -------------------- x

x = (855 x 1) / 1000

x = 0.855 l

-Substitution

P2 = (12.8 x 100 x 295) / (165 x 0.855)

-Simplification

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3 years ago