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marta [7]
3 years ago
6

13. Base your answer to the following question on the information below and on your knowledge of chemistry.

Chemistry
1 answer:
ahrayia [7]3 years ago
8 0

From our knowledge of periodic trends, the screening effect of the inner electrons outweigh the increase in nuclear charge causing the atomic radius to increase.

<h3>Periodic trends</h3>

The periodic trends are those properties that increase or decrease down the group or across the period. These periodic trends include;

  • Ionization energy
  • Electron affinity
  • Atomic radius
  • Ionic radius etc

As more shell are added down the group in group 14, the screening effect of the inner electrons outweigh the increase in nuclear charge causing the atomic radius to increase.

Learn more about periodic trends: brainly.com/question/12074167

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At elevated temperatures, sodium chlorate decomposes to produce sodium chloride and oxygen gas. A 0.8765-g sample of impure sodi
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Answer:

z = 18,46%

Explanation:

First we need to discover the mole number of the O2 produced so we use PV=nRT

734 torr * 57.2*10^-3 L = n 62.3637 * 295.15 K

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n = \frac{41,98}{18.406}

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x - 2,28*10^-3 moles O2

X= 1,52*10^-3 moles of NaClO3

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y = 0,1617 g

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0,1617 g - z

z = 18,46%

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How many moles of oxygen gas (O2) are in a 2.50 L container at standard temperature and pressure?
Anon25 [30]

Hey there!:

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Answer B


Hope that helps!

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