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Ksivusya [100]
2 years ago
12

1 Aluminum reacts with oxygen to produce aluminum oxide, what is the chemical equation?​

Chemistry
1 answer:
Roman55 [17]2 years ago
4 0

Answer:  Aluminum reacts with oxygen to produce aluminum oxide as follows: 4Al + 3O2 → 2Al2O3 a.

Explanation: I really really <u>hope</u> that was <u>helpful.</u>

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The Sun, Earth, and the Moon form a night angle.

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Predict the shape of the molecule.
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Number of electron pairs = \frac{1}{2}[V+N-C+A]

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[V+N−C+A]

V = number of valence electrons present in central atom

N = number of monovalent atoms bonded to central atom

C = charge of cation

A = charge of anion

SbCl_5SbCl

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In the given molecule, antimony is the central atom and there are five chlorine as monovalent atoms.

The number of electron pairs are 5 that means the hybridization will be sp^3dsp

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B and geometry of the molecule will be trigonal bipyramidal.

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2 years ago
If a 125 gms of radioactive element has a half life of 60 min how many half lives will it go through to become 3.90625 gms
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Answer:

  • 5

Explanation:

Let the number of half lives be x

<u>Solve this equation to find the value of x:</u>

  • 125*(1/2)ˣ = 3.90625
  • (0.5)ˣ = 3.90625 / 125
  • (0.5)ˣ = 0.03125
  • log (0.5)ˣ  = log 0.03125
  • x =  log 0.03125 / log 0.5
  • x = 5

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Water and carbon dioxide are waste products released as a direct result of​ materials

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