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Andre45 [30]
3 years ago
7

Is mesosphere is where most of meteoroids begin to burn?

Chemistry
2 answers:
Serjik [45]3 years ago
6 0

Answer:

Meteoroids urn up in mesosphere because there are a lot of gases that cause friction. Friction causes heat, hence meteoroids burn in mesosphere.

Paha777 [63]3 years ago
5 0

Answer:

The mesosphere is 22 miles (35 kilometers) thick. ... Those meteors are burning up in the mesosphere. The meteors make it through the exosphere and thermosphere without much trouble because those layers don't have much air. But when they hit the mesosphere, there are enough gases to cause friction and create heat.

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7 0
3 years ago
The sp3 hybridization has what percent s character and what percent p character respectively?
Salsk061 [2.6K]

Answer:

The sp³ orbital hybridization has 25% s-character and 75% p-character.

Explanation:

Hybridization refers to the process of mixing of a given number atomic orbitals to form equal number of new hybrid orbitals. The three types of hybrid orbitals are sp³, sp² and sp.

The<u> four sp³ hybridized orbitals</u> are formed by the mixing of <u>one s orbital and three p orbitals.</u>

Thus s-character in a sp³ hybridized orbital = (1÷4)×100 = 25%

and p-character in a sp³ hybridized orbital = (3÷4)×100 = 75%

<u>Therefore, the sp³ orbital hybridization has 25% s-character and 75% p-character.</u>

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3 years ago
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2 years ago
10. (a) Describe how the structure of an alloy is different to a pure metal
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(1 Point)
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(1 Point)
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Elements may be used once, more than once or not all.. Single line text.
(1 Point)
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(1 Point)

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5.For each of the following, give the name of an element from Period 4 (potassium to krypton), which matches the description.
Elements may be used once, more than once or not all.. Single line text.
(1 Point)
an element with a fixed valency of 2 that not is not in group 2

Help
4 0
3 years ago
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