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Kipish [7]
3 years ago
14

Which atmosphere layer is represented by F what are its characteristics

Chemistry
1 answer:
inysia [295]3 years ago
6 0

That wouod be the ionosphere!

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1. What volume is required to contain 100.0 mol O2 at STP?​
Colt1911 [192]

Answer:

The volume is 2238,6 L

Explanation:

We use the formula PV=nRT. The conditions STP are: 1 atm of pressure and 273K of temperature:

PV=nRT ---> V=(nRT)/P

V= 100 mol x 0,082 l atm/K mol x 273K/ 1 atm

<em>V=2238, 6L</em>

5 0
3 years ago
Which of these is used to find the estimated age range of a fossil?
Maksim231197 [3]

Answer:

Carbon-14

Explanation:

I don't know how to explain

8 0
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A loss of electrons by an atom creates an anion? <br> true or false
Nostrana [21]
That is false.

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But in detail anion means gaining of electrons.

So, a gain of electrons by an atom creates an anion.</span>
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2 years ago
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What do scientist use to measure the volume of a substance
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Scientists use a Graduated Cylinder
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Arrange the elements in order of increasing ionization energy: K,Br
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K has the lowest and Br has the higher
7 0
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