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Tresset [83]
3 years ago
9

What does the atmosphere do for us

Chemistry
1 answer:
Rasek [7]3 years ago
3 0
The atmosphere protects us and what is on earth from the suns rays and also harmful radiation. It's kind of like a barrier between the sun's direct rays and earth. <span />
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Work=? time=5s Power = 40w
antiseptic1488 [7]

Answer:

200 J

Explanation:

Work = Power x time

Work = (40w)(5s)

Work = 200 J

5 0
3 years ago
S 2<br> How many protons
serg [7]
16 protons
Explanation: S2-: proton number 16; nucleon number 32
There are 16 protons (from the proton number). If it was a neutral atom, there would be 16 electrons.
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3 years ago
All of the following are forms of water in the atmosphere EXCEPT _________.
solong [7]

Answer:

OZONE

Explanation:

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3 0
2 years ago
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Which of these chemical formulas — Cl2 , KCI, Ar, NO2– represents both an element and a molecule ?
Tasya [4]

The answer is: Cl2.

Chlorine is diatomic molecule made of two chlorine atoms.

Diatomic molecules are molecules made of two atoms.

They can be homonuclear (molecule made of two atoms of the same element) and heteronuclear (molecule made of two different atoms).

Chlorine (Cl) is halogen element.

Halogen elements are in group 17: fluorine (F), chlorine (Cl), bromine (Br) and iodine (I). They are very reactive and easily form many compounds.



4 0
3 years ago
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How many moles of LiF would be required to produce a 2.5 M solution with a volume of 1.5L
mihalych1998 [28]

Multiply the values.

n = cv

Where

n =mol

c = concentration

v = volume

n = 2.5×1.5 = 3.75mol

3 0
3 years ago
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