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maksim [4K]
3 years ago
13

Which number represents the water table? 1 2 3 4

Chemistry
2 answers:
Mars2501 [29]3 years ago
7 0

Answer:

2

Explanation:

the level below which the ground is saturated with water.

zimovet [89]3 years ago
3 0

Answer:

I think that is number 3

Explanation:

3

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Xelga [282]

Answer:

(B) F⁻, HCOOH

Explanation:

(A) CH₄, HCOOH

(B) F⁻, HCOOH

(C) F⁻, CH₃-O-CH₃

The hydrogen bonds are formed when the hydrogen is found between two electronegative atoms such as oxygen (O), nitrogen (N) or florine (F).

O····H-O, F····H-O, O····H-N

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- formic acid HCOOH can form hydrogen bonds with water

H-C(=O)-O-H····OH₂

(B) F⁻, HCOOH

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F····OH₂

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- floride (F⁻) can form hydrogen bonds with water

F····OH₂

4 0
2 years ago
80. Calculate AHıxn for the reaction:<br><br> CaO(s) + CO2(g) → CaCO3().
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