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expeople1 [14]
3 years ago
11

Water molecules have a polarity, which allows them to be electrically attracted to other water molecules and other polar molecul

es by weak chemical bonds known as
Chemistry
2 answers:
scZoUnD [109]3 years ago
7 0
Hello there.

Water molecules have a polarity, which allows them to be electrically attracted to other water molecules and other polar molecules by weak chemical bonds known as
Hydrogen bonds
KATRIN_1 [288]3 years ago
5 0

Answer:   Hydrogen Bonds

Explanation:  Water molecules can be considered as the dipoles as it has having partial positive charge at one end that is on hydrogen and one end is having partial negative charge that is on oxygen.

Thus it has a tendency to show electrostatic forces of attraction towards the other molecules as well.

One water molecule can form 4 hydrogen bonds with 4 other molecule.

Thus these chemical bonds are known as Hydrogen bonds.

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Barium phosphide Ba3P2 BaP Ba3PO4
Novosadov [1.4K]

Answer:

It A(Ba3P2)

Explanation:

I took the test

6 0
3 years ago
3. What mass of copper could be deposited from a copper(II) Sulphate solution using a current of 5.0 A over 100 seconds? ( F =96
arsen [322]

Mass of copper : 0.165 g

<h3>Further explanation</h3>

Given

5.0 A over 100 seconds

Required

Mass of copper

Solution

Faraday's law:

<em>The mass of the substance formed at each electrode is proportional to the electric current flowing in the electrolysis</em>

<em />\tt W=\dfrac{e.i.t}{96500}<em />

e = Ar / valence = eqivalent weight

i = current

t = time

W = weight

CuSO₄ ----> Cu²⁺ + SO₄²⁻

Cu ----> Cu²⁺ + 2e

e = Ar/2

= 63,5/2 = 31,75

\tt W=\dfrac{31.75\times 5\times 100}{96500}=0.165~g

8 0
3 years ago
What is the mass of 2.90 ×1022 molecules of NaOH (Molar mass = 40.0 g/mol)?
ivann1987 [24]
40.0 g ( 1 mole ) --------------- 6.02x10²³ molecules
      ? ? --------------------------- 2.90x10²² molecules

mass = 2.90x10²² * 40.0 /  6.02x10²³

mass = 1.16x10²⁴ / 6.02x10²³

mass = 1.9269 g

hope this helps!

3 0
3 years ago
Morgan wants to compare the weather conditions at her school each day during the week. She decides to measure and record weather
Firlakuza [10]

Answer: Air Temperature

8 0
3 years ago
Which substance is a compund
Oxana [17]
Answers:
______________________________________________
  1)   [D]:  " CO₂ " .  

<u>Note:</u><u> </u> This is the only answer choice given that is composed of:  "at least two different elements" .
_______________________________________________
  2)  [D]:  "carbon and hydrogen" {"C" and "H" .} .
_______________________________________________
7 0
4 years ago
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