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Firlakuza [10]
4 years ago
10

How to know if a molecule is polar or nonpolar?

Chemistry
1 answer:
umka21 [38]4 years ago
4 0
Usually polar molecules have lone pairs because of their asymmetrical distribution of charge.

you can determine a molecules polarity by using a chart showing elements different electronegativities and subtracting them

ex. NonPolar molecules have electronegativities from 0.0 to 0.2, I have polar molecules have electronegativities from 0.2-1.4.
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Why does buck ministerfullerene act as a good lubricant
MakcuM [25]

Answer:

Its molecules are made up of 60 carbon atoms joined together by strong covalent bonds. Molecules of C 60 are spherical. There are weak intermolecular forces between molecules of buckminsterfullerene. These need little energy to overcome, so buckminsterfullerene is slippery and has a low melting point.

Explanation:

5 0
3 years ago
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Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl(aq), as
zubka84 [21]

Answer:

Explanation:

MnO₂(s) + 4 HCl(aq)  = MnCl₂(aq) + 2 H₂O(l) + Cl₂

87 g                                                                     22.4 x 10³ mL

volume of given chlorine gas at NTP or at 760 Torr and 273 K

=  175 x ( 273 + 25 ) x 715 / (273 x 760 )

= 179.71 mL

22.4 x 10³ mL of chlorine requires 87 g of MnO₂

179.4 mL of chlorine will require    87 x 179.4 / 22.4 x 10³ g

= 696.77 x 10⁻³ g

= 696.77 mg .

6 0
3 years ago
Please Answer! 10 Points!
MA_775_DIABLO [31]
1 is b
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4 0
3 years ago
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How do tidal bulges form?
Troyanec [42]

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Explanation:

4 0
2 years ago
PLEASE HELP The arrows in the chart below represent phase transitions.
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1, 2, and 3

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