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Likurg_2 [28]
3 years ago
11

FREE POINTS+ BRAINLIEST

Chemistry
2 answers:
e-lub [12.9K]3 years ago
7 0

Answer:

KNO3

Explanation:

White raven [17]3 years ago
7 0

Answer:

KNO3

Explanation:

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This problem has been solved!
Vanyuwa [196]

Answer:

NaCl and water: Ion - Dipolo forces

NaCl and Hexane: Ion-ion force between Na+ and Cl− ions and London dispersion force between two hexane molecules

Explanation:

<u><em>NaCl and water:</em></u>

The <em>ion-dipole force</em> is established between an ion and a polar molecule.  Polar molecules are dipoles, they have a positive end and a negative end.

H2O has an important charge separation in its atoms (the H has a positive partial charge and the O has a negative partial charge) and this causes permanent electrical dipoles in the water molecules.

Sodium chloride is an ionic compound formed of positive and negative charge ions, Na + and Cl-. Depending on their charge, these ions will be attracted to opposite charges in the water molecules (H attracts chloride ions and O attracts sodium ions), causing the salt to dissolve in water.

<u><em> NaCl and Hexane:</em></u>

The dispersion forces of London occur between apolar molecules, and they occur because when two molecules approach a distortion of the electronic clouds of both originates, generating in them, transient induced dipoles, due to the movement of the electrons, so it allows interact with each other.

Hexane is a non-polar molecule, which are those that have no charge separation within the molecules. Then there is <em>London dispersion force between two hexane molecules. </em>

On the other hand, the <em>ion-ion force</em> is produced between ions of the same or different charge, where ions with charges of opposite sign attract each other and ions with charges of the same sign repel each other. This is the force that occurs <em>between the NaCl ion</em>s.

5 0
3 years ago
Which of the following is NOT true about relative dating?
Igoryamba

Answer:

It uses fossils to help pinpoint the ages of rocks.

Explanation:

Radiocarbon  dating can not be used  to determine the age of rocks.

Carbon dating works well only for objects that are less than 50,000 years.  Most rocks are far older than that. Over time, carbon-14 decays gradually  into nitrogen. Hence, we can not really use radiocarbon dating to determine the absolute age of a rock sample since the carbon-14 in the fossils of ancient rock samples may have completely decayed.

3 0
3 years ago
_KCIO, - __KCI + ___02
sweet [91]

Answer:

2,2,1

Explanation:

3 0
3 years ago
A water molecule is positively charged at one end and negatively charged at the other end and is said to be \what type of molecu
Mrrafil [7]

Answer:

B. Polar

Explanation:

Hope this helps!

6 0
3 years ago
does the nitro group on the pyridine ring make the ring more electron rich or more electron deficient
Arte-miy333 [17]

Answer:

more electron deficient

Explanation:

The nitro group is an electron withdrawing group. It withdraws electrons from the pyridine ring by resonance.

This electron withdrawal by resonance makes the pyridine ring less electron rich or more electron deficient.

Hence, the nitro group makes the pyrinde ring more electron deficient

3 0
3 years ago
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