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geniusboy [140]
3 years ago
12

For which of the following molecules are resonance structures necessary to describe the bonding satisfactory ?

Chemistry
1 answer:
masya89 [10]3 years ago
4 0
The answers is E: PF3
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PLEASE HELP ME & will mark the brainliest!
AfilCa [17]

Answer:

HCOOH(aq) + OH-(aq) —> HCOO-(aq) + H2O(l)

Explanation:

HCOOH is a weak acid and so will not ionised completely in solution.

KOH is a strong base and will ionised completely as shown below

KOH(aq) –> K+(aq) + OH-(aq)

The overall reaction can be written as follow:

HCOOH(aq) + K+(aq) + OH-(aq) —> HCOO-(aq) + K+(aq) + H2O(l)

Cancel out the K+ to obtain the net ionic equation as shown below

HCOOH(aq) + OH-(aq) —> HCOO-(aq) + H2O(l)

3 0
4 years ago
What is the symbol for molarity?
Romashka-Z-Leto [24]

The answer in chemistry is mol/L and altho it is represented by the symbol M usually.

3 0
3 years ago
Read 2 more answers
Name the chemical reaction HCI +<br> NaOH → NaCl +<br> H20
Arte-miy333 [17]

Answer:

Neutralization reaction

Explanation:

This reaction involve an acid (HCl) reacting with a base (NaOH), producing a salt (NaCl) and water. Therefore it's a neutralization reaction.

7 0
3 years ago
7. How many moles are in 5 x 10 2 atoms of gold?
goblinko [34]

Answer:

8.3028894e-22

Explanation:

5x10^2 atoms/1 x 1 mol/6.022x10^23

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3 years ago
Gravity is best described as the attractive force _____.
Anettt [7]

Answer:

<em>think</em><em> </em><em>it's</em><em> </em><em>B</em>

Explanation:

Gravity is a force of attraction that exists between any two masses, any two bodies, any two particles. Gravity is not just the attraction between objects and the Earth. It is an attraction that exists between all objects, everywhere in the universe.

<em>H</em><em>o</em><em>p</em><em>e</em><em> </em><em>it'll</em><em> </em><em>help</em><em>!</em>

<em>s</em><em>t</em><em>a</em><em>y</em><em> </em><em>safe</em><em>:</em><em>)</em><em> </em><em>^</em><em>-</em><em>^</em>

4 0
4 years ago
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