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kramer
3 years ago
12

Write a more stable contributing structure for the following molecule. Be sure to specify formal charges, if any, and include lo

ne pairs of electrons.Chemical bond structure

Chemistry
1 answer:
Lelu [443]3 years ago
7 0

Complete Question

The complete question is shown on the first uploaded image

Answer:

The answer is shown on the second, third  and fourth uploaded image

Explanation:

The explanation is shown on the second, third  and fourth uploaded image

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A friend tells you, because composition does not change during a physical changes, the appearance of a substance does not change
Travka [436]
That friend is not correct. Physical change is characterized by a change in appearance without any change in composition. So, if the appearance did not change in the situation, then there is no change in the system. This type of change affects the form of a substance but not the composition or the structure of the molecules. Examples of this type of change are ice melting, cutting a paper into half, clay is molded to a new shape, butter melting, water evaporating. The change that involves a change in chemical composition is classified a chemical change. In this type of change, chemical reactions would take place.
3 0
3 years ago
An ionic compound has the general formula, XCl2. Element X comes from which group? Justify your answer with an explanation and p
Rashid [163]

Answer:

metal group

Explanation:

ionic bond = nonmetal + metal

Cl = nonmetal (you need a metal0

ex. LiCl2 or CaCl2

- Hope that helped! Let me know if you need a further explanation.

6 0
3 years ago
Why is the thiosulfate solution stored in the dark?
Pani-rosa [81]
Solutions of thiosulfate are light-sensitive. When exposed to light, they break down into <span>sulfur, sulfite, and sulfate compounds. That is why as much as possible, they must be stored in the dark. This is also the reason why they are stored in amber (dark-colored) bottles.</span>
6 0
3 years ago
What mass of water must be added to 5g of nacl to make 5% mass persentage of the solution?
Vitek1552 [10]

Answer:-

95 grams

Explanation:-

Let the mass of water to be added be M

So total mass = 5 + M

So 5% of this solution has 5g of NaCl by mass.

∴ (M+5) x (5/100) = 5

M+5 = 5 x 100/5

M+5=100

M= 100-5

95

So amount of water to be added is 95 gram

8 0
3 years ago
Which chemical is a reactant in the reaction shown?<br> A. HCI<br> B. CO₂<br> C. H₂O<br> D. NaCI
zzz [600]
More detail please :)
3 0
3 years ago
Read 2 more answers
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