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Nimfa-mama [501]
2 years ago
7

What question would a student need to ask to form a compound with Group 16 nonmetals

Chemistry
1 answer:
SVETLANKA909090 [29]2 years ago
5 0

Since nonmetals gain electrons, the correct question to ask about group 16 elements is; "Will group 16 elements gain electrons to bond with group 2 in an XY format?"

Group 16 elements are divalent and they form divalent negative ions. The periodic table is arranged in groups and periods. The elements in the same group have the same number of valence electrons. All elements in group 2 have six valence electrons.

If a wants to form a compound with the non metals of group 16, the correct question to ask is;"Will group 16 elements gain electrons to bond with group 2 in an XY format?"

Learn more: brainly.com/question/14281129

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Why do giraffes have long necks that allow them to eat leaves in trees? A. for acquiring energy
yan [13]
It could be either A or B hope this helps
7 0
4 years ago
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Consider the following chemical reaction of bromothymol blue indicator. It appears yellow in undissociated form and blue in its
TiliK225 [7]

The addition of hydrogen carbonate to bromothymol blue turns the solution blue. Thus, option B is correct.

The balanced equation for the dissociation of bromothymol blue is:

\rm HC_2H_3O_2\;\leftrightharpoons H^+\;+\;C_2H_3O_2^-

The color of dissociated form is yellow and undissociated form is blue.

<h3>What is the final color of solution?</h3>

The addition of hydrogen carbonate results in the dissociated ions as:

\rm H_2CO_3\;\rightarrow\;2\;H^+\;+\;CO_3^-

The dissociation results in the increased hydrogen ion concentration. The undissociated form in the reaction mixture increases.

Thus, the color of the solution will turn blue. Hence, option B is correct.

Learn more about bromothymol blue, here:

brainly.com/question/24319054

6 0
3 years ago
Which substance increases in solubility as the temperature decreases?
Arlecino [84]
NH₃ would.  This is because of the fact that ammonia is a molecular gas while the other options are ionic crystals.  Crystals increase in solubility when the temperature increases while gases increase in solubility while temperatures deceases.

I hope this helps.  Let me know in the comments if anything is unclear or if you want me to explain anything is more detail.
7 0
3 years ago
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What cells in living organisms are diploid
Pavlova-9 [17]

Question

<em>what cells in living organisms are diploid?</em>

Answer:

<em>Most mammals are diploid organisms, which means they have two homologous copies of each chromosome in the cells. In humans, there are 46 chromosomes. In most diploid organisms, every cell except for gametes will be diploid and contain both sets of chromosomes.</em>

Hope this helps!

5 0
4 years ago
<img src="https://tex.z-dn.net/?f=H_2PO_4%5E-%28aq%29%20%5Crightarrow%20H%5E%2B%28aq%29%20%2B%20HPO_4%5E%7B2-%7D%28aq%29" id="Te
klasskru [66]

Answer:

The pH of the buffer solution = 8.05

Explanation:

Using the Henderson - Hasselbalch equation;

pH = pKa₂ + log ( [HPO₄²-]/[H₂PO4⁻]

where pKa₂ = -log (Ka₂) = -log ( 6.1 * 10⁻⁸) = 7.21

Concentration of OH⁻ added = 0.069 M (i.e. 0.069 mol/L)

[H₂PO4⁻] after addition of OH⁻ = 0.165 - 0.069 = 0.096 M

[HPO₄²-] after addition of OH⁻ = 0.594 + 0.069 = 0.663 M

Therefore,

pH = 7.21 + log (0.663 / 0.096)

pH = 7.21 + 0.84

pH = 8.05

4 0
3 years ago
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