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rosijanka [135]
1 year ago
10

The 2 oxygen atoms forming molecules of oxygen gas that you breathe are joined by a polar covalent bond. explain why this statem

ent is true or false?
Chemistry
1 answer:
AlexFokin [52]1 year ago
3 0

This statement is false because two oxygen atoms are equally electron hungry and equally share their electrons.

<h3>Oxygen </h3>

The chemical element with the letters O and the atomic number 8 is called oxygen. It belongs to the chalcogen group of the periodic table and is a highly reactive nonmetal that rapidly forms oxides with most elements as well as with other compounds. The third-most plentiful element in the universe after helium and hydrogen is oxygen, which is also the most abundant element on Earth. Dioxygen, a colorless and odorless diatomic gas with the formula O2, is created when two of the element's atoms combine at standard temperature and pressure. Although this has changed significantly over time, diatomic oxygen gas currently makes up 20.95% of the Earth's atmosphere. Nearly 50% of the Earth's crust is made up of oxides, which contain oxygen.

Learn more about oxygen here:

brainly.com/question/2272415

#SPJ4

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Q Q 3. (08.02 MC)
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Answer: A volume of 455 mL from 0.550 M KBr solution can be made from 100.0 mL of 2.50 M KBr.

Explanation:

Given: V_{1} = ?,         M_{1} = 0.55 M

V_{2} = 100.0 mL,        M_{2} = 2.50 M

Formula used to calculate the volume of KBr is as follows.

M_{1}V_{1} = M_{2}V_{2}

Substitute the values into above formula as follows.

M_{1}V_{1} = M_{2}V_{2}\\0.55 M \times V_{1} = 2.50 M \times 100.0 mL\\V_{1} = 455 mL

Thus, we can conclude that a volume of 455 mL from 0.550 M KBr solution can be made from 100.0 mL of 2.50 M KBr.

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When the balanced reaction equation is:

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∴ the volume of Ca(OH)2 = 15.8 L HCl * 1.51 m HCl * (1mol Ca(OH)2/ 2mol HCl) *                                           (1L ca(OH)2/0.585 mol Ca(OH)2 

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