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earnstyle [38]
2 years ago
5

True or false: potential energy increases as like charges get closer to one another

Chemistry
1 answer:
Veronika [31]2 years ago
3 0
True, is the correct answer.
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In a physical change of matter,​
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3 years ago
Generally, what happens to the rate of dissolution for a solid solute when you change from stirring a solution to not stirring i
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Calculate the mass of calcium chloride that contains 3.20 x 1024 atoms of chlorine.
frez [133]

Answer:

294.87 gm  CaCl_2

Explanation:

The computation of the  mass of calcium chloride is shown below:

But before that following calculations need to be done

Number of moles of chlorine atom is

= 3.20 × 10^24 ÷ 6.022 × 10^23

= 5.314 moles

As we know that

1 mole CaCl_2 have the 2 moles of chlorine atoms

Now 5.341 mole chloride atoms would be

= 1 ÷ 2 × 5.314

= 2.657 moles

Now

Mass of CaCl_2 = Number of moles × molar mass of  CaCl_2

= 2.657 moles × 110.98 g/mol

= 294.87 gm  CaCl_2

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