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LUCKY_DIMON [66]
2 years ago
8

Which of the following is an example that includes evidence of a chemical reaction?

Chemistry
1 answer:
Elenna [48]2 years ago
6 0
It is c took the test
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An unknown compound has the following chemical formula: Mg_xCl_2
Art [367]

Answer:

Explanation:

Given parameters:

number of moles magnesium = 6.80mol

number of moles of chlorine = 13.56mol

To find the complete chemical formula, we should obtain the formula of the compound.

                                Mg                            Cl

Number of

moles                      6.8                           13.56

Dividing

by the smallest      6.8/6.8                    13.56/6.8

                                    1                                2

  The formula of the compound is MgCl₂

This is an ionic compound in which Magnesium loses two electrons that would be gained by Cl atoms requiring just an electron each to complete their octet.

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Potato plants with a Jellyfish gene will glow when they need to be watered.
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This statement is true, potato plants with jellyfish genes do in fact glow when they need to be watered!

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3 years ago
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Answer:

7688

Explanation:

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The average volume of a cotton ball is about 5.50 mL. If the mass of the cotton ball is 8.53 g, what is the density of cotton?
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Answer:

Explanation:

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