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Hoochie [10]
2 years ago
9

Which of the following is a physical or chemical characteristic of a mineral?

Chemistry
1 answer:
Rasek [7]2 years ago
6 0
Minerals physical characteristics are hardness,luster,the way it’s solid and chemical would be the way the color changes and it’s density
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4 Na + O2 → 2 Na2O<br><br> 6.79 moles of O2 will react to form how many moles of Na2O?
Nataly_w [17]

Answer:

13.94moles of Na₂O

Explanation:

The balanced reaction expression is given as:

        4Na  +  O₂  →   2Na₂O

Given parameters:

Number of moles of O₂ = 6.97moles

Unknown:

Number of moles of Na₂O

Solution:

 To solve this problem;

            1 mole of O₂  will produce 2 moles of Na₂O ;

            6.97 moles of O₂ will produce 6.97 x 2  = 13.94moles of Na₂O

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2 years ago
Zinc metal reacts with copper sulfate through the following
morpeh [17]

Answer:

26.9

Explanation:

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2 years ago
In the crystal structure of potassium oxide, the oxide ions are coordinated by eight potassium ions. part a what is the coordina
Ugo [173]
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5 0
3 years ago
CLUES:
Phantasy [73]
5 because it makes sense
5 0
2 years ago
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