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iVinArrow [24]
3 years ago
11

How many moles of oxygen react with 7.3 mole of iron?4Fe + 302 → 2Fe2O3​

Chemistry
1 answer:
Alexandra [31]3 years ago
4 0

Explanation:

7.3*3=21.9

21.9/4=5.475

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What do scientists use scientific notation for?
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3 years ago
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An atom has 11 protons, 10 electrons and 13 neutrons. What is the<br> charge for this atom?
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Answer:

<h3>the charge is +1 </h3>

Explanation:

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3 0
2 years ago
Which type(s) of matter would need to be separated by chemical methods?
Marta_Voda [28]

Answer:

solids, liquids, gases, or plasma

Explanation:

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3 0
3 years ago
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Luba_88 [7]

Answer:

Kr is a Noble Gas. Na is an alkali metal. F is halogen.

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Explanation:

8 0
3 years ago
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professor190 [17]

Answer:

0.144 nm

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