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svp [43]
3 years ago
15

Can someone help me out plz

Chemistry
1 answer:
rosijanka [135]3 years ago
5 0

Answer:

#2 you multiply the numbers

Explanation:

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it can last for 30 minutes

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Which statement describes a chemical property that many elements might share?
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A mixture of H2 and water vapor is present in a closed vessel at 20°C. The total pressure of the system is 755.0 mmHg.
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7 0
3 years ago
for the reaction 2Fe + O2 = 2FeO, how many grams of iron oxide are produced from 8.00 mol of iron? when o2 is an excess
Luba_88 [7]

Answer:

2Fe + O₂ -------------------> 2FeO

8 mol Fe produce

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Explanation:

Having 8 mol of Iron means 8 moles of iron oxide can be produced. Each mole of iron oxide has a molecular weight of 71.85 grams. Therefore, 8 moles of iron oxide should weight 574.8 grams.

7 0
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