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4vir4ik [10]
2 years ago
9

Explain how light is produced in neon signs.

Chemistry
2 answers:
djyliett [7]2 years ago
8 0

Answer:

The energy that makes light is 'produced' when you pass a high-voltage alternating current through a low-pressure gas sealed in a glass tube.

Explanation:

Harrizon [31]2 years ago
7 0
The other person is right I’m pretty sure
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How many moles of Fe2O3 will be produced from a 18.0 grams of Fe
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Answer:

The answer to your question is 0.113 moles of Fe₂O₃

Explanation:

Data

moles of Fe₂O₃ = ?

mass of Fe₂O₃ = 18 grams

Process

1.- Calculate the molar mass of Fe₂O₃

Fe₂O₃ = (56 x 2) + (16 x 3)

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          = 160 g

2.- Use proportions to solve this problem. The molar mass is equivalent to 1 mol.

                   160 g of Fe₂O₃ --------------- 1 mol

                     18 g of Fe₂O₃ ---------------- x

                            x = (18 x 1)/160

                           x = 0.113 moles of Fe₂O₃

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