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Tems11 [23]
3 years ago
6

HELP!!! OPTIONS: gas, liquid, solid

Chemistry
1 answer:
erica [24]3 years ago
3 0

Answer:

Melting: solid liquid, Freezing: liquid to solid, Evaporation: liquid to gas.

Explanation:

mark me the brainliest

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1. Starting with 9.3 moles of O 2 , how many moles of H 2 S will be needed and how many moles of SO 2 will
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Answer:

Moles of H₂S needed = 6.2 mol

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Explanation:

Given data:

Number of moles of O₂ = 9.3 mol

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Solution:

Chemical equation:

2H₂S + 3O₂      →    2SO₂ + 2H₂O

Now we will compare the moles of oxygen with H₂S.

                  O₂             :           H₂S

                    3             :             2

                   9.3            :         2/3×9.3 = 6.2 mol

Now we will compare the moles of SO₂ with both reactant.

                   O₂             :            SO₂

                    3              :               2

                   9.3            :         2/3×9.3 = 6.2 mol      

                 H₂S             :            SO₂

                    2              :               2

                   6.2            :          6.2 mol      

So 6.2 moles of  SO₂ are produced.

         

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