Question
Asked Sep 19, 2019
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Silicon nitride (Si3N4) a valuable ceramic, is made by the direct combination of silicon and nitrogen at high temperature.

How many grams of silicon must react with excess nitrogen to prepare 125g Si3Nif the yield of the reaction is 85.0%?

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Expert Answer

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Step 1

Unbalanced reaction can be written as

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SitNSi,N

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Step 2

Balanced reaction can be written as

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3Si+2N2S,N,

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Step 3

Theoretical yield can b...

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actual yidld thearetical yield Percentage yield 100% 125 g Si,N, theoretical yield 85% 100% theoretical yield 125x100 85 147.05gSi,N

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Chemistry

Inorganic Chemistry

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