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Due to its hardness, thermal stability, and resistance to wear, silicon nitride is used in cutting...

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Chemistry

Due to its hardness, thermal stability, and resistance to wear,silicon nitride is used in cutting tools. It can be producedthrough the following chemical reaction. 3 Si(s) + 2 N2(g) „³Si3N4(s) A combination of 123 g of N2 and 160 g Si is used.

a. What is the theoretical yield of silicon nitride?

b. What mass of the excess reactant remains after the reactionis allowed to progress?

Answer & Explanation Solved by verified expert
3.5 Ratings (597 Votes)
Molar mass of Si 28 gmolMolar mass of N2 2x14 28 gmolMolar mass of Si3N4 3x28 4x14 140 gmol3 Sis 2 N2gSi3N4sAccording to    See Answer
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