Silicon nitride, a very hard, high-temperature resistant ceramic used as the material for turbine blades in jet engines is prepared by reacting silicon with nitrogen gas. The balanced chemical reaction is given below: 3 Siçs) + 2 N2 (9) → SizNa (s) A. What mass of nitrogen gas (molar mass: 28.014 g/mol) reacts with 10.00 g of silicon (molar mass: 28.085 g/mol)? Oa. 6.650 g N2 Ob. 6.667 g N2 Oc. 14.96 g N2 Od. 15.00 g N2 B. How much SigN4 (molar mass: 140.28 g/mol) is produced by reacting 10.00 g of silicon in excess nitrogen gas? Oa. 30.00 g SigN4 Ob. 16.65 g SIN4 Oc. 3.333 g SI3N4 Od. 14.98 g SiN4 C. If the actual amount of SigN4 produced from 10.00 g of silicon is 11.31 g, what is the percent yield of the reaction? Oa.75.50% Ob. 342.7% Oc. 67.93% Od. 37.70%

Silicon nitride, a very hard, high-temperature resistant ceramic used as the material for turbine blades in jet engines is prepared by reacting silicon with nitrogen gas. The balanced chemical reaction is given below: 3 Siçs) + 2 N2 (9) → SizNa (s) A. What mass of nitrogen gas (molar mass: 28.014 g/mol) reacts with 10.00 g of silicon (molar mass: 28.085 g/mol)? Oa. 6.650 g N2 Ob. 6.667 g N2 Oc. 14.96 g N2 Od. 15.00 g N2 B. How much SigN4 (molar mass: 140.28 g/mol) is produced by reacting 10.00 g of silicon in excess nitrogen gas? Oa. 30.00 g SigN4 Ob. 16.65 g SIN4 Oc. 3.333 g SI3N4 Od. 14.98 g SiN4 C. If the actual amount of SigN4 produced from 10.00 g of silicon is 11.31 g, what is the percent yield of the reaction? Oa.75.50% Ob. 342.7% Oc. 67.93% Od. 37.70%

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter4: Stoichiometry

Section: Chapter Questions

Problem 4.87PAE

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Concept explainers

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

Hi, I need answers on these problem with three subquestions. Thank u!

Silicon nitride, a very hard, high-temperature resistant ceramic used as the material for turbine blades in jet
engines is prepared by reacting silicon with nitrogen gas. The balanced chemical reaction is given below:
3 Siçs) + 2 N2 (9) → SizNa (s)
A. What mass of nitrogen gas (molar mass: 28.014 g/mol) reacts with 10.00 g of silicon (molar mass: 28.085
g/mol)?
Oa. 6.650 g N2
Ob. 6.667 g N2
Oc. 14.96 g N2
Od. 15.00 g N2
B. How much SigN4 (molar mass: 140.28 g/mol) is produced by reacting 10.00 g of silicon in excess nitrogen
gas?
Oa. 30.00 g SigN4
Ob. 16.65 g SIN4
Oc. 3.333 g SI3N4
Od. 14.98 g SiN4
C. If the actual amount of SigN4 produced from 10.00 g of silicon is 11.31 g, what is the percent yield of the
reaction?
Oa.75.50%
Ob. 342.7%
Oc. 67.93%
Od. 37.70%

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