Answer the questions below and Show your work. 1.) Consider the reaction: 2 SizH2 + 5 O2 → 4 SiO2 + 2 H2O a.) If you had 7 mol SigH2, how many moles of H20 would you need for the above reaction? Answer: b.) If you had 14 mol O2, how many moles of H20 would you need for the above reaction? Answer: c.) If you had 7 mol SigH2 and 14 mol O2, which reactant would be limiting? Answer: d.) What is the theoretical yield of H2O, in moles? (I.e., how many moles of SiO2 would you make?) Answer:

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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**Stoichiometry Practice Problems**

**Answer the questions below and Show your work.**

**1.) Consider the reaction**: \(2 \text{Si}_2\text{H}_2 + 5 \text{O}_2 \longrightarrow 4 \text{SiO}_2 + 2 \text{H}_2\text{O}\)

**a.) If you had 7 mol Si2H2, how many moles of H2O would you need for the above reaction?**

*Answer:* __________________________________________________

**b.) If you had 14 mol O2, how many moles of H2O would you need for the above reaction?**

*Answer:* __________________________________________________

**c.) If you had 7 mol Si2H2 and 14 mol O2, which reactant would be limiting?**

*Answer:*________________________

**d.) What is the theoretical yield of H2O, in moles? (I.e., how many moles of SiO2 would you make?)**

*Answer:*________________________
Transcribed Image Text:**Stoichiometry Practice Problems** **Answer the questions below and Show your work.** **1.) Consider the reaction**: \(2 \text{Si}_2\text{H}_2 + 5 \text{O}_2 \longrightarrow 4 \text{SiO}_2 + 2 \text{H}_2\text{O}\) **a.) If you had 7 mol Si2H2, how many moles of H2O would you need for the above reaction?** *Answer:* __________________________________________________ **b.) If you had 14 mol O2, how many moles of H2O would you need for the above reaction?** *Answer:* __________________________________________________ **c.) If you had 7 mol Si2H2 and 14 mol O2, which reactant would be limiting?** *Answer:*________________________ **d.) What is the theoretical yield of H2O, in moles? (I.e., how many moles of SiO2 would you make?)** *Answer:*________________________
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