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Q5) Determine the empirical formula of a compound that has (by mass) 85.7% carbon, 14.28% hydrogen. Q6) Balance the following equations using the method in Section 3.7: (a) N2O5 (b) Al + H2SO4 → Al2(SO4)3 + H2 (c) CH4 + O2 (d) NH3 + CuO N204 + O2 CO2 + H20 Cu + N2 + H2O Q7) Silicon tetrachloride (SICI4) can be prepared by heating Si in chlorine gas: Si(s) + 2CI2(g) In one reaction, 0.507 mole of SiCl4 is produced. How many moles of molecular chlorine were » SICI.(1) used in the reaction?

Q5) Determine the empirical formula of a compound that has (by mass) 85.7% carbon, 14.28% hydrogen. Q6) Balance the following equations using the method in Section 3.7: (a) N2O5 (b) Al + H2SO4 → Al2(SO4)3 + H2 (c) CH4 + O2 (d) NH3 + CuO N204 + O2 CO2 + H20 Cu + N2 + H2O Q7) Silicon tetrachloride (SICI4) can be prepared by heating Si in chlorine gas: Si(s) + 2CI2(g) In one reaction, 0.507 mole of SiCl4 is produced. How many moles of molecular chlorine were » SICI.(1) used in the reaction?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Q5) Determine the empirical formula of a compound that has (by mass) 85.7% carbon, 14.28% hydrogen. Q6) Balance the following equations using the method in Section 3.7: (a) N2O5 (b) Al + H2SO4 → Al2(SO4)3 + H2 (c) CH4 + O2 (d) NH3 + CuO N204 + O2 - CO2 + H20 Cu + N2 + H2O Q7) Silicon tetrachloride (SICI4) can be prepared by heating Si in chlorine gas: Si(s) + 2CI2(g) → SICI.(1) In one reaction, 0.507 mole of SiCla is produced. How many moles of molecular chlorine were used in the reaction?
Transcribed Image Text:Q5) Determine the empirical formula of a compound that has (by mass) 85.7% carbon, 14.28% hydrogen. Q6) Balance the following equations using the method in Section 3.7: (a) N2O5 (b) Al + H2SO4 → Al2(SO4)3 + H2 (c) CH4 + O2 (d) NH3 + CuO N204 + O2 - CO2 + H20 Cu + N2 + H2O Q7) Silicon tetrachloride (SICI4) can be prepared by heating Si in chlorine gas: Si(s) + 2CI2(g) → SICI.(1) In one reaction, 0.507 mole of SiCla is produced. How many moles of molecular chlorine were used in the reaction?
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