answers

Answers to stoichiometry and moles worksheet
1. to balance equation use 1,3,2,3. a. .12 moles, b. theoretical yield of Fe, c. LR = Fe2O3, 2 2AuCl3 --> 2Au + 3Cl2, 10.0g AuCl3, 3.51g Cl2, 3. 2H2 + O2 --> 2H2O, LR = O2, TY = 7g H2O, 4. LR = Ag, TY = 8g AgCl, 5. 1.3x10 23 molecules, 6 1.9 x 1 24 molecules, 7. 412g, 8. 209 g, 9. 3.9 x 10 223 molecules, 10 3154g H2, 11 1.1 x 10 24 moleucles, 12 122g, 13 (note equation will not balance if formulas written correctly) using unbalanced equation LR = CO2, Ty CaCO3 = .18g, and Ty He = .0037g

=Stoichiometry worksheet B= 1. a. LR = CO, b. TY= 8.52g, 2a 313g, b. LR = N2, TY = 6.81g NH3, 3. 2LiOH + CO2 --> Li2CO3 + H2O LR = CO2, TY = .134g Li2CO3, 4. LR = Zn, TY = .727g, 5. a. LR = NH3 b. TY= 68.45g

Answers for balancing and naming II worksheet chapter 4 part I
as a reminder - formatting takes out the subscripts. I have only listed the coefficients for 1-15 1. 2,15,6,12 2. 4,1,1,2 3. 4,5,4,6 4. 2,1,3 5. 2,1,2,1 6. 1,3,3,1 7. 3,4,1 8. 2,1,1,2 9. 1,3,2 10. 1,2,1 11. 2,10,1,10 12. 1,3,2,1 13. 2 Al + 3 Br2 --> 2AlBr3 14. 3O2 + 4Fe --> 2Fe2O3 15. Zn + 2NaCl --> 2Na + ZnCl2 16. 3AgNO3 + K3PO4 --> Ag3PO4 + 3KNO3 17. NH4(OH) --> NH3+ H2O 18.2Al2O3 --> 4Al + 3O2 19. 2K(ClO3) --> 2KCl + 3O2 20. 2K + 2H2O --> H2 + 2KOH 21. 3Ba + N2 --> Ba3N2 22. 2Cu + S --> Cu2S 23. 2AlI3 + 3HgCl2 --> 2AlCl3 + 3HgI2 24. SnCl4 +2(NH4)2S --> SnS2 + 4(NH4)Cl

