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Lab Homework

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2023/2024 Written for academic year
Institution Winston-Salem State University
Course CHE 1111
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Lab homework for chemistry for health science major

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Exercises:

Balance each of the following chemical reactions:

1. 4Al + 3O2 → 2Al2O3

2. 2Na + 2H2O → 2NaOH + H2

3. 2NH3 + 2O2 → N2O + 3H2O

4. 3PbO + 2NH3 → 3Pb + N2 + 3H2O

5. KClO3 + 6HCl → KCl + 3Cl2 + 3H2O

6. C5H12 + 8O2 → 5CO2 + 6H2O

7. C5H10O + 7O2 → 5CO2 + 5H2O

8. 2C6H10O2 + 15O2 → 12CO2 + 10H2O

9. BaCl2 + (NH4)2SO4 → BaSO4 + 2NH4Cl

10. 2Fe(OH)3 + 3H2SO4 → Fe2(SO4)3 + 6H2O

11. 2Al + 3Sn(NO3)2 → 2Al(NO3)3 + 3Sn

12. 3Fe2O3 + CO → 2Fe3O4 + CO2

13. 2N2 + 3O2 → 2N2O3

14. 4NH3 + 6NO → 5N2 + 6H2O

15. CS2 + 3O2 → CO2 + 2SO2

Virtual Lab

1.​ 4Al + 3O2 → 2Al2O3
2.​ C3H8 + 5O2 → 3CO2 + 4H2O
3.​ Al(NO3)3 + 3NaOH → Al(OH)3 + 3NaNO3
4.​ 2KNO3 → 2KNO2 + O2
5.​ 3O2 + CS2 → CO2 + 2SO2
6.​ 2KClO3 → 2KCl + 3O2
7.​ 3BaF2 + 2K3PO4 → Ba3(PO4)2 + 6KF
8.​ H2SO4 + Mg(NO3)2 → MgSO4 + 2HNO3
9.​ 2Al + 3H2SO4 → Al2(SO4)3 + 3H2
10.​WO3 + 3H2 → W + 3H2O

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