SOLUTIONS: BALANCING CHEMICAL EQUATIONS 1. 2NO+ O2 ...
SOLUTIONS: BALANCING CHEMICAL EQUATIONS 1. 2NO+ O2 ... SOLUTIONS: BALANCING CHEMICAL EQUATIONS 1. 2NO+ O2 ...
€ € € € € € € € € € € € € € € € € € € € € € € € € € € € € € € SOLUTIONS: BALANCING CHEMICAL EQUATIONS 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 2NO + O2 ⎯ → 2NO2 CaCO 3 → CaO + CO 2 S 8 + 8O 2 → 8SO 2 Zn + 2HOH → Zn(OH) 2 + H 2 8Ba + S 8 → 8BaS 2NaN 3 → 2Na + 3N 2 Fe 2 O 3 + 2Al → 2Fe + Al 2 O 3 HCl + NaHCO 3 → NaCl + H 2 O + CO 2 2HCl + Mg(OH) 2 → MgCl 2 + 2HOH U + 3F 2 → UF 6 2Fe + 3Cl 2 → 2FeCl 3 Al 2(SO 4) 3 → Al 2O 3 + 3SO 3 2H 2O → 2H 2 + O 2 2KClO 3 → 2KCl + 3O 2 Cl 2 + 2KBr → 2KCl + Br 2 2Al + 3Pb(NO 3) 2 → 3Pb + 2Al(NO 3) 3 2NH 4Cl + Ca(OH) 2 → CaCl 2 + 2NH 3 + 2H 2O Zn + 2HCl → ZnCl 2 + H 2 F 2 + 2NaCl → 2NaF + Cl 2 CaO + SO 2 → CaSO 3 2CaSO 3 + O 2 → 2CaSO 4 2HgO → 2Hg + O 2 CH 3 OH → CO + 2H 2 2KNO 3 → 2KNO 2 + O 2 SbCl 5 + 2KI → 2KCl + I 2 + SbCl 3 2HNO 3 +H 2 S → 2NO 2 + 2H 2 O + S 2Cr 2 O 3 +3Si → 4Cr + 3SiO 2 (NH 4 ) 2 Cr 2 O 7 → Cr 2 O 3 + N 2 + 4H 2 O 3FeCl 2 + 4H 2 O → Fe 3 O 4 + 6HCl + H 2 Al 2(SO 4) 3 + 3Ca(OH) 2 → 2Al(OH) 3 + 3CaSO 4 PbCl 2 + Na 2CrO 4 → PbCrO 4 + 2NaCl
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<strong>SOLUTIONS</strong>: <strong>BALANCING</strong> <strong>CHEMICAL</strong> <strong>EQUATIONS</strong><br />
<strong>1.</strong><br />
2.<br />
3.<br />
4.<br />
5.<br />
6.<br />
7.<br />
8.<br />
9.<br />
10.<br />
1<strong>1.</strong><br />
12.<br />
13.<br />
14.<br />
15.<br />
16.<br />
17.<br />
18.<br />
19.<br />
20.<br />
2<strong>1.</strong><br />
22.<br />
23.<br />
24.<br />
25.<br />
26.<br />
27.<br />
28.<br />
29.<br />
30.<br />
3<strong>1.</strong><br />
2NO + <strong>O2</strong> ⎯ → 2N<strong>O2</strong> CaCO 3 → CaO + CO 2<br />
S 8 + 8O 2 → 8SO 2<br />
Zn + 2HOH → Zn(OH) 2 + H 2<br />
8Ba + S 8 → 8BaS<br />
2NaN 3 → 2Na + 3N 2<br />
Fe 2 O 3 + 2Al → 2Fe + Al 2 O 3<br />
HCl + NaHCO 3 → NaCl + H 2 O + CO 2<br />
2HCl + Mg(OH) 2 → MgCl 2 + 2HOH<br />
U + 3F 2 → UF 6<br />
2Fe + 3Cl 2 → 2FeCl 3<br />
Al 2(SO 4) 3 → Al 2O 3 + 3SO 3<br />
2H 2O → 2H 2 + O 2<br />
2KClO 3 → 2KCl + 3O 2<br />
Cl 2 + 2KBr → 2KCl + Br 2<br />
2Al + 3Pb(NO 3) 2 → 3Pb + 2Al(NO 3) 3<br />
2NH 4Cl + Ca(OH) 2 → CaCl 2 + 2NH 3 + 2H 2O<br />
Zn + 2HCl → ZnCl 2 + H 2<br />
F 2 + 2NaCl → 2NaF + Cl 2<br />
CaO + SO 2 → CaSO 3<br />
2CaSO 3 + O 2 → 2CaSO 4<br />
2HgO → 2Hg + O 2<br />
CH 3 OH → CO + 2H 2<br />
2KNO 3 → 2KNO 2 + O 2<br />
SbCl 5 + 2KI → 2KCl + I 2 + SbCl 3<br />
2HNO 3 +H 2 S → 2NO 2 + 2H 2 O + S<br />
2Cr 2 O 3 +3Si → 4Cr + 3SiO 2<br />
(NH 4 ) 2 Cr 2 O 7 → Cr 2 O 3 + N 2 + 4H 2 O<br />
3FeCl 2 + 4H 2 O → Fe 3 O 4 + 6HCl + H 2<br />
Al 2(SO 4) 3 + 3Ca(OH) 2 → 2Al(OH) 3 + 3CaSO 4<br />
PbCl 2 + Na 2CrO 4 → PbCrO 4 + 2NaCl
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32.<br />
33.<br />
34.<br />
35.<br />
36.<br />
V 2 O 5 + 5Ca → 2Va + 5CaO<br />
2Ta + 5Cl 2 → 2TaCl 5<br />
2K 2 MnO 4 + 2H 2 O → 2KMnO 4 + 2KOH + H 2<br />
P 4 O 10 + 6H 2 O → 4H 3 PO 4<br />
FeS + 2HCl →H 2 S + FeCl 2
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