CH1 化學反應-係數平衡練習題.pdf

1. ◎係數平衡練習題
1. NaOH+ 𝐻2𝑆𝑂4 → 𝑁𝑎2𝑆𝑂4+ 𝐻2𝑂
2. 𝐶3𝐻8+ 𝑂2 → 𝐶𝑂2+ 𝐻2𝑂
3. Fe𝑆2+ 𝑂2 → F𝑒2𝑂3+ 𝑆𝑂2
4. 𝑁𝑎2𝑆2𝑂3+ HCl → NaCl+ 𝑆+ 𝑆𝑂2+ 𝐻2𝑂
5. Ba(OH)2 ∙ 8𝐻2𝑂＋ N𝐻4𝐶𝑙→ Ba𝐶𝑙2 ∙ 2𝐻2𝑂 + N𝐻3＋ 𝐻2𝑂
6. 𝐾𝑀𝑛𝑂4+ HCl → KCl+ Mn𝐶𝑙2+ 𝐶𝑙2+ 𝐻2𝑂
7. N𝐻3＋ C𝑂2→ (N𝐻2)2𝐶𝑂＋ 𝐻2𝑂
8. Mn𝑂2+ HCl → Mn𝐶𝑙2+ 𝐶𝑙2+ 𝐻2𝑂
9. 𝑃4+ KOH+ 𝐻2𝑂 → P𝐻3+ K𝐻2𝑃𝑂2
10. 𝐻2𝑆+ HN𝑂3 → S+ 𝑁𝑂+ 𝐻2𝑂
11. 𝐾2𝐶𝑟2𝑂7+ HCl → KCl+ Cr𝐶𝑙3+ 𝐶𝑙2+ 𝐻2𝑂
12. 𝐹𝑒(𝐶𝑟𝑂2)2+ 𝐾2𝐶𝑂3+ 𝑂2 → 𝐹𝑒2𝑂3+ 𝐾2𝐶𝑟𝑂4+ 𝐶𝑂2
13. NaCl+ 𝐻2𝑂 → NaOH+ 𝐻2+ 𝐶𝑙2
14. N𝐻4Cl+ Ca(𝑂𝐻)2 → Ca𝐶𝑙2+ N𝐻3+ 𝐻2𝑂
15. CuO+ N𝐻3 → Cu+ 𝑁2+ 𝐻2𝑂
16. 𝐶2𝐻5𝑂𝐻+ 𝑂2 → 𝐶𝐻3𝐶𝑂𝑂𝐻+ 𝐻2𝑂
17. 𝐹𝑒2𝑂3+ 𝐻𝐶𝑙 → 𝐹𝑒𝐶𝑙3+ 𝐻2𝑂
18. CuS𝑂4+ 𝐻2𝑂 → Cu+ 𝐻2S𝑂4+ 𝑂2
19. KMn𝑂4+ 𝐻𝐶𝑙+ 𝐻2𝑆 → KCl+ Mn𝐶𝑙2+ 𝐻2𝑂 + 𝑆
20. CaC𝑂3+ 𝐻𝐶𝑙 → CaC𝑙2+ 𝐻2O+ 𝐶𝑂2
21. Pb(N𝑂3)2+ 𝐾𝐼 → KN𝑂3+ Pb𝐼2
22. 𝐻2S𝑂4+ 𝐻𝐼 → 𝐻2S+ 𝐼2+ 𝐻2𝑂
23. Cr𝑂3+ 𝐻𝐶𝑙 → CrC𝑙3+ 𝐻2𝑂+ C𝑙2
24. NaHC𝑂3+ 𝐻2S𝑂4 → C𝑂2+ N𝑎2S𝑂4+ 𝐻2𝑂
25. KI𝑂3+ K𝐼+ 𝐻𝐶𝑙 → 𝐼2+ K𝐶𝑙+ 𝐻2𝑂
26. Cu+4HN𝑂3 → Cu(N𝑂3)2+ N𝑂2+ 𝐻2𝑂

2. ◎係數平衡練習題
1. NaOH+ 𝐻2𝑆𝑂4 → 𝑁𝑎2𝑆𝑂4+ 𝐻2𝑂 (2,1,1,2)
2. 𝐶3𝐻8+ 𝑂2 → 𝐶𝑂2+ 𝐻2𝑂
3. Fe𝑆2+ 𝑂2 → F𝑒2𝑂3+ 𝑆𝑂2 (4,11,2,8)
4. 𝑁𝑎2𝑆2𝑂3+ HCl → NaCl+ 𝑆+ 𝑆𝑂2+ 𝐻2𝑂 (1,2,2,1,1,1)
5. Ba(OH)2 ∙ 8𝐻2𝑂＋ N𝐻4𝐶𝑙→ Ba𝐶𝑙2 ∙ 2𝐻2𝑂 + N𝐻3＋ 𝐻2𝑂 (1,2,1,2,8)
6. 𝐾𝑀𝑛𝑂4+ HCl → KCl+ Mn𝐶𝑙2+ 𝐶𝑙2+ 𝐻2𝑂 (2,16,2,2,5,8)
7. N𝐻3＋ C𝑂2→ (N𝐻2)2𝐶𝑂＋ 𝐻2𝑂 (2,1,1,1)
8. Mn𝑂2+ HCl → Mn𝐶𝑙2+ 𝐶𝑙2+ 𝐻2𝑂 (1,4,1,1,2)
9. 𝑃4+ KOH+ 𝐻2𝑂 → P𝐻3+ K𝐻2𝑃𝑂2 (1,3,3,1,3)
10. 𝐻2𝑆+ HN𝑂3 → S+ 𝑁𝑂+ 𝐻2𝑂 (3,2,3,2,4)
11. 𝐾2𝐶𝑟2𝑂7+ HCl → KCl+ Cr𝐶𝑙3+ 𝐶𝑙2+ 𝐻2𝑂 (1,14,2,2,3,7)
12. 𝐹𝑒(𝐶𝑟𝑂2)2+ 𝐾2𝐶𝑂3+ 𝑂2 → 𝐹𝑒2𝑂3+ 𝐾2𝐶𝑟𝑂4+ 𝐶𝑂2 (4,8,7,2,8,8)
13. NaCl+ 𝐻2𝑂 → NaOH+ 𝐻2+ 𝐶𝑙2 (2,2,2,1,1)
14. N𝐻4Cl+ Ca(𝑂𝐻)2 → Ca𝐶𝑙2+ N𝐻3+ 𝐻2𝑂 (2,1,1,2,2)
15. CuO+ N𝐻3 → Cu+ 𝑁2+ 𝐻2𝑂 (3,2,3,1,3)
16. 𝐶2𝐻5𝑂𝐻+ 𝑂2 → 𝐶𝐻3𝐶𝑂𝑂𝐻+ 𝐻2𝑂 (1,1,1,1)
17. 𝐹𝑒2𝑂3+ 𝐻𝐶𝑙 → 𝐹𝑒𝐶𝑙3+ 𝐻2𝑂 (1,6,2,3)
18. CuS𝑂4+ 𝐻2𝑂 → Cu+ 𝐻2S𝑂4+ 𝑂2 (2,2,2,2,1)
19. KMn𝑂4+ 𝐻𝐶𝑙+ 𝐻2𝑆 → KCl+ Mn𝐶𝑙2+ 𝐻2𝑂 + 𝑆 (2,6,5,2,2,8,5)
20. CaC𝑂3+ 𝐻𝐶𝑙 → CaC𝑙2+ 𝐻2O+ 𝐶𝑂2 (1,2,1,1,1)
21. Pb(N𝑂3)2+ 𝐾𝐼 → KN𝑂3+ Pb𝐼2 (1,2,2,1)
22. 𝐻2S𝑂4+ 𝐻𝐼 → 𝐻2S+ 𝐼2+ 𝐻2𝑂 (1,8,1,4,4)
23. Cr𝑂3+ 𝐻𝐶𝑙 → CrC𝑙3+ 𝐻2𝑂+ C𝑙2 (2,12,2,6,3)
24. NaHC𝑂3+ 𝐻2S𝑂4 → C𝑂2+ N𝑎2S𝑂4+ 𝐻2𝑂 (2,1,2,1,2)
25. KI𝑂3+ K𝐼+ 𝐻𝐶𝑙 → 𝐼2+ K𝐶𝑙+ 𝐻2𝑂 (1,5,6,3,6,3)
26. Cu+4HN𝑂3 → Cu(N𝑂3)2+ N𝑂2+ 𝐻2𝑂 (1,1,2,2)