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High school needs a chemical formula.
Reaction between carbon and oxygen (insufficient) 2C+O2 = = = 2co

Reaction of carbon with oxygen (sufficient) C+O2 = = = CO2

2. Reaction of carbon monoxide with oxygen 2co+O2 = = = 2co2

3. Reaction between carbon dioxide and carbon CO2+C = = = 2co

4. The reaction of sodium bicarbonate with hydrochloric acid nah co 3+HCl = = NaCl+H2O+CO2 =

5. The reaction between sodium carbonate and hydrochloric acid na2co 3+2 HCl = = 2 NaCl+H2O+CO2 =

6. The reaction of calcium carbonate with hydrochloric acid = CaCO3+2 HCl = = CaCl 2+H2O+CO2 =

7. The reaction of sodium bicarbonate and sodium hydroxide: nahco3+NaOH = = = Na2CO3+H2O.

8. Reaction of sodium carbonate with calcium hydroxide Na2CO3+Ca (OH) 2 = = CaCO3 ↓+2NaOH

9. The reaction between sodium bicarbonate (small amount) and calcium hydroxide: nahco3+Ca (OH) 2 = = CaCO3 ↓+NaOH+H2O.

The reaction of sodium bicarbonate with calcium hydroxide 2 nahco3+ca (oh) 2 = = CaCO3 ↓+Na2CO3+2h2o.

10. Sodium bicarbonate heating reaction 2 nah co 3 = = = na2co 3+H2O+CO2 =

1 1. Reaction of calcium bicarbonate heating Ca (HCO3) 2 = = = CaCO3 ↓+H2O+CO2 =

12. Calcium carbonate heating reaction CaCO3 = = = Cao+CO2 =

13. Reaction of carbon dioxide (excess) flowing into calcium hydroxide solution Ca (OH) 2+2co2 = = = Ca (HCO3) 2) 2

The reaction of carbon dioxide (small amount) introduced into calcium hydroxide solution Ca (OH) 2+CO2 = = = CaCO3 ↓+H2O+H2O.

14. the reaction of nitrogen and oxygen = N2+O2 = = 2NO.

15. the reaction of nitric oxide with oxygen 2NO+O2 = = = 2NO2

16. The reaction of nitrogen dioxide with water 3NO2+H2O = = = 2HNO3+NO.

17. The reaction of nitrogen and hydrogen = N2+3H2 = = = = = = 2NH3.

18. Reaction of ammonia with water NH3+H2O = = = NH3? H2O

19. Reaction of ammonia with hydrochloric acid NH3+HCl==== NH4Cl

20. The reaction between ammonia and sulfuric acid 2NH3+H2SO4==== (NH4)2SO4

2 1. The reaction of ammonia with strong acid ion NH3+H+= = = NH4++

22. The reaction of ammonia catalytic oxidation = 4NH3+5O2 = = 4NO+6H2O.

23. the reaction of ammonium bicarbonate heating nh4hco3 = = = NH3 writing +CO2 writing +H2O writing.

24. The reaction of ammonium chloride heating NH4Cl = = = NH3 =+HCl =

25. The reaction of ammonium carbonate heating (NH4) 2co3 = = 2hnh3 =+CO2 =+H2O.

26. The reaction of ammonium chloride with calcium hydroxide 2nh4cl+Ca (OH) 2 = = CaCl2+2nh3 =+2h2o.

27. The reaction of ammonium chloride with sodium hydroxide NH4Cl =+NaOH = = NaCl+NH3 =+H2O.

28. The reaction of ammonium bicarbonate with sodium hydroxide NH4CO3+2NaOH = = Na2CO3+NH3 =+2H2O.

29. The reaction between ammonium bicarbonate and calcium hydroxide NH4CO3+Ca (OH) 2 = = CaCO3+NH3 =+2H2O.

30. Decomposition reaction of nitric acid 4h NO3 = = = = = = = 4NO2 writing +O2 writing +2h2o.

3 1. Reaction of copper with concentrated nitric acid Cu+4HNO3 (concentrated) = = Cu (NO3) 2+2no2 =+2h2o

32. The reaction of copper with dilute nitric acid 3Cu+8HNO3 (dilute) = = 3cu (NO3) 2+2no = 4h2o.

33. The reaction of iron with concentrated nitric acid Fe+6HNO3 (concentrated) = = Fe (NO3) 3+3NO2 =+3H2O

34. The reaction of iron with dilute nitric acid Fe+4HNO3 (dilute) = = Fe (NO3) 3+NO =+2H2O.

35. The reaction of carbon with concentrated nitric acid C+4NO3 (concentrated = = = CO2 = 4NO2 =+2H2O.

36. The reaction of nitric oxide and carbon monoxide 2no+2co = = = N2+2co2

37. The reaction of nitric oxide with oxygen and water 4NO+3O2+2H2O = = 4NO3.

38. The reaction of nitrogen dioxide with oxygen and water 4NO2+O2+2H2O = = 4NO3.

39. The reaction of sodium hydroxide absorbing nitrogen dioxide and nitric oxide 2 NaOH+NO2+NO = = 2 nano 2+H2O.

40. The reaction between ammonia (excess) and chlorine 8NH3+3Cl2==== 6NH4Cl+N2.

The reaction of ammonia gas (small amount) with chlorine gas 2nh3+3cl2 = = = 6HCl+N2.

4 1. Reaction of converting nitrogen dioxide into nitrogen tetroxide 2NO2==== N2O4

42. The reaction of sulfur and copper S+S+2Cu = = = Cu2S

43. The reaction of sulfur and iron S+Fe==== FeS.

44. The reaction of sulfur and sodium S+S+2Na = = = Na2S.

45. The reaction between sulfur and aluminum 3s+2al = = = Al2S3

46. The reaction between sulfur and mercury S+Hg = = = HGS.

47. The reaction of sulfur and oxygen S+O2 = = SO2.

48. The reaction of sulfur and hydrogen S+H2 = = = H2S.

49. The reaction of sulfur with sodium hydroxide 3S+6NaOH = = = 2Na2S+Na2SO3+3H2O

50. The reaction of sulfur with concentrated sulfuric acid S+2H2SO4 (concentrated) === 3SO2+2H2O

5 1. Black powder ignites S+S+2kNO3+3c = = = K2S+3co2 =+N2 = N2 =

52. The reaction of sulfur dioxide (small amount) with sodium hydroxide = SO2+2 NaOH = = na2so 3+H2O.

Reaction of sulfur dioxide (excess) with sodium hydroxide SO2+NaOH = = = nahso3

53. The reaction of sulfur dioxide with calcium hydroxide SO2+Ca(OH)2 = = caso 3↓+H2O

54. The reaction of sulfur dioxide with calcium sulfite solution SO2+caso3+H2O = = = Ca (HSO3) 2.

55. The reaction of sulfur dioxide with water SO2+H2O = = h2so 4.

56. The reaction of sulfur dioxide and hydrogen sulfide SO2+2H2S = = = 3S+2H2O.

57. The reaction of sulfur dioxide with oxygen 2SO2+O2 = = = 2SO3.

58. The reaction of sulfur dioxide and sodium peroxide = SO2+SO2+Na2O2 = = Na2SO4.

59. The reaction of sulfur dioxide with chlorine water SO2+Cl2+2H2O = = h2so 4+2HCl.

60. The reaction of sulfur trioxide with water SO3+H2O = = = H2SO4

6 1. the reaction of sulfuric acid with oxygen 2H2SO4+O2 = = = = 2H2SO4

62. The reaction of sodium sulfite with oxygen 2na 2 so 3+O2 = = 2na 2 so 4.

63. The reaction of concentrated sulfuric acid with copper (concentrated)+Cu = = = = CuSO4+SO2 =+2H2SO4.

64. The reaction of concentrated sulfuric acid with carbon 2H2SO4 (concentrated) +c = = = = CO2 =+2so2 =+2h2o life.

65. Industrial preparation of sulfuric acid (preliminary) 4FeS2+11O2 = = 8SO2+2Fe2O3.

66. Laboratory preparation of sulfuric acid (preliminary) Na2SO3+H2SO4 (concentrated) = ==== Na2SO4+SO2↑+H2O =+H2O+H2O =+H2O.

67. The reaction of hydrogen sulfide (small amount) with sodium hydroxide H2S+2NaOH==== Na2S+2H2O

The reaction between hydrogen sulfide (excess) and sodium hydroxide H2S+NaOH = = = nahs+H2O

68. The reaction of hydrogen sulfide (small amount) with ammonia H2S+2NH3==== (NH4)2S.

The reaction between hydrogen sulfide (excess) and ammonia = H2S+NH3 = = = = NH4HS

69. The reaction between hydrogen sulfide and oxygen (insufficient) 2H2S+O2 = = = = 2S left++2H2H2S+O2 = = = = 2S+2H2O

The reaction between hydrogen sulfide and oxygen (sufficient) 2h2s+3 O2 = = 2so 2+2h2o.

70. The reaction of hydrogen sulfide and chlorine: = H2S+Cl2 = = HCl+S = 2 the rest.

7 1. Reaction of hydrogen sulfide with concentrated sulfuric acid H2S+H2SO4 (concentrated) = = s↓+SO2 =+2H2O

72. Preparation of hydrogen sulfide = FeS+H2SO4 = FeSO4+H2S write

73. Electrolytic saturated brine (chlor-alkali industry) 2 NaCl+2 H2O = = 2 NaOH+H2 =+Cl2 =

74. Electrolytic melting sodium chloride (sodium) 2 NaCl = = = 2 na+Cl2 to write.

75. Magnesium in seawater (1) CaCO3==== CaO+CO2.

(2) CaO+H2O==== Ca(OH)2

(3)Mg2 ++ 2oh 2-= = = Mg(OH)2↓

(4) magnesium hydroxide+dihydrochloride = = = magnesium chloride+dihydrate

(5) MgCl2==== Mg+Cl2↑

76. Magnesium burns in air (reacts with oxygen) 2Mg+O2==== 2MgO.

(reacting with nitrogen) 3 mg++N2==== Mg3N2

(reacting with carbon dioxide) 2 mg+CO2 = = 2 MgO+C.

77. The reaction of magnesium with chlorine gas Mg+Cl2==== MgCl2.

78. The reaction of magnesium with water Mg+2H2O = = Mg(OH)2+H2

79. The reaction of magnesium with hydrochloric acid Mg+2 HCl = = MGC L2+H2.

80. The reaction of magnesium with hydrogen ions Mg+2h+= = = Mg2 ++ H2 Write

8 1. Reaction of magnesium nitride with water Mg3N2+6H2O = = 3 mg (OH) 2 ↓+2HN3 =

82. The reaction of magnesium with bromine water (fading) Mg+Br2==== MgBr2

(bubble generation) mg+mg+2hbr = = = mgbr2+H2 =

83. Reaction of bromine with water Br2+H2O = = = HBR+HBRO

84. Reaction of bromine with sodium hydroxide Br2+2 NaOH = = = Nabr+Nabro+H2O

85. The reaction of bromine with hydrogen Br2+H2 = = = 2 HBR.

86. The reaction of bromine with iron 3br2+2fe = = = 2febr3.

87. The reaction of iodine and iron I2+Fe = = = Fei2.

88. The reaction of bromine with potassium iodide Br2+2ki = = = 2kbr+I2.

89. The reaction of chlorine with potassium bromide 2kbr+Cl2 = = = 2kcl+br2.

chapter four

90. The reaction between silicon and oxygen Si+O2 = = SiO 2.

9 1. Reaction between silicon and chlorine Si+Si+2Cl2==== SiCl4

92. The reaction of silicon and hydrogen Si+2H2 = = = = Sih4.

93. The reaction of silicon dioxide with fluorine Si+2f2 = = = sif4.

94. The reaction between silicon and carbon Si+C = = = SiC

95. The reaction of silicon with sodium hydroxide solution Si+2NaOH+H2O = = = Na2SiO3+2H2 =

96. The reaction of silicon with hydrofluoric acid Si+4hf = = Si F4+2 H2 write.

97. Preparation of simple silicon (1. Preparation) SiO2+2c = = = Si+2co

(2) purification: Si+Si+2cl2 = = = sicl4.

(3) purification: sicl4+2h2 = = = Si+4hcl.

98. The reaction between silicon dioxide and sodium hydroxide: SiO 2+2 NaOH = = na 2 SiO 3+H2O.

99. The reaction of silica with sodium oxide SiO 2+Na2O = = na 2 SiO 3.

100. the reaction of silica with sodium carbonate: SiO 2+na2co 3 = = na 2 SiO 3+CO2 =

10 1. the reaction of silica with calcium oxide SiO 2+Cao = = = casio 3.

102. the reaction between silica and calcium carbonate: SiO 2+CaCO3 = = casio 3+CO2 =

103. The reaction between silicon dioxide and hydrofluoric acid: SiO2+4hf = = = SiF4+2h2o.

104. Preparation of Na2SiO3+CO2+H2O = = H2SiO3 ↓+Na2CO3

105. Thermal decomposition of H2SiO3 = = = SiO2+H2O

106. the reaction between aluminum and oxygen 4al+3o2 = = = 2al2o3

107. Reaction of aluminum with chlorine 2al+3cl2 = = = 2alcl3

108. the reaction of aluminum with hydrochloric acid 2Al+6HCl = = = 2AlCl3+3H2 =

109. Reaction of aluminum with sodium hydroxide 2al+2noh+6H2O = = 2na [Al (OH) 4]+3H2 =

1 10. The reaction between aluminum and water 2al+6H2O = = 2al (OH) 3+3H2 =

1 1 1. Reaction of aluminum and iron oxide (aluminothermic reaction) 2al+Fe2O3 = = = 2fe+Al2O3.

1 12. Reaction between aluminum and manganese dioxide (aluminothermic reaction) 4al+3mno2 = = = 3mn+2alo3.

1 13. The reaction of alumina with hydrochloric acid Al2O3+6HCl = = = 2AlCl3+3H2O.

1 14. the reaction of alumina with sodium hydroxide Al2O3+2 NaOH+3H2O = = 2na [al (oh) 4]

1 15. electrolytic alumina 2al2o3 = = = 4al+3o2 =

1 16. the reaction of sulfuric acid with ammonia water monohydrate Al2(SO4)3+6NH3? H2O==== 2Al(OH)3↓+3(NH4)2SO4

1 17. The reaction of aluminum chloride with ammonia monohydrate AlCl3+3NH3? H2O==== Al(OH)3↓+3NH4Cl

1 18. The reaction of aluminum chloride with sodium hydroxide (small amount) AlCl3+3 NaOH = = = Al (OH) 3 ↓+3 NaCl.

1 19. the reaction between aluminum hydroxide and sodium hydroxide al (oh) 3+NaOH = = na [al (oh) 4]

120. Reaction of aluminum chloride with sodium hydroxide (excess) AlCl3+4 NaOH = = Na [Al (OH) 4]+3 NaCl.

12 1. the reaction of sodium tetrahydroxychlorate with hydrochloric acid (small amount) na [al (oh) 4]+HCl = = al (oh) 3 ↓+NaCl+H2O.

122. The reaction of aluminum hydroxide with hydrochloric acid Al (OH) 3+3HCl = = = AlCl3+3H2O

123. reaction of sodium tetrahydroxychlorate with hydrochloric acid (excess) na [al (oh) 4]+4hcl = = AlCl3+NaCl+4h2o.

124. the reaction of sodium tetrahydroxychlorate with aluminum chloride 3 na [al (oh) 4]+AlCl3 = = 4 al (oh) 3 ↓+3 NaCl.

125. excessive carbon dioxide na [al (oh) 4]+CO2 = = al (oh) 3 ↓+nahco3 was introduced into sodium tetrahydroxychlorate.

126. Copper corrodes 2cu+O2+H2O+CO2 in humid air = = Cu2 (OH) 2co3.

127. the reaction of copper with oxygen 2cu+O2 = = = 2cuo

128. the reaction of copper with chlorine Cu+Cl2 = = = CuCl 2

129. oxidation transformation of copper at high temperature 4cuo = = = = 2cu2o+O2 =

130. the reaction of copper sulfate with water CuSO4+5H2O = = = CuSO4? 5H2O