Do you have grade 9 Volume 1 chemical symbols, expressions, text symbols

Do you have grade 9 Volume 1 chemical symbols, expressions, text symbols

1、 Properties of oxygen:
(1) Reaction of simple substance with oxygen: (compound reaction)
1. Combustion of magnesium in air: 2mg + O2 ignites 2MgO
2. Combustion of iron in oxygen: 3Fe + 2O2 ignites Fe3O4
3. Copper heated in air: 2Cu + O2 heated 2CuO
4. Combustion of aluminum in air: 4Al + 3O2 ignites 2al2o3
5. Combustion in hydrogen and air: 2h2 + O2 ignites 2H2O
6. Combustion of red phosphorus in air: 4P + 5o2 ignites 2p2o5
7. Sulfur powder burning in air: S + O2 ignites SO2
8. Full combustion of carbon in oxygen: C + O2 ignites CO2
9. Incomplete combustion of carbon in oxygen: 2C + O2 ignites 2CO
(2) Reaction of compound with oxygen:
10. Combustion of carbon monoxide in oxygen: 2CO + O2 ignites 2co2
11. Methane combustion in air: CH4 + 2O2 ignites CO2 + 2H2O
12. Alcohol burning in air: C2H5OH + 3O2 ignites 2co2 + 3H2O
(3) Source of oxygen:
13. Study on the composition of air with the aid of glass ear
14. Heating potassium permanganate: 2kmno4 heating k2mno4 + MnO2 + O2 ↑ (principle of oxygen production in laboratory 1)
15. Decomposition of hydrogen peroxide with manganese dioxide as catalyst: h2o2mno22h2o + O2 ↑ (principle of oxygen production in laboratory 2)
2、 Water in nature:
16. The decomposition of water under the action of direct current (Experiment of studying the composition of water): 2H2O is electrified, 2h2 ↑ + O2 ↑
17. Quicklime dissolves in water: Cao + H2O = = Ca (OH) 2
18. Carbon dioxide is soluble in water: H2O + CO2 = = H2CO3
3、 Law of conservation of mass:
19. Combustion of magnesium in air: 2mg + O2 ignites 2MgO
20. Reaction between iron and copper sulfate solution: Fe + CuSO4 = = = FeSO4 + Cu
21. Reduction of CuO by hydrogen: H2 + CuO heating Cu + H2O
22. Reduction of copper oxide by magnesium: Mg + CuO heating Cu + MgO
4、 Carbon and carbon oxides:
(1) Chemical properties of carbon
23. Full combustion of carbon in oxygen: C + O2 ignites CO2
24. Reduction of CuO by charcoal: C + 2CuO, high temperature 2Cu + CO2 ↑
25. Reduction of iron oxide by coke: 3C + 2fe2o3, high temperature 4Fe + 3co2 ↑
(2) Three reactions in coal furnace: (several reactions)
26. Bottom layer of coal furnace: C + O2 ignites CO2
27. Middle layer of coal furnace: CO2 + C, high temperature 2CO
28. Generation of blue flame in the upper part of coal stove: 2CO + O2 ignites 2co2
(3) Preparation and properties of carbon dioxide:
29. Reaction of marble with dilute hydrochloric acid (carbon dioxide produced in laboratory)
CaCO3 + 2HCl == CaCl2 + H2O + CO2↑
30. The carbonic acid is unstable and separated into H2CO3 = = H2O + CO2 ↑
31. Carbon dioxide is soluble in water: H2O + CO2 = = H2CO3
32. High temperature calcined limestone (industrial carbon dioxide): CaCO3, high temperature CaO + CO2 ↑
33. Reaction of lime water with carbon dioxide (identification of carbon dioxide)
Ca(OH)2 + CO2 === CaCO3 ↓+ H2O
(4) Properties of carbon monoxide:
34. Reduction of copper oxide by carbon monoxide: CO + CuO heating Cu + CO2
35. Flammability of carbon monoxide: 2CO + O2 ignites 2co2
Other reactions:
36. Reaction of sodium carbonate with dilute hydrochloric acid (principle of fire extinguisher)
Na2CO3 + 2HCl == 2NaCl + H2O + CO2↑
5、 Fuel and its utilization:
37. Methane combustion in air: CH4 + 2O2 ignites CO2 + 2H2O
38. Alcohol burning in air: C2H5OH + 3O2 ignites 2co2 + 3H2O
39. Combustion in hydrogen and air: 2h2 + O2 ignites 2H2O
6、 Metals
(1) Metal reacts with oxygen
40. Combustion of magnesium in air: 2mg + O2 ignites 2MgO
41. Combustion of iron in oxygen: 3Fe + 2O2 ignites Fe3O4
42. Copper heated in air: 2Cu + O2 heated 2CuO

All chemical reaction phenomena in the first volume

The chemical equation is 1: copper sulfate + sodium hydroxide = copper hydroxide + sodium sulfate CuSO4 + 2naoh = Cu (OH) 2 ↓ + na2so42. Copper sulfate + water = copper sulfate crystal CuSO4 + 5H2O = CuSO4 · 5H2O 3. Hydrochloric acid + sodium hydroxide = sodium chloride + water HCl + NaOH = NaCl + h2o4. Hydrochloric acid + aluminum hydroxide (weishuping) = aluminum chloride + water 3hcl + Al (o

Who can provide me with the chemical expressions and chemical formulas in Volume I of grade 9? 20 points after the event

2mg + O2 = = ignite = = 2MgO
C + O2 = = ignition = = CO2
4P + 5o2 = = ignition = = 2p2o5
S + O2 = = ignition = = SO2
3Fe + 2O2 = = ignition = = Fe3O4
2h2o2 = = (MnO2) = = 2H2O + O2 up arrow
2kclo3 = = (MnO2) heating = = 2KCL + 3O2 up arrow
2kmno4 = = heating = = k2mno4 + MnO2 + O2 up arrow
2H2O = = power on = = 2h2 up arrow + O2 up arrow
Fe + cuso42nacl + H2O + CO2 up arrow 1. Magnesium + oxygen - (ignition) - > magnesium oxide
2. Carbon + oxygen - (ignition) - > carbon dioxide
3. Red phosphorus + oxygen - (ignition) - > phosphorus pentoxide
4. Sulfur + oxygen - (ignition) - > sulfur dioxide
5. Iron + oxygen - (ignition) - > Fe3O4
6. Hydrogen peroxide - (manganese dioxide) - > water + oxygen
7. Potassium chlorate - (heating with manganese dioxide) - > potassium chloride + oxygen
8. Potassium permanganate - (heating) - > potassium permanganate + manganese dioxide + oxygen
9. Water - (on) - > hydrogen + oxygen
10. Iron + copper sulfate > copper + ferrous sulfate
11. Sodium carbonate + hydrochloric acid - > sodium chloride + carbon dioxide + water
12. Paraffin + oxygen - (ignition) - > carbon dioxide + water