The literal expression of Chemistry

The literal expression of Chemistry

If it's unit 1 and unit 2 of junior high school, I'm sorry that's too much, oh, my lady gaga
Magnesium burns in air: 2mg + O2 ignites 2MgO
2. Combustion of iron in oxygen: 3Fe + 2O2 ignites Fe3O4
3. Combustion of aluminum in air: 4Al + 3O2 ignites 2al2o3
4. Combustion of hydrogen in air: 2h2 + O2 ignites 2H2O
5. Combustion of red phosphorus in air: 4P + 5o2 ignites 2p2o5
6. Sulfur powder burning in air: S + O2 ignites SO2
7. Full combustion of carbon in oxygen: C + O2 ignites CO2
8. Incomplete combustion of carbon in oxygen: 2C + O2 ignites 2CO
9. Carbon dioxide passing through hot carbon layer: C + CO2 high temperature 2CO
10. Combustion of carbon monoxide in oxygen: 2CO + O2 ignites 2co2
11. Reaction of carbon dioxide and water (carbon dioxide into purple litmus test solution): CO2 + H2O = = = H2CO3
12. Quicklime dissolved in water: Cao + H2O = = = Ca (OH) 2
13. Anhydrous copper sulfate as desiccant: CuSO4 + 5H2O CuSO4 · 5h2
Application of chemical equation reaction phenomenon
2mg + O2 ignites or Δ 2MgO burns violently. It produces bright white light, white solid, exothermic and a lot of white smoke and white signal bombs
Experiment on ignition of silver white liquid or Δ 2hgo by 2hg + O2 to form red solid lavasside
2Cu + O2 ignites or Δ 2CuO red metal becomes black solid
4Al + 3O2 ignites or Δ 2al2o3 silver white metal becomes white solid
3Fe + 2O2 ignites Fe3O4 to burn violently, Mars radiates all around, forms black solid, exothermic 4Fe + 3O2 and high temperature 2fe2o3
C + O2 ignites CO2 to burn violently, white light, release heat and make lime water turbid
S + O2 ignites SO 2 intense combustion, exothermic, pungent gas, light blue flame in air, and blue purple flame in oxygen
2h2 + O2 ignites the light blue flame of 2H2O, releases heat, and forms the liquid (water) high energy fuel which makes the anhydrous CuSO4 turn blue
4P + 5o2 ignites 2p2o5, which burns violently, gives off a lot of white smoke, and produces white solid, which proves the oxygen content in the air
CH4 + 2O2 ignites the blue flame of 2H2O + CO2, releases heat, and produces liquid (water) methane and natural gas which make lime water turbid and anhydrous CuSO4 blue
2c2h2 + 5o2 ignites the blue flame of 2H2O + 4co2, releases heat and black smoke, generates the liquid oxyacetylene flame which makes the lime water turbid and the anhydrous CuSO4 blue, and cuts the metal by welding
2kclo3mno2 Δ 2KCL + 3O2 ↑ generates the gas that reburnies the wood strips with Mars, and oxygen is prepared in laboratory
2kmno4 Δ k2mno4 + MnO2 + O2 ↑ turns purple to black, and produces the gas which makes the wood with Mars reburning. Oxygen is prepared in laboratory
The experimental results show that 2hgo Δ 2hg + O2 ↑ red changes to silvery white, and the formation of gas makes the wood with Mars reburning
When 2H2O is electrified, 2h2 ↑ + O2 ↑ water is electrified and decomposed into hydrogen and oxygen electrolyzed water
Cu2 (OH) 2CO3 Δ 2CuO + H2O + CO2 ↑ green turns black, there is liquid on the wall of the test tube, the limestone water becomes turbid, and the gas is heated by copper green
NH4HCO3 Δ NH3 ↑ + H2O + CO2 ↑ the white solid disappears, there is liquid on the pipe wall, which makes the lime water turbid, and the gas ammonium bicarbonate disappears after long-term exposure to the air
Zn + H2SO4 = ZnSO4 + H2 ↑ a large number of bubbles are produced and zinc particles are gradually dissolved to prepare hydrogen in laboratory
Fe + H2SO4 = FeSO4 + H2 ↑ there are a lot of bubbles and metal particles dissolved gradually
Mg + H2SO4 = MgSO4 + H2 ↑ there are a lot of bubbles and metal particles dissolved gradually
2Al + 3h2so4 = Al2 (SO4) 3 + 3h2 ↑ there are a lot of bubbles and metal particles dissolved gradually
Fe2O3 + 3h2 Δ 2Fe + 3H2O red gradually turns to silver white, the tube wall has liquid smelting metal, and the reducibility of hydrogen
The color of Fe3O4 + 4h2 Δ 3Fe + 4H2O is silver white gradually. The wall of the test tube has the reducibility of liquid smelting metal and hydrogen
Reducibility of tungsten smelting and hydrogen utilization with WO3 + 3h2 Δ W + 3H2O
Reducibility of molybdenum smelting and hydrogen utilization by MoO3 + 3h2 Δ Mo + 3H2O
2Na + Cl2 Δ or ignite the violent combustion of 2nacl, the formation of ionic compound in yellow flame
H2 + Cl2 ignites or irradiates 2HCl to ignite the pale flame, the formation of covalent compounds and the preparation of hydrochloric acid
CuSO4 + 2naoh = Cu (OH) 2 ↓ + Na2SO4 blue precipitate formation, the upper part is clear solution mass conservation law experiment
One of the common reactions, air pollutants and gas poisoning in ignition of 2CO coal furnace by 2C + O2
2CO + O2 ignites 2co2 blue flame for gas combustion
C + CuO high temperature 2Cu + CO2 ↑ black gradually turns red, and produces the gas which makes the clear lime water turbid to smelt metal
2fe2o3 + 3C high temperature 4Fe + 3co2 ↑ smelting metal
Fe3O4 + 2C high temperature 3Fe + 2co2 ↑ smelting metal
C + CO2 high temperature 2CO
CO2 + H2O = H2CO3, the litmus turned red by carbonic acid, which proved the acidity of carbonic acid
H2CO3 Δ CO2 ↑ + H2O litmus red fading
Ca (OH) 2 + CO2 = CaCO3 ↓ + H2O clarifies the lime water to become turbid, and applies CO2 test and lime slurry to paint the wall
CaCO3 + H2O + CO2 = Ca (HCO3) 2, the white precipitate gradually dissolves, the formation of karst cave and the weathering of stone
Ca (HCO3) 2 Δ CaCO3 ↓ + H2O + CO2 ↑ white precipitates and produces gas scale which makes clear lime water turbid. Formation of stalactite
NaHCO3 Δ Na2CO3 + H2O + CO2 ↑ produces the gas which makes the clarified lime water turbid, and steamed bread with baking soda
Industrial preparation of carbon dioxide and quicklime
CaCO3 + 2HCl = CaCl2 + H2O + CO2 ↑ the solid dissolves gradually and has the gas that makes the clarified lime water turbid. The carbon dioxide is prepared and the scale is removed in the laboratory
The principle of gas foam extinguisher with Na2CO3+H2SO4=Na2SO4+H2O+CO2 solid dissolved gradually and turbidity clarified
Na2CO3+2HCl=2NaCl+ H2O+CO2. Solid gas gradually dissolves and has the principle of gas foam extinguisher which makes the clarified lime water become turbid.
MgCO3 + 2HCl = MgCl2 + H2O + CO2 ↑ the solid dissolves gradually, and there is gas which makes the clarified lime water turbid
CuO + CO Δ Cu + CO2 black gradually turns red, and produces the gas which makes clear lime water turbid to smelt metal
Principle of high temperature 2Fe + 3co2 smelting with Fe2O3 + 3Co
Principle of smelting metal with Fe3O4 + 4Co and 3Fe + 4co2 at high temperature
Principle of metal smelting with WO3 + 3Co and W + 3co2 at high temperature
CH3COOH+NaOH=CH3COONa+H2O
2ch3oh + 3O2 ignites 2co2 + 4H2O
C2H5OH + 3O2 ignites the blue flame of 2co2 + 3H2O, produces the gas that makes the lime water turbid, and releases the heat of alcohol combustion
Fe + CuSO4 = Cu + FeSO4 silver white metal surface is covered with a layer of red material, copper hydrometallurgy, copper plating
Mg + FeSO4 = Fe + MgSO4 solution changes from light green to colorless Cu + Hg (NO3) 2 = Hg + Cu (NO3) 2
The surface of Cu + 2agno3 = 2ag + Cu (NO3) 2 red metal is covered with a layer of silver white material for silver plating
Zn + CuSO4 = Cu + ZnSO4, the surface of bluish white metal is covered with a layer of red substance copper plating