Complete the following reaction Chinese equations and chemical equations urgently

Aluminium chloride water.

Calcium chloride carbon dioxide water.

Copper chloride water.

Hydrogen Zinc chloride.

Too much...

1) Potassium permanganate reacts under heating conditions to generate potassium manganate, manganese dioxide and oxygen The chemical equation of the reaction is: 2kmno 4 k 2 mno 4 +mno 2 +o 2 2) barium hydroxide reacts with sulfuric acid to generate barium sulfate precipitate and water The chemical equation of the reaction is: ba(oh) 2 +h 2 so 4 = baso 4 +2h 2 o The reaction is composed of two compounds exchanging components with each other to form two new compounds, which is in line with the concept of metathesis reaction and belongs to metathesis reaction (3) Zinc reacts with copper sulfate to form zinc sulfate and copper The chemical equation of the hail reaction is:

Zn+CuSO4 =ZNSO4 +Cu The phenomenon of this reaction is: a layer of red substance is attached to the surface of zinc powder, and the solution changes from blue to colorless Therefore, the answer is: (1)2kmNO4 K2 mNO4 +MNO 2 +O 2 2)BA(OH) 2 +H2 SO4 =BASO4 +2H2O; Metathesis reaction (3)Zn+CuSO4 =ZNSO4+Cu; A layer of red substance is attached to the surface of zinc powder, and the solution changes from blue to colorless.

4.The first step is that the phenomenon of CO2+Ca(OH)2=CaCO3 (precipitation symbol)+H2O produces a white precipitate, and the second step is the phenomenon of CaCO3+CO2+H2O=Ca(HCO3)2 phenomenon The white precipitate disappears and heats) ===CaO+CO2 high temperature)==2CO ignition)=2CO2+3H2O +H2SO4=FeSO4 +H2 9

C+2Cuo(Heating)=CO2+2Cu Fe2O3 High Temperature =2Fe + 3CO2 Fe3O4 High Temperature=3Fe + 4CO2 Heating==2CuO+H2O+CO2 +6Hno3 =2Fe(NO3)3+3H2O 15 fe + hg(no3)2 == fe(no3)2 + hg +h2so4 ==znso4 +h2↑ 2+2hcl=cacl2+2h20+2co2(g)18. mgco3+h2so4=mgso4+h2o+co2↑ 19.

1)2na2o2+2h20=4naoh+o2↑(2)2na2o2+2co2=2na2co3+o2 20.(1)baco3+h2so4=baso4+co2+h2o(2)h2co3 === h2o + co2↑(3)ch4+2o2=co2↑+2h2o

Well, it doesn't seem to be very difficult.

Ethanol is generated.

Acetylene reacts with hydrochloric acid to produce purity.

Ethylene is generated. Nitrobenzene dust orange is generated.

Add sodium hydroxide.

Potassium permanganate hyptans and chemants.

Silver and cuprous oxide have precipitation symbols, and ammonia has gas symbols. There is also a question of conditional heating.

Al+O2== (ignition) Al2O3

al2o3+hcl==alcl3+h2o

AlCl3 + Koh = = Al(OH)3 precipitate + KClal(OH)3 + KOH==KALO2 + H2OCU+HNO3 (dilute) ==Cu(NO3)2+NO+H2OCU(NO3)2+NaOH===Cu(OH)2+nano3Cu(OH)2== (heating) CUO+H2O

CuO+H2SO4 (rare) ==CuSO4+H2OCUSO4+Fe==Cu+FeSo4

Trim yourself.

I didn't learn chemistry well in high school, and it's inconvenient to write reaction formulas, so I guess I'll give you a hint. The above is the reaction of the aluminum strip with oxygen to produce white alumina. It then reacts with hydrochloric acid to form aluminum chloride, and then reacts with alkali, such as sodium hydroxide to form aluminum hydroxide, and then reacts with potassium metal to form the above products and hydrogen.

Copper reacts with nitric acid, and then with sodium hydroxide or other alkalis to generate precipitated copper hydroxide, heats and loses water to obtain copper oxide, and then adds sulfuric acid to copper sulfate, and replaces copper with iron to obtain copper element. It's been seven or eight years since I graduated from high school, so you have to do your best.

1. Ignite.

4al+3o2====2al2o3

Al2O3+6HCl==2ALCl3+3H20ALC3+3Koh=3KCl+Al(OH)3 (precipitation) Al(OH)3+KOH=KALO2+2H202, Cu+4HNO3 (concentrated)=Cu(NO3)2+2NO2 +2H2O3Cu+8HNO3 (dilute)=3Cu(NO3)2+2NO2+4H2Ocu(NO3)2+2NaOH=Cu(OH)2 (precipitation)+2nano3 heats Cu(OH)2====CuO+H2O

cuo+h2so4=cuso4+h2o

fe+cuso4=feso4+cu

Sodium chlorite reacts with chlorine gas to form chlorine dioxide and sodium chloride 2Naclo2 + Cl2==2Cl2 +2NaCl Sodium carbonate reacts with barium chloride to form barium carbonate precipitate and sodium chloride Na2CO3 + BaCl2==BaCO3 +2NaCl Sodium carbonate reacts with dilute hydrochloric acid to produce sodium chloride, water and carbon dioxide Na2CO3 + 2HCl = = 2NaCl + H2O + CO2 Water reacts with calcium peroxide to produce oxygen and calcium hydroxide.

2cao2+2h2o==2ca(oh)2+o2↑n(o2)=

2cao2+2h2o==2ca(oh)2+o2↑144 1

2*x144/2x = 1/

x = so the mass fraction of calcium peroxide in the sample is 72%.

Zn+H2SO4=ZNSO4+H2 (upper arrow) C+2CuO(High temperature)=CO2 (upper arrow)+2CuCO2+Ca(OH)2=CaCO3 (lower arrow)+H2O2MG+CO2(ignition)=2MGO+C

NaOH+Cu(OH)2=Cu(OH)2 (down arrow)+Na2SO4FE+CuSO4=FeSO4+Cu

(1) Fe + CuSO4 = Cu + FeSo4 ( displacement reaction ) (2) K2O + H2O = KOH ( chemical reaction ) (3) SO2 + H2O = H2SO3 ( chemical reaction ) (4) NH4HCO3 = NH3 + H2O + CO2 ( decomposition reaction ) (5) Na2CO3 + Ba (OH) 2 = BaCO3 + NaOH (metathesis reaction).

(1) H2 + CuSO4 = Cu + H2SO4 (redox reaction).

2) K2O + H2O = 2koh chemical reaction )

3) SO2 + H2O = H2SO3 (chemical reaction).

4) NH4HCO3 = NH4 CO2 H2O decomposition reaction).

5) Na2CO3+Ca(OH)2= CaCO3 NaOH metathesis reaction.

Zn+CuSO4=Cu+ZnSO4 Displacement Reaction Redox Reaction K2O+CO2=K2CO3 Compounding Reaction Non-Redox Reaction SO2+H2O=H2SO3 Compounding Reaction Non-Redox Reaction NH4HCO3=NH3 +CO2 +H2O Decomposition Reaction Non-Redox Reaction.

Na2CO3 + Ca(OH)2=CaCO3 +2NaOH Metathesis Reaction Non-redox reaction.

(1) Zn+CuSO4=Cu+ZnSO4 substitution reaction, (2) K2O+CO2=K2CO3 compounding reaction, (3) SO2+H2O=H2SO3 synthesis reaction, (4) NH4HCO3=NH3+H2O+CO2 decomposition reaction, (5) Na2CO3+Ca(OH)2=CaCO3+2NaOH metathesis reaction.