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4 Co + 3 O2 = 2 Co2O3
NaOH + Al2O3 + HF = Na3AlF6 + H2O =>
6 NaOH + Al2O3 + 12 HF = 2 Na3AlF6 + 9 H2O
Li3N + H2O = NH3 + LiOH =>
Li3N + 3 H2O = NH3 + 3 LiOH
Na2C2O4 + KMnO4 + H2SO4 = K2SO4 + Na2SO4 + MnSO4 + CO2 + H2O =>
5 Na2C2O4 + 2 KMnO4 + 8 H2SO4 = K2SO4 + 5 Na2SO4 + 2 MnSO4 + 10 CO2 + 8 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
C + O2 = CO2 =>
C + O2 = CO2
CuCl2 + Na3PO4 = Cu3(PO4)2 + NaCl =>
3 CuCl2 + 2 Na3PO4 = Cu3(PO4)2 + 6 NaCl
Mg + OH = Mg(OH)2 =>
Mg + 2 OH = Mg(OH)2
Co + O2 = Co2O3 =>
4 Co + 3 O2 = 2 Co2O3
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Ca(OH)2 = CaO + H2O =>
Ca(OH)2 = CaO + H2O
Sn + HCl = SnCl + H2 =>
2 Sn + 2 HCl = 2 SnCl + H2
P + H2SO4 = H3PO4 + SO2 + H2O =>
2 P + 5 H2SO4 = 2 H3PO4 + 5 SO2 + 2 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
C + O2 = CO2 =>
C + O2 = CO2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
NH4 + Cl = NH4Cl =>
NH4 + Cl = NH4Cl
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Ag + Cl = AgCl =>
Ag + Cl = AgCl
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + H2O(l) + NO(g) =>
3 Cu(s) + 8 HNO3(aq) = 3 Cu(NO3)2(aq) + 4 H2O(l) + 2 NO(g)
NH3 + HCI = NH4CI =>
NH3 + HCI = NH4CI
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Cu(s) + S8(s) = Cu2S(s) =>
16 Cu(s) + S8(s) = 8 Cu2S(s)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaHCO3(aq) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g) =>
NaHCO3(aq) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g)
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KI + Br2 = KBr + I2 =>
2 KI + Br2 = 2 KBr + I2
NH4 = N2 + H2 =>
2 NH4 = N2 + 4 H2
Na2O + SiO2 = Na2SiO3 =>
Na2O + SiO2 = Na2SiO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Mg + OH = Mg(OH)2 =>
Mg + 2 OH = Mg(OH)2
CaCl2 + H2SO4 = CaSO4 + HCl =>
CaCl2 + H2SO4 = CaSO4 + 2 HCl
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
KI + Pb(NO3)2 = PbI2 + KNO3 =>
2 KI + Pb(NO3)2 = PbI2 + 2 KNO3
Sn(OH)4 + HBr = H2O + SnBr4 =>
Sn(OH)4 + 4 HBr = 4 H2O + SnBr4
Br2 + KL = KBr + L2 =>
Br2 + 2 KL = 2 KBr + L2
CH3CH2COOCH3 + NaOH = CH3CH2COONa + CH3OH =>
CH3CH2COOCH3 + NaOH = CH3CH2COONa + CH3OH
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
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