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8 Al2S3 = 16 Al + 3 S8
NaOH + HCl + CuSO4 = Cu(OH)2 + NaCl + H2SO4 =>
2 NaOH + 2 HCl + CuSO4 = Cu(OH)2 + 2 NaCl + H2SO4
SnO + H2SO4 = SnO2 + SO2 + H2O =>
SnO + H2SO4 = SnO2 + SO2 + H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Cu(NH3)4 + Cl = CuCl + NH3 =>
Cu(NH3)4 + Cl = CuCl + 4 NH3
N2O5 = NO2 + O2 =>
2 N2O5 = 4 NO2 + O2
FeO(s) + O2(g) = Fe2O3(s) =>
4 FeO(s) + O2(g) = 2 Fe2O3(s)
*2Fe + *2Cl2 = *2FeCl3 =>
2*2Fe + 3*2Cl2 = 2*2FeCl3
NaCl + KNO3 = KCl + NaNO3 =>
NaCl + KNO3 = KCl + NaNO3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
MnO2H + H2SO4 + KI = K2SO4 + MnSO4 + I2 + H2O =>
2 MnO2H + 3 H2SO4 + 2 KI = K2SO4 + 2 MnSO4 + I2 + 4 H2O
Mn2 + H2O2 = MnO2 + H2O =>
Mn2 + 4 H2O2 = 2 MnO2 + 4 H2O
SI + H2O = SIO2 + H2 =>
SI + 2 H2O = SIO2 + 2 H2
Au + H2O = AuOH + H =>
Au + H2O = AuOH + H
ZnO + AlBr3 = Br2Zn + Al2O3 =>
3 ZnO + 2 AlBr3 = 3 Br2Zn + Al2O3
SeO2 = Se + O2 =>
SeO2 = Se + O2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
H2SO4 + CaC2 = CaSO4 + C2H2 =>
H2SO4 + CaC2 = CaSO4 + C2H2
Zn + Cu3SO4 = Zn2SO4 + Cu =>
2 Zn + Cu3SO4 = Zn2SO4 + 3 Cu
NaI + H2O + Cl2 = NaClO + H2 + I =>
2 NaI + 2 H2O + Cl2 = 2 NaClO + 2 H2 + 2 I
SO4 + SH = SH4 + S2O =>
3 SO4 + 28 SH = 7 SH4 + 12 S2O
Co + CH3COOH + H2O = Co(CH3COO)2*4H2O + H2 =>
Co + 2 CH3COOH + 4 H2O = Co(CH3COO)2*4H2O + H2
Pr6O11 + Ca = CaO + Pr =>
Pr6O11 + 11 Ca = 11 CaO + 6 Pr
C5H10 + KMnO4 + H2O = C2H4(OH)2 + MnO2 + KOH =>
6 C5H10 + 10 KMnO4 + 20 H2O = 15 C2H4(OH)2 + 10 MnO2 + 10 KOH
Na2S2O3 + Cl2 + H2O = NaCl + H2SO4 + HCl =>
Na2S2O3 + 4 Cl2 + 5 H2O = 2 NaCl + 2 H2SO4 + 6 HCl
CaO + B = B2O3 + Ca =>
3 CaO + 2 B = B2O3 + 3 Ca
Si + BaO = SiO2 + Ba =>
Si + 2 BaO = SiO2 + 2 Ba
Na2(Sn(OH)6) + HCl = Sn(OH)4 + NaCl + H2O =>
Na2(Sn(OH)6) + 2 HCl = Sn(OH)4 + 2 NaCl + 2 H2O
H2ClO4 + Al = Al(ClO3)3 + H2O =>
3 H2ClO4 + Al = Al(ClO3)3 + 3 H2O
H3PO4 + Mg(OH)2 = MgHPO4 + H2O =>
H3PO4 + Mg(OH)2 = MgHPO4 + 2 H2O
C + H + O = CH3COOH =>
2 C + 4 H + 2 O = CH3COOH
NaCl + CuSO3 = Na2SO3 + CuCl2 =>
2 NaCl + CuSO3 = Na2SO3 + CuCl2
NH4NO3 + NaH = NaNO3 + NH3 + H2O =>
5 NH4NO3 + 4 NaH = 4 NaNO3 + 6 NH3 + 3 H2O
Na2CO + FeCrO4 + O2 = Fe2O3 + Na2CrO4 + CO2 =>
4 Na2CO + 4 FeCrO4 + 5 O2 = 2 Fe2O3 + 4 Na2CrO4 + 4 CO2
O2 + Mn = MnO =>
O2 + 2 Mn = 2 MnO
Zn + CuCl = Cu2 + ZnCl =>
2 Zn + 2 CuCl = Cu2 + 2 ZnCl
CO2 + Mg(OH)2 = MgCO3H2O =>
CO2 + Mg(OH)2 = MgCO3H2O
FeCl3 + CH3COONa + H2O = FeOH(CH3COO)2 + NaCl + CH3COOH =>
FeCl3 + 3 CH3COONa + H2O = FeOH(CH3COO)2 + 3 NaCl + CH3COOH
HBr + K2SO4 = HK + Br2SO4 =>
2 HBr + K2SO4 = 2 HK + Br2SO4
C6H12 + Cl2 = C6H11Cl + HCl =>
C6H12 + Cl2 = C6H11Cl + HCl
SiCl4(l) + H2O(li) = SiO2(s) + HCl(aq) =>
SiCl4(l) + 2 H2O(li) = SiO2(s) + 4 HCl(aq)
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
CrO + KClO3 + H2O = Cr(OH)3 + K(OH)Cl =>
5 CrO + KClO3 + 8 H2O = 5 Cr(OH)3 + K(OH)Cl
PCl + H2O = HPO + HCl =>
PCl + H2O = HPO + HCl
MgBr2 + KOH = KBr + Mg(OH)2 =>
MgBr2 + 2 KOH = 2 KBr + Mg(OH)2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Ag2S + CN{-} + O2 + H2O = Ag(CN)2{-} + S + OH{-} =>
2 Ag2S + 8 CN{-} + O2 + 2 H2O = 4 Ag(CN)2{-} + 2 S + 4 OH{-}
C7H5N3O6(s) + O2(g) = N2(g) + H2O(g) + CO2(g) =>
4 C7H5N3O6(s) + 21 O2(g) = 6 N2(g) + 10 H2O(g) + 28 CO2(g)
Hg2Cl2 + SnCl2 = SnCl4 + Hg2 =>
Hg2Cl2 + SnCl2 = SnCl4 + Hg2
Ca3N2 + NaCl = CaCl2 + Na3N =>
Ca3N2 + 6 NaCl = 3 CaCl2 + 2 Na3N
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