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Cu2S = 2 Cu + S
CH3COOH + HBr = CH3COOBr + H2 =>
CH3COOH + HBr = CH3COOBr + H2
C6H5OH + CH3COCl = C6H5COOCH3 + HCl =>
C6H5OH + CH3COCl = C6H5COOCH3 + HCl
AsH3 + H3AsO4 = H3AsO3 =>
AsH3 + 3 H3AsO4 = 4 H3AsO3
KMnO4 + Fe(ClO4)2 + HClO4 = Fe(ClO4)3 + Mn(ClO4)2 + KClO4 + H2O =>
KMnO4 + 5 Fe(ClO4)2 + 8 HClO4 = 5 Fe(ClO4)3 + Mn(ClO4)2 + KClO4 + 4 H2O
SnCl2 + Ca(OH)2 = Sn(OH)2 + Ca(Cl)2 =>
SnCl2 + Ca(OH)2 = Sn(OH)2 + Ca(Cl)2
HNO3 + NaHCO3 = CO2 + H2O + NaNO3 =>
HNO3 + NaHCO3 = CO2 + H2O + NaNO3
Al = Al5 =>
5 Al = Al5
Mn(NO3)2 + H2O2 + NaOH = MnO2 + NaNO3 + H2O =>
Mn(NO3)2 + H2O2 + 2 NaOH = MnO2 + 2 NaNO3 + 2 H2O
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Li2O + H3BO3 = Li3BO3 + H2O =>
3 Li2O + 2 H3BO3 = 2 Li3BO3 + 3 H2O
MgSO4 + Ca(OH)2 = Mg(OH)2 + CaSO4 =>
MgSO4 + Ca(OH)2 = Mg(OH)2 + CaSO4
SnO2 + HCl = SnCl2 + H2O + Cl2 =>
SnO2 + 4 HCl = SnCl2 + 2 H2O + Cl2
Fe2P + FeS2 = Fe2S3 + P4S10 =>
4 Fe2P + 44 FeS2 = 26 Fe2S3 + P4S10
Zn(CO3) + HBr = ZnBr2 + H2O + CO2 =>
Zn(CO3) + 2 HBr = ZnBr2 + H2O + CO2
O2 + MoS2 = MoO3 + SO2 =>
7 O2 + 2 MoS2 = 2 MoO3 + 4 SO2
Cu2O + HNO3 = Cu + Cu(NO3)2 + H2O =>
Cu2O + 2 HNO3 = Cu + Cu(NO3)2 + H2O
H2O + MnO2 = Mn2H + O =>
H2O + 4 MnO2 = 2 Mn2H + 9 O
KBr + Cl2 = KCl + Br2 =>
2 KBr + Cl2 = 2 KCl + Br2
ClCH2COOC2H5 + Na = CH2COOC2H5 + NaCl =>
ClCH2COOC2H5 + Na = CH2COOC2H5 + NaCl
C6H6 + H2SO4 = C6H6O3S + H2O =>
C6H6 + H2SO4 = C6H6O3S + H2O
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
Li3(PO4) = Li + P + O =>
Li3(PO4) = 3 Li + P + 4 O
KCl + C6H2OH(NO2)3 = KC6H2O(NO2)3 + HCl =>
KCl + C6H2OH(NO2)3 = KC6H2O(NO2)3 + HCl
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
HC2H3OO + NaOH = NaC2H3OO + H2O =>
HC2H3OO + NaOH = NaC2H3OO + H2O
BaClO32 + H2SO4 = BaSO4 + H2ClO32 =>
BaClO32 + H2SO4 = BaSO4 + H2ClO32
Zn + KNO3 + HCl = ZnCl2 + KCl + NO + H2O =>
3 Zn + 2 KNO3 + 8 HCl = 3 ZnCl2 + 2 KCl + 2 NO + 4 H2O
P4 + O = P4O10 =>
P4 + 10 O = P4O10
Au3{+} + AsH3 + OH{-} = As2O33{-} + Au + H2O =>
71 Au3{+} + 2 AsH3 + 72 OH{-} = As2O33{-} + 213 Au + 39 H2O
MgO2 + KlO3 = MgO2KlO3 =>
MgO2 + KlO3 = MgO2KlO3
C4H10 + HCN = C6H8N2 + H2 =>
C4H10 + 2 HCN = C6H8N2 + 2 H2
As2S3 + H2O2 + NH3*H2O = (NH4)3AsO4 + (NH4)2SO4 + H2O =>
As2S3 + 14 H2O2 + 12 NH3*H2O = 2(NH4)3AsO4 + 3(NH4)2SO4 + 20 H2O
AlH3(s) + O2(g) = Al2O3(s) + H2O(g) =>
2 AlH3(s) + 3 O2(g) = Al2O3(s) + 3 H2O(g)
LiCO3 + BeNO2 = BeCO3 + LiNO2 =>
LiCO3 + BeNO2 = BeCO3 + LiNO2
Al4(Fe(CN)6)3 + (NH4)2(SO3) = Al2(SO3)3 + (NH4)4Fe(CN)6 =>
Al4(Fe(CN)6)3 + 6(NH4)2(SO3) = 2 Al2(SO3)3 + 3(NH4)4Fe(CN)6
C = C71 =>
71 C = C71
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
NaO + SO2 = Na2SO3 + O2 =>
4 NaO + 2 SO2 = 2 Na2SO3 + O2
Si4 + H2O = SiO2 + H2 =>
Si4 + 8 H2O = 4 SiO2 + 8 H2
CH2Cl + NaBr = CH2Br + NaCl =>
CH2Cl + NaBr = CH2Br + NaCl
Na2CO3CO2H2O = NaHCO3 =>
Na2CO3CO2H2O = 2 NaHCO3
As4 + NaOCl + OH{-} = NaCl + AsO4{3-} + H2O =>
As4 + 10 NaOCl + 12 OH{-} = 10 NaCl + 4 AsO4{3-} + 6 H2O
Pd + O2 = PdO2 =>
Pd + O2 = PdO2
AlCl3 + HCl = HCl3 + AlCl =>
AlCl3 + HCl = HCl3 + AlCl
MnO2 + BrO = MnO42 + Br =>
MnO2 + 40 BrO = MnO42 + 40 Br
C2H5NH2 + HCl = C2H5NH3 + Cl2 =>
2 C2H5NH2 + 2 HCl = 2 C2H5NH3 + Cl2
Zn + AgI(ag) = ZnI2(ag) + Ag =>
Zn + 2 AgI(ag) = ZnI2(ag) + 2 Ag
K3AlO3 + H2SO4 = K2SO4 + Al2(SO4)3 + H2O =>
2 K3AlO3 + 6 H2SO4 = 3 K2SO4 + Al2(SO4)3 + 6 H2O
I({-}) + IO3({-}) + H{+} = I2 + H2O =>
5 I({-}) + IO3({-}) + 6 H{+} = 3 I2 + 3 H2O
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