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S + Cu2 = Cu2S
HC3H5O3 + OH = C6H8O7 + H2O =>
2 HC3H5O3 + 6 OH = C6H8O7 + 5 H2O
SnCl2*H2O = SnCl2 + H2O =>
SnCl2*H2O = SnCl2 + H2O
NaOH + (NH4)2Cr2O7 = Na2Cr2O7 + NH3 + H2O =>
2 NaOH + (NH4)2Cr2O7 = Na2Cr2O7 + 2 NH3 + 2 H2O
KCl + Mg(OH)2 = MgCl2 + K2(OH)2 =>
2 KCl + Mg(OH)2 = MgCl2 + K2(OH)2
Zn + KOH = KZnO + H2 =>
2 Zn + 2 KOH = 2 KZnO + H2
Al(OH)3 + NH4OH = NH4AlO2 + H2O =>
Al(OH)3 + NH4OH = NH4AlO2 + 2 H2O
C14H10O2 + NaBH4 + CH3CH2OH = C14H14O2 + NaB(OCH3CH2)4 =>
2 C14H10O2 + NaBH4 + 4 CH3CH2OH = 2 C14H14O2 + NaB(OCH3CH2)4
Br2 + O2 = Br5O3 =>
5 Br2 + 3 O2 = 2 Br5O3
FeO4S = FeO4 + S =>
FeO4S = FeO4 + S
HNO3(aq) + CaSO3(s) = Ca(NO3)2(aq) + SO2(g) + H2O(l) =>
2 HNO3(aq) + CaSO3(s) = Ca(NO3)2(aq) + SO2(g) + H2O(l)
K2(CO3) + Na(NO3) = K(NO3) + Na2(CO3) =>
K2(CO3) + 2 Na(NO3) = 2 K(NO3) + Na2(CO3)
FeCO3 + HNO3 = Fe(NO3)2 + CO2 + H2O =>
FeCO3 + 2 HNO3 = Fe(NO3)2 + CO2 + H2O
I2 + FeOH = OHFeI2 =>
I2 + FeOH = OHFeI2
KMnO4 + S + HCl = SO2 + MnCl2 + KCl + H2O =>
4 KMnO4 + 5 S + 12 HCl = 5 SO2 + 4 MnCl2 + 4 KCl + 6 H2O
Pb + O2 = Pb3O4 =>
3 Pb + 2 O2 = Pb3O4
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
Cr2O7{-2} + H2S + H{+} = Cr{3+} + S + H2O =>
Cr2O7{-2} + 3 H2S + 8 H{+} = 2 Cr{3+} + 3 S + 7 H2O
HC2H3O2 + NaHCO3 = CO2 + NaC2H3O2 + H2O =>
HC2H3O2 + NaHCO3 = CO2 + NaC2H3O2 + H2O
K2S + Mn + Sn + S = K44Mn10Sn18S175 =>
22 K2S + 10 Mn + 18 Sn + 153 S = K44Mn10Sn18S175
BiO3 + H = Bi + H2O =>
BiO3 + 6 H = Bi + 3 H2O
HNO3 + Pb(CH3COO)2 = HCH3COO + Pb(NO3)2 =>
2 HNO3 + Pb(CH3COO)2 = 2 HCH3COO + Pb(NO3)2
NaHCO3 + BaSO4 = Na2SO4 + Ba(HCO3)2 =>
2 NaHCO3 + BaSO4 = Na2SO4 + Ba(HCO3)2
NO + H2O = NH3 + O2 =>
4 NO + 6 H2O = 4 NH3 + 5 O2
NaClO + H2O = HClO + Na + OH =>
NaClO + H2O = HClO + Na + OH
CaS + HNO3 = NO + SO2 + Ca(NO3)2 + H2O =>
CaS + 4 HNO3 = 2 NO + SO2 + Ca(NO3)2 + 2 H2O
FeCO3 = FeO + CO2 =>
FeCO3 = FeO + CO2
HBr + CaO = CaBr2 + H2O =>
2 HBr + CaO = CaBr2 + H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
NaHCO3 + Al(OH)3 = Na[Al(OH)4] + CO2 =>
NaHCO3 + Al(OH)3 = Na[Al(OH)4] + CO2
MmO2 + CO = Mm2O3 + CO2 =>
2 MmO2 + CO = Mm2O3 + CO2
HOO2OH + HOO2CH3 = HOO2OO2CH3 + H2O =>
HOO2OH + HOO2CH3 = HOO2OO2CH3 + H2O
Pb + Na + C3H5Cl = Pb(C3H5)4 + NaCl =>
Pb + 4 Na + 4 C3H5Cl = Pb(C3H5)4 + 4 NaCl
C3H4O6N + O2 = CO2 + H2O + NH3 =>
4 C3H4O6N + O2 = 12 CO2 + 2 H2O + 4 NH3
P2O5 + KOH = H2O + K2(HPO4) =>
P2O5 + 4 KOH = H2O + 2 K2(HPO4)
C8H18O + C7H6O3 = C14H22O3 + H2O =>
7 C8H18O + 6 C7H6O3 = 7 C14H22O3 + 4 H2O
Silvernitrate + lithium = Lithiumnitrate + silver =>
AgNO3 + Li = LiNO3 + Ag
NaI + Ag(NO3)2 = Na(NO3)2 + Ag(I) =>
NaI + Ag(NO3)2 = Na(NO3)2 + Ag(I)
H2O + K2Cr2O7 + KCl = HCl + K2CrO4 =>
H2O + K2Cr2O7 + 2 KCl = 2 HCl + 2 K2CrO4
K + H20O = KOH + H2 =>
2 K + 2 H20O = 2 KOH + 19 H2
La2O2S + O2 = La2O3 + SO =>
La2O2S + O2 = La2O3 + SO
SO2 + AgNO3 = Ag2S + NO3 + O2 =>
SO2 + 2 AgNO3 = Ag2S + 2 NO3 + O2
CuSe + K2Se4 + V = Cu2KVSe4 =>
4 CuSe + K2Se4 + 2 V = 2 Cu2KVSe4
CoS + HNO3 = S2 + NO + Co(NO3)2 + H2O =>
6 CoS + 16 HNO3 = 3 S2 + 4 NO + 6 Co(NO3)2 + 8 H2O
Fe2(SO4)3 + K4(Fe(CN)6) = KFe(Fe(CN)6) + K2SO4 =>
Fe2(SO4)3 + 2 K4(Fe(CN)6) = 2 KFe(Fe(CN)6) + 3 K2SO4
HCl + ZnS = SCl + ZnH =>
HCl + ZnS = SCl + ZnH
(NH4)3PO4 = H3PO4 + NH3 =>
(NH4)3PO4 = H3PO4 + 3 NH3
Zn + KOH + H2O = K2(Zn(OH)4) + H2 =>
Zn + 2 KOH + 2 H2O = K2(Zn(OH)4) + H2
K2CrO7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + H2O =>
2 K2CrO7 + 18 FeSO4 + 14 H2SO4 = Cr2(SO4)3 + 9 Fe2(SO4)3 + 2 K2SO4 + 14 H2O
H2C2O4 + NH4OH = H2O + C2H8N2O4 =>
H2C2O4 + 2 NH4OH = 2 H2O + C2H8N2O4
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