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2 Na + H2SO3 = Na2SO3 + H2
OCN + H2O = HOCN + OH =>
OCN + H2O = HOCN + OH
BaCl2(Ac) + Na2SO4(Ac) = BaSO4(s) + NaCl(Ac) =>
BaCl2(Ac) + Na2SO4(Ac) = BaSO4(s) + 2 NaCl(Ac)
Fe(OH)2 + H(NO3) = Fe(NO3)2 + H2O =>
Fe(OH)2 + 2 H(NO3) = Fe(NO3)2 + 2 H2O
HCl(aq) + H2O(l) = H3O(aq) + Cl(aq) =>
HCl(aq) + H2O(l) = H3O(aq) + Cl(aq)
Pb2(NO3) + NaCl = Pb2Cl + NaNO3 =>
Pb2(NO3) + NaCl = Pb2Cl + NaNO3
Mg + (NH4)2C2O4 = Mg(NH4)2 + C2O4 =>
Mg + (NH4)2C2O4 = Mg(NH4)2 + C2O4
KMnO4 + NaHSO3 = H2O + K2SO4 + MnO2 + Na2SO4 + NaHSO4 =>
2 KMnO4 + 3 NaHSO3 = H2O + K2SO4 + 2 MnO2 + Na2SO4 + NaHSO4
O2 + N2 + H2 + S = (NH4)2S4O6 =>
3 O2 + N2 + 4 H2 + 4 S = (NH4)2S4O6
MgO2CO + HCl = ClMgCl + HOH + OCO =>
MgO2CO + 2 HCl = ClMgCl + HOH + OCO
Ba3N2 + H2SO4 = BaSO4 + (NH4)2SO4 =>
Ba3N2 + 4 H2SO4 = 3 BaSO4 + (NH4)2SO4
Ga2(SO3)3 + HBr = H2SO3 + GaBr3 =>
Ga2(SO3)3 + 6 HBr = 3 H2SO3 + 2 GaBr3
H4NO3(s) = N2(g) + O2(g) + H2O(g) =>
2 H4NO3(s) = N2(g) + O2(g) + 4 H2O(g)
Hg + AgNO3 = HgNO3 + Ag =>
Hg + AgNO3 = HgNO3 + Ag
Na + FeBr3 = NaBr + Fe =>
3 Na + FeBr3 = 3 NaBr + Fe
AlO + H2SO4 = Al(SO4) + H2O =>
AlO + H2SO4 = Al(SO4) + H2O
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
NH4Br + F2 = NH4F + Br2 =>
2 NH4Br + F2 = 2 NH4F + Br2
Na + FeBr3 = NaBr + Fe =>
3 Na + FeBr3 = 3 NaBr + Fe
Mg + As = Mg3As2 =>
3 Mg + 2 As = Mg3As2
H2Cr2O7 + Sn(OH)4 = Sn2(Cr2O7)4 + H2O =>
4 H2Cr2O7 + 2 Sn(OH)4 = Sn2(Cr2O7)4 + 8 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
MgBr2 + H2O = MgO + HBr =>
MgBr2 + H2O = MgO + 2 HBr
Cu(s) + O2(g) = Cu2O(s) =>
4 Cu(s) + O2(g) = 2 Cu2O(s)
Al2O = Al + O2 =>
2 Al2O = 4 Al + O2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Fe3O4 + H2O = Fe(OH)3 + H2 =>
2 Fe3O4 + 10 H2O = 6 Fe(OH)3 + H2
NaIO3 + H2SO3 = NaI + H2SO4 =>
NaIO3 + 3 H2SO3 = NaI + 3 H2SO4
Na2CO2 + CH3COOH = NaHCO3 + CH3COONa =>
4 Na2CO2 + 5 CH3COOH = 2 NaHCO3 + 6 CH3COONa
Cu3(AsO3)2 + NaOH = Na3AsO4 + Cu2O + Na3AsO3 + H2O =>
2 Cu3(AsO3)2 + 12 NaOH = 3 Na3AsO4 + 3 Cu2O + Na3AsO3 + 6 H2O
HSO3NH2 + KOH = KSO3NH2 + H2O =>
HSO3NH2 + KOH = KSO3NH2 + H2O
C8H6O4 = C8H4O3 + H2O =>
C8H6O4 = C8H4O3 + H2O
V2O + H2O = V(OH) =>
V2O + H2O = 2 V(OH)
C4H9Br + NaOH = C4H8 + NaBr + H2O =>
C4H9Br + NaOH = C4H8 + NaBr + H2O
C4H9Br + NaOH = NaBr + C4H10O =>
C4H9Br + NaOH = NaBr + C4H10O
Zn(OH)2 + H2O = H3O + ZnO2 =>
Zn(OH)2 + 2 H2O = 2 H3O + ZnO2
Na2CO3CO2H2O = NaHCO3 =>
Na2CO3CO2H2O = 2 NaHCO3
Zn(C2H3O2)2 + KNO3 = Zn(NO3)2 + K(C2H3O2) =>
Zn(C2H3O2)2 + 2 KNO3 = Zn(NO3)2 + 2 K(C2H3O2)
K2HPO4 + HCl = KCl + KH2PO4 =>
K2HPO4 + HCl = KCl + KH2PO4
Cu(l) + AgNO3 = Ag + Cu(NO3)2 =>
Cu(l) + 2 AgNO3 = 2 Ag + Cu(NO3)2
MnS + O2 = MnO + SO2 =>
2 MnS + 3 O2 = 2 MnO + 2 SO2
Pb3O4 + NH3 = Pb + H2O + N2 =>
3 Pb3O4 + 8 NH3 = 9 Pb + 12 H2O + 4 N2
Au2S3 + MgI2 = AuI3 + MgS =>
Au2S3 + 3 MgI2 = 2 AuI3 + 3 MgS
Co(s) + Cl2(g) = CoCl2(s) =>
Co(s) + Cl2(g) = CoCl2(s)
AgNO3 + Zn = ZnAg + NO3 =>
AgNO3 + Zn = ZnAg + NO3
CCl4 + UO2 = UCl4 + COCl2 =>
2 CCl4 + UO2 = UCl4 + 2 COCl2
C17H29COOH + O2 = CO2 + H2O =>
2 C17H29COOH + 49 O2 = 36 CO2 + 30 H2O
K2MnO4 + H2O + KI = I2 + MnO2 + KOH =>
K2MnO4 + 2 H2O + 2 KI = I2 + MnO2 + 4 KOH
ClO2 + I2 = I2O5 + Cl2 =>
10 ClO2 + 4 I2 = 4 I2O5 + 5 Cl2
Fe + Cu(NO3) = Fe(NO3)3 + Cu =>
Fe + 3 Cu(NO3) = Fe(NO3)3 + 3 Cu
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