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HNO3 + Zn = ZnHNO3
Zn(cr) + CrCl3(aq) = CrCl2(aq) + ZnCl2(aq) =>
Zn(cr) + 2 CrCl3(aq) = 2 CrCl2(aq) + ZnCl2(aq)
Cu(NO3)2 + HOH = Cu(OH)NO3 + HNO3 =>
Cu(NO3)2 + HOH = Cu(OH)NO3 + HNO3
C + Pb = CPb =>
C + Pb = CPb
PO4 + Pb(NO3)2 = Pb + PO4NO3 =>
2 PO4 + Pb(NO3)2 = Pb + 2 PO4NO3
KI(aq) + H2SO4(aq) + H2O2(aq) = K2SO4(aq) + I2(s) + H2O =>
2 KI(aq) + H2SO4(aq) + H2O2(aq) = K2SO4(aq) + I2(s) + 2 H2O
Ca + SO4 = CaSO4 =>
Ca + SO4 = CaSO4
HCOOH + PCl5 = HCOCl + POCl3 + HCl =>
HCOOH + PCl5 = HCOCl + POCl3 + HCl
CH3CH2COH + [Ag(NH3)2]OH = CH3CH2COOH + Ag + NH3 + H2O =>
CH3CH2COH + 2[Ag(NH3)2]OH = CH3CH2COOH + 2 Ag + 4 NH3 + H2O
H3PO3 = H2O + P2O3 =>
2 H3PO3 = 3 H2O + P2O3
K4Fe(CN)6 + KMnO4 + H2SO4 = Fe2(SO4) + CO2 + HNO3 + MnSO4 + K2SO4 + H2O =>
10 K4Fe(CN)6 + 118 KMnO4 + 202 H2SO4 = 5 Fe2(SO4) + 60 CO2 + 60 HNO3 + 118 MnSO4 + 79 K2SO4 + 172 H2O
A2B2 = AB =>
A2B2 = 2 AB
Fe3 + Cu2SO4 = Fe2(SO4)3 + Cu =>
2 Fe3 + 9 Cu2SO4 = 3 Fe2(SO4)3 + 18 Cu
Bi(OH)3 + SnO = Bi + SnO2 + H2O =>
2 Bi(OH)3 + 3 SnO = 2 Bi + 3 SnO2 + 3 H2O
Pb{+} + Cl2{-} = PbCl2 =>
Pb{+} + Cl2{-} = PbCl2
Cs + MgF2 = CsF + Mg =>
2 Cs + MgF2 = 2 CsF + Mg
Zn + K3[Fe(CN)6] + H2SO4 = Zn2[Fe(CN)6] + H2 + K2SO4 =>
4 Zn + 2 K3[Fe(CN)6] + 3 H2SO4 = 2 Zn2[Fe(CN)6] + 3 H2 + 3 K2SO4
Cr + (OH)3 = Cr(OH)4 =>
3 Cr + 4(OH)3 = 3 Cr(OH)4
CuSO4 + NaOH = CuO + Na2SO4 + H2O =>
CuSO4 + 2 NaOH = CuO + Na2SO4 + H2O
NaClO2 + KI + H2SO4 = I2 + NaCl + K2SO4 + H2O =>
NaClO2 + 4 KI + 2 H2SO4 = 2 I2 + NaCl + 2 K2SO4 + 2 H2O
RCH = CHR =>
RCH = CHR
ZnSO4 + K3Fe(CN)6 + KI = K2Zn3[Fe(CN)6]2 + K2SO4 + I2 =>
3 ZnSO4 + 2 K3Fe(CN)6 + 2 KI = K2Zn3[Fe(CN)6]2 + 3 K2SO4 + I2
H2PdCl4 + NaOH = Pd(OH)2 + H2O + NaCl =>
H2PdCl4 + 4 NaOH = Pd(OH)2 + 2 H2O + 4 NaCl
H2NCH2COOHHCl = H2NCH2COOClH2 =>
H2NCH2COOHHCl = H2NCH2COOClH2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C9H8O4 + NH4OH = C7H6O3 + C2H4O2NH3 =>
C9H8O4 + NH4OH = C7H6O3 + C2H4O2NH3
KBr + H2O + Cl2 = KCl + HBrO3 + HCl =>
KBr + 3 H2O + 3 Cl2 = KCl + HBrO3 + 5 HCl
Zn + KOH = K2 + Zn(OH)2 =>
Zn + 2 KOH = K2 + Zn(OH)2
C + S8 = CS2 =>
4 C + S8 = 4 CS2
(NH4)3N + Cr(CrO4)2 = (NH4)2CrO4 + Cr3N4 =>
4(NH4)3N + 3 Cr(CrO4)2 = 6(NH4)2CrO4 + Cr3N4
PB(C2H3O2)2 + KI = PBI2 + KC2H3O2 =>
PB(C2H3O2)2 + 2 KI = PBI2 + 2 KC2H3O2
MnO4{-} + N2H4 + H{+} = Mn{2+} + N2 + H2O =>
4 MnO4{-} + 5 N2H4 + 12 H{+} = 4 Mn{2+} + 5 N2 + 16 H2O
Na2S5 + O2 = Na2S2O3 + S2 =>
2 Na2S5 + 3 O2 = 2 Na2S2O3 + 3 S2
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Pb(s) + HNO3(aq) = Pb(NO3)4(aq) + H2(g) =>
Pb(s) + 4 HNO3(aq) = Pb(NO3)4(aq) + 2 H2(g)
FeS2 + H2O + O2 = Fe2(SO4)3 + H2SO4 =>
4 FeS2 + 2 H2O + 15 O2 = 2 Fe2(SO4)3 + 2 H2SO4
BeOKOH = BeOHKO =>
BeOKOH = BeOHKO
Rb2Te + Ca3N2 = Rb3N + TeCa =>
3 Rb2Te + Ca3N2 = 2 Rb3N + 3 TeCa
Zn(NO3)3 + LiOH = Zn(OH)3 + Li(NO3) =>
Zn(NO3)3 + 3 LiOH = Zn(OH)3 + 3 Li(NO3)
Al + NaH + H2O = NaAlO2 + H2 =>
2 Al + 2 NaH + 4 H2O = 2 NaAlO2 + 5 H2
Ag2O + Cl = AgCl + O2 =>
2 Ag2O + 4 Cl = 4 AgCl + O2
PbCl2 + K2SO4 = PbSO4 + KCl =>
PbCl2 + K2SO4 = PbSO4 + 2 KCl
Al2Se3 + H2O = Al2O3 + H2Se =>
Al2Se3 + 3 H2O = Al2O3 + 3 H2Se
Rb2Te + Ca3N2 = Rb3N + TeCa =>
3 Rb2Te + Ca3N2 = 2 Rb3N + 3 TeCa
H18 = H2 =>
H18 = 9 H2
PbCl2 + CO + H2O = CO2 + Pb + HCl =>
PbCl2 + CO + H2O = CO2 + Pb + 2 HCl
H3PO3 = H3PO4 + PH3 =>
4 H3PO3 = 3 H3PO4 + PH3
Na + CI2 = NaCI2 =>
Na + CI2 = NaCI2
Eu(OH)2 + CO2 + H2O = CO + Eu(OH)3 =>
2 Eu(OH)2 + CO2 + H2O = CO + 2 Eu(OH)3
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