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Cu2O(s) + 2 HNO3(aq) = 2 CuNO3(aq) + H2O(l)
Al4C3 + HCl = AlCl3 + CH4 =>
Al4C3 + 12 HCl = 4 AlCl3 + 3 CH4
Kr + O2 = Kr2O =>
4 Kr + O2 = 2 Kr2O
SO2 = SO3 + S2O =>
5 SO2 = 3 SO3 + S2O
Po + O2 = Po2O6 =>
2 Po + 3 O2 = Po2O6
H2C6H6O6 + NaOH = H2O + NaC6H7O6 =>
H2C6H6O6 + NaOH = H2O + NaC6H7O6
C2H5NO2(aq) + O2(g) = CO2(g) + H2O(l) + CH4N2O(aq) =>
2 C2H5NO2(aq) + 3 O2(g) = 3 CO2(g) + 3 H2O(l) + CH4N2O(aq)
KI(aq) + Pb(NO3)2(aq) = PbI2(aq) + KNO3 =>
2 KI(aq) + Pb(NO3)2(aq) = PbI2(aq) + 2 KNO3
HCl(aq) + Li2CO3(aq) = LiHCO3(aq) + LiCl(aq) =>
HCl(aq) + Li2CO3(aq) = LiHCO3(aq) + LiCl(aq)
Pb(NO3)2 + H2O = PbO + HNO3 =>
Pb(NO3)2 + H2O = PbO + 2 HNO3
Mg + O3 = MgO =>
3 Mg + O3 = 3 MgO
CH3CH2CHOHCH3 + K2Cr2O7 + H2SO4 = CH3CH2COCH3 + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3CH2CHOHCH3 + K2Cr2O7 + 4 H2SO4 = 3 CH3CH2COCH3 + Cr2(SO4)3 + K2SO4 + 7 H2O
Br + BaI2 = BaBr2 + I2 =>
2 Br + BaI2 = BaBr2 + I2
NaHSO4 + Ba(NO3)2 = NaNO3 + BaSO4 + HNO3 =>
NaHSO4 + Ba(NO3)2 = NaNO3 + BaSO4 + HNO3
Ca(OH)2 + S = CaS5 + CaS2O3 + H2O =>
3 Ca(OH)2 + 12 S = 2 CaS5 + CaS2O3 + 3 H2O
P + KClO3 + H2O = H3PO4 + KCl =>
6 P + 5 KClO3 + 9 H2O = 6 H3PO4 + 5 KCl
BiCl3 + H2S = BiS + H2Cl3 =>
BiCl3 + H2S = BiS + H2Cl3
Zn + MgSO4 = ZnSO4 + Mg =>
Zn + MgSO4 = ZnSO4 + Mg
CuCO3 + HC2H3O2 = Cu(C2H3O2)2 + H2CO3 =>
CuCO3 + 2 HC2H3O2 = Cu(C2H3O2)2 + H2CO3
H2S + CUO = CUS + H2O =>
H2S + CUO = CUS + H2O
Fe + KI = FeI3 + K =>
Fe + 3 KI = FeI3 + 3 K
Na2O + Mg(OH)2 = MgO + NaOH =>
Na2O + Mg(OH)2 = MgO + 2 NaOH
H2S(aq) + NiSO4(aq) = HSO4(aq) + Ni2S(s) =>
H2S(aq) + 2 NiSO4(aq) = 2 HSO4(aq) + Ni2S(s)
NiCl2 + NH3 = NiNH3 + Cl2 =>
NiCl2 + NH3 = NiNH3 + Cl2
AlI3 + Br2 = AlBr3 + I2 =>
2 AlI3 + 3 Br2 = 2 AlBr3 + 3 I2
I + P + H2O = PH4I + H3PO4 =>
5 I + 9 P + 16 H2O = 5 PH4I + 4 H3PO4
Mn(OH)2 + NaOH = MnOH + Na(OH)2 =>
Mn(OH)2 + NaOH = MnOH + Na(OH)2
CuSO4 + K4[Fe(CN)6] = Cu2Fe(CN)6 + K2SO4 =>
2 CuSO4 + K4[Fe(CN)6] = Cu2Fe(CN)6 + 2 K2SO4
K2S(aq) + CoCl2(aq) = KCl(aq) + CoS(s) =>
K2S(aq) + CoCl2(aq) = 2 KCl(aq) + CoS(s)
KNO3 + FeS = KNO2 + Fe2O3 + SO3 =>
9 KNO3 + 2 FeS = 9 KNO2 + Fe2O3 + 2 SO3
Al(Br)3 + Cl2 = Al(Cl)3 + Br =>
2 Al(Br)3 + 3 Cl2 = 2 Al(Cl)3 + 6 Br
NaHS = Na2S + H2S =>
2 NaHS = Na2S + H2S
K2CrO4 + NH3 = K + NH3CrO4 =>
K2CrO4 + NH3 = 2 K + NH3CrO4
Na2ZnO2 + HCl = ZnCl2 + NaCl + H2O =>
Na2ZnO2 + 4 HCl = ZnCl2 + 2 NaCl + 2 H2O
C6H12O6 + H2O = CO2 + H =>
C6H12O6 + 6 H2O = 6 CO2 + 24 H
C6H10 + H2SO4 = C6H11(HSO4) =>
C6H10 + H2SO4 = C6H11(HSO4)
KMnO4 + H2O + Fe = KOH + MnO2 + Fe(OH)2 =>
2 KMnO4 + 4 H2O + 3 Fe = 2 KOH + 2 MnO2 + 3 Fe(OH)2
C7H6O3 + NaOH = C7H5O3 + Na + H2O =>
C7H6O3 + NaOH = C7H5O3 + Na + H2O
KClO4 = KCl + O2 =>
KClO4 = KCl + 2 O2
C2H4 + MnO4 = CO2 + Mn + H =>
C2H4 + MnO4 = 2 CO2 + Mn + 4 H
(NH2)2CO + H2O = NH3 + CO2 =>
(NH2)2CO + H2O = 2 NH3 + CO2
Na2CO3 + (NH4)3PO4 = Na3PO4 + (NH4)2CO3 =>
3 Na2CO3 + 2(NH4)3PO4 = 2 Na3PO4 + 3(NH4)2CO3
Zn(CH3COO)2 + NaOH = Zn(OH)2 + Na(CH3COO) =>
Zn(CH3COO)2 + 2 NaOH = Zn(OH)2 + 2 Na(CH3COO)
NH3 + Cl2 + H2O = N2O4 + Cl{-} + H3O{+} =>
2 NH3 + 7 Cl2 + 18 H2O = N2O4 + 14 Cl{-} + 14 H3O{+}
Ag + Mg(NO3)2 = Ag(NO3)2 + Mg =>
Ag + Mg(NO3)2 = Ag(NO3)2 + Mg
NaClO2 + H2SO4 = ClO2 + Na2SO4 + HCl + H2O =>
10 NaClO2 + 5 H2SO4 = 8 ClO2 + 5 Na2SO4 + 2 HCl + 4 H2O
NaC2H3O2 + HCl = NaCl + HC2H3O2 =>
NaC2H3O2 + HCl = NaCl + HC2H3O2
MnCl2 + NaBiO3 + HNO3 = NaMnO4 + Bi(NO3)3 + NaNO3 + Cl2 + H2O =>
2 MnCl2 + 7 NaBiO3 + 26 HNO3 = 2 NaMnO4 + 7 Bi(NO3)3 + 5 NaNO3 + 2 Cl2 + 13 H2O
Cu2CO3 = Cu2O + CO2 =>
Cu2CO3 = Cu2O + CO2
PO2 + H2O = H3PO4 + H2 =>
2 PO2 + 4 H2O = 2 H3PO4 + H2
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