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3 H2SO4 + Na2S2O3 = 3 H2O + Na2SO4 + 4 SO2
Ni(NO3)2(aq) + Na2SO4(aq) = NiSO4(s) + NaNO3(aq) =>
Ni(NO3)2(aq) + Na2SO4(aq) = NiSO4(s) + 2 NaNO3(aq)
HgCl + AgNO3 = AgCl + HgNO3 =>
HgCl + AgNO3 = AgCl + HgNO3
K2SO4 + HNO3 = KNO3 + H2SO4 =>
K2SO4 + 2 HNO3 = 2 KNO3 + H2SO4
CH3CH(OH)CH3 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + CH3CH(O)CH3 + H2O =>
6 CH3CH(OH)CH3 + K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 6 CH3CH(O)CH3 + 7 H2O
CUSO4 + HCl = CUCl + SO4 + H2 =>
2 CUSO4 + 2 HCl = 2 CUCl + 2 SO4 + H2
FeTiO3 = TiO2 + FeO =>
FeTiO3 = TiO2 + FeO
Zn + HCI = ZnCI + H =>
Zn + HCI = ZnCI + H
SO3(g)H2O(l) = H2SO4(aq) =>
SO3(g)H2O(l) = H2SO4(aq)
(C6H5)3COH + CH3OH = (C6H5)3CH3OH + OH =>
13(C6H5)3COH + 19 CH3OH = 14(C6H5)3CH3OH + 18 OH
MnO2(s) + HCl(conc) = MnCl2 + H2O(l) + Cl2(g) =>
MnO2(s) + 4 HCl(conc) = MnCl2 + 2 H2O(l) + Cl2(g)
CO + C2H5OH = C2H5COOH =>
CO + C2H5OH = C2H5COOH
CuCl2 + NaOH = Cu4(OH)5Cl3 + NaCl =>
4 CuCl2 + 5 NaOH = Cu4(OH)5Cl3 + 5 NaCl
Br2 + NaBr = NaBr3 =>
Br2 + NaBr = NaBr3
NaBr + H2SO4 + MnO2 = Br2 + H2O + MnSO4 + NaHSO4 =>
2 NaBr + 3 H2SO4 + MnO2 = Br2 + 2 H2O + MnSO4 + 2 NaHSO4
Mg(ClO3)2 + Fe = Fe(ClO3)3 + Mg =>
3 Mg(ClO3)2 + 2 Fe = 2 Fe(ClO3)3 + 3 Mg
O2 = O3 =>
3 O2 = 2 O3
CuSO4 + HCl = CuCl + SO4 + H2 =>
2 CuSO4 + 2 HCl = 2 CuCl + 2 SO4 + H2
FeSO4 + KIO3 = Fe(IO3)2 + K2SO4 =>
FeSO4 + 2 KIO3 = Fe(IO3)2 + K2SO4
CaCa2 + H2O = Ca(OH)2 + CaH2 =>
2 CaCa2 + 6 H2O = 3 Ca(OH)2 + 3 CaH2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
C4H10 + S2 = CS2 + H2S =>
2 C4H10 + 13 S2 = 8 CS2 + 10 H2S
AuSO4 + Ag = Ag2SO4 + Au =>
AuSO4 + 2 Ag = Ag2SO4 + Au
CO + NO = CONO =>
CO + NO = CONO
Zn + HSO4 = Zn(HSO4) =>
Zn + HSO4 = Zn(HSO4)
KClO3 + Na2S + H2SO4 = K2SO4 + Na2SO4 + Cl2 + H2O =>
8 KClO3 + 5 Na2S + 4 H2SO4 = 4 K2SO4 + 5 Na2SO4 + 4 Cl2 + 4 H2O
M + N2 = M2N =>
4 M + N2 = 2 M2N
(NH4)2CrO4(g) = Cr2O3(g) + N2(g) + H2O(g) + NH3(g) =>
2(NH4)2CrO4(g) = Cr2O3(g) + N2(g) + 5 H2O(g) + 2 NH3(g)
K + Br = KBr(aq) =>
K + Br = KBr(aq)
Ca3(PO4)2 + Al(OH)3 = Ca(OH)2 + Al(PO4) =>
Ca3(PO4)2 + 2 Al(OH)3 = 3 Ca(OH)2 + 2 Al(PO4)
C6H12O + KMnO4 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
5 C6H12O + 34 KMnO4 + 51 H2SO4 = 30 CO2 + 17 K2SO4 + 34 MnSO4 + 81 H2O
Cr2O7{-2} + CH3CHO + H{+} = Cr{+3} + CH3COOH + H2O =>
Cr2O7{-2} + 3 CH3CHO + 8 H{+} = 2 Cr{+3} + 3 CH3COOH + 4 H2O
H + ClX2 = HCl3 + HX =>
7 H + 3 ClX2 = HCl3 + 6 HX
Zn + CuCl2 = Cu + ZnCl =>
2 Zn + CuCl2 = Cu + 2 ZnCl
Zn + K4Fe(CN)6 = K2Zn3[Fe(CN)6]2 + K =>
3 Zn + 2 K4Fe(CN)6 = K2Zn3[Fe(CN)6]2 + 6 K
ZnC4H6O4 + AgNO3 = ZnN2O6 + AgC2H3O2 =>
ZnC4H6O4 + 2 AgNO3 = ZnN2O6 + 2 AgC2H3O2
H3PO4 + (NH4)2MoO4 + HNO3 = (NH3)PO4*12MoO3 + NH4NO3 + H2O =>
8 H3PO4 + 96(NH4)2MoO4 + 190 HNO3 = 8(NH3)PO4*12MoO3 + 187 NH4NO3 + 105 H2O
(NH4)2S = H2S + NH3 =>
(NH4)2S = H2S + 2 NH3
Ba3(PO4)2 + CaCl2 = BaCl2 + Ca3(PO4)2 =>
Ba3(PO4)2 + 3 CaCl2 = 3 BaCl2 + Ca3(PO4)2
Ba + KPO4 = Ba3(PO4)2 + K =>
3 Ba + 2 KPO4 = Ba3(PO4)2 + 2 K
N + H = N2H4 =>
2 N + 4 H = N2H4
Mn + S = Mn2S7 =>
2 Mn + 7 S = Mn2S7
CaCl3 + Na2CO3 = Ca2(CO3)3 + NaCl =>
2 CaCl3 + 3 Na2CO3 = Ca2(CO3)3 + 6 NaCl
Pb(NO3)2 + KJ = PbJ + K(NO3)2 =>
Pb(NO3)2 + KJ = PbJ + K(NO3)2
NH3 + Br2 = N2 + HBr =>
2 NH3 + 3 Br2 = N2 + 6 HBr
Fe3 + Cl2 = FeCl3 =>
2 Fe3 + 9 Cl2 = 6 FeCl3
CaNO3 + KSO4 = CaSO4 + KNO3 =>
CaNO3 + KSO4 = CaSO4 + KNO3
Al2 + CuCl2 = AlCl3 + Cu =>
Al2 + 3 CuCl2 = 2 AlCl3 + 3 Cu
Na2C2O4 + CaCl2 = Ca(C2O4) + NaCl =>
Na2C2O4 + CaCl2 = Ca(C2O4) + 2 NaCl
Mn + H2O = MnO4 + H =>
Mn + 4 H2O = MnO4 + 8 H
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