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K2Cr2O7 + 3 Na2S + 7 H2O = 3 S + 2 Na3[Cr(OH)6] + 2 KOH
Mg + Sn(No3)2 = MgNo3 + Sn =>
2 Mg + Sn(No3)2 = 2 MgNo3 + Sn
NH4Cl + CH3COONa = NH3 + CH3COOH + NaCl =>
NH4Cl + CH3COONa = NH3 + CH3COOH + NaCl
AgNO3 + Cl2Cu = AgCl + CuN2O6 =>
2 AgNO3 + Cl2Cu = 2 AgCl + CuN2O6
H2SO4 + V = V2(SO4)3 + H2 =>
3 H2SO4 + 2 V = V2(SO4)3 + 3 H2
FeS + NH4Cl = FeCl2 + (NH4)2S =>
FeS + 2 NH4Cl = FeCl2 + (NH4)2S
C3H8 + KMnO4 = C3H6O2 + MnO2 + KOH =>
C3H8 + 2 KMnO4 = C3H6O2 + 2 MnO2 + 2 KOH
H2C2O4 + K2Cr2O7 + H2SO4 = KHSO4 + Cr2(SO4)3 + CO2 + H2O =>
3 H2C2O4 + K2Cr2O7 + 5 H2SO4 = 2 KHSO4 + Cr2(SO4)3 + 6 CO2 + 7 H2O
NaCl + MgO2 + H2SO4 = NaHSO4 + MgSO4 + H2O + Cl =>
2 NaCl + MgO2 + 3 H2SO4 = 2 NaHSO4 + MgSO4 + 2 H2O + 2 Cl
CoCl2 + NH4SCN = (NH4)2Co(SCN)4 + NH4Cl =>
CoCl2 + 4 NH4SCN = (NH4)2Co(SCN)4 + 2 NH4Cl
CuSO4(aq) + NaOH(aq) = Cu(OH)2(s) + Na2SO4(aq) =>
CuSO4(aq) + 2 NaOH(aq) = Cu(OH)2(s) + Na2SO4(aq)
Fe + NaOH = Fe(OH)3 + Na =>
Fe + 3 NaOH = Fe(OH)3 + 3 Na
H2PdCl4 + NaOH = Pd(OH)2 + H2O + NaCl =>
H2PdCl4 + 4 NaOH = Pd(OH)2 + 2 H2O + 4 NaCl
Ba + H2TeO4 = BaTeO4 + H2 =>
Ba + H2TeO4 = BaTeO4 + H2
Na(s) + H2O = NaOH(ac) + H2(g) =>
2 Na(s) + 2 H2O = 2 NaOH(ac) + H2(g)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CH4 + H2O = CO2 + H2 =>
CH4 + 2 H2O = CO2 + 4 H2
Fe + HO = Fe3O4 + H =>
3 Fe + 4 HO = Fe3O4 + 4 H
KNO3(aq) + Na2SO4(aq) = K2SO4(aq) + NaNO3(aq) =>
2 KNO3(aq) + Na2SO4(aq) = K2SO4(aq) + 2 NaNO3(aq)
CH3OH + Cl2 = CH3OCl + HCl =>
CH3OH + Cl2 = CH3OCl + HCl
C2S + O2 = C2O + SO2 =>
2 C2S + 3 O2 = 2 C2O + 2 SO2
AgNO3 + Fe(OH)3 = Fe(NO3)3 + Ag(OH) =>
3 AgNO3 + Fe(OH)3 = Fe(NO3)3 + 3 Ag(OH)
Fr + H2O = FrOH + H2 =>
2 Fr + 2 H2O = 2 FrOH + H2
Zn(NO3)2 + NH4SCN = Zn(SCN)2 + NH4NO3 =>
Zn(NO3)2 + 2 NH4SCN = Zn(SCN)2 + 2 NH4NO3
Ca(OH)2(aq) + NH4Cl(aq) = NH4OH(aq) + CaCl2 =>
Ca(OH)2(aq) + 2 NH4Cl(aq) = 2 NH4OH(aq) + CaCl2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
CUS + HNO3 = CUSO4 + NO2 + H2O =>
CUS + 8 HNO3 = CUSO4 + 8 NO2 + 4 H2O
Al(OH)3 + HClO4 = Al(ClO4)3 + H2O =>
Al(OH)3 + 3 HClO4 = Al(ClO4)3 + 3 H2O
SO3 + H = S + H2O =>
SO3 + 6 H = S + 3 H2O
HCHO2 + OH = CO2 + H2O =>
HCHO2 + 2 OH = CO2 + 2 H2O
LiOH(aq) + HCN(aq) = LiCN + H2O =>
LiOH(aq) + HCN(aq) = LiCN + H2O
NH3(g) + HCl(g) = NH4Cl(s) =>
NH3(g) + HCl(g) = NH4Cl(s)
K + P = KP =>
K + P = KP
BaSO4 + H2O = BaO + H2SO4 =>
BaSO4 + H2O = BaO + H2SO4
CH3COOH(aq) + Sr(OH)2(aq) = H2O(l) + Sr(CH3COO)2(aq) =>
2 CH3COOH(aq) + Sr(OH)2(aq) = 2 H2O(l) + Sr(CH3COO)2(aq)
Al4C3 + H2SO4 = Al2(SO4)3 + CH4 =>
Al4C3 + 6 H2SO4 = 2 Al2(SO4)3 + 3 CH4
Ni + O2 = NiO =>
2 Ni + O2 = 2 NiO
Al(s) + Fe2O3(aq) = Al2O3(aq) + Fe(s) =>
2 Al(s) + Fe2O3(aq) = Al2O3(aq) + 2 Fe(s)
(NH4)2SO4 = NH3 + NH4HSO4 =>
(NH4)2SO4 = NH3 + NH4HSO4
Bi + F2 = BiF3 =>
2 Bi + 3 F2 = 2 BiF3
CH3OH + H2O = CH3O + H3O =>
CH3OH + H2O = CH3O + H3O
Zn + HCI = ZnCI + H2 =>
2 Zn + 2 HCI = 2 ZnCI + H2
CaCO3 + HNO3 = Ca(NO3)2 + CO3 + H2 =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO3 + H2
HCl + PbO2 = Pb2 + Cl2 + H2O =>
8 HCl + 2 PbO2 = Pb2 + 4 Cl2 + 4 H2O
NaHSO3 + HBr = NaBr + H2SO3 =>
NaHSO3 + HBr = NaBr + H2SO3
CO2 + H2 = CO + H2O =>
CO2 + H2 = CO + H2O
Mg + HCI = Mg85HCI =>
85 Mg + HCI = Mg85HCI
HBr + Fe(OH)3 = FeBr3 + H2O =>
3 HBr + Fe(OH)3 = FeBr3 + 3 H2O
C7H6O3 + H2SO4 = C7H6O6S + H2O =>
C7H6O3 + H2SO4 = C7H6O6S + H2O
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
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