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CrO3 + 2 Al = Cr + Al2O3
Na2SiO3 + HNO3 = H2SiO3 + NaNO3 =>
Na2SiO3 + 2 HNO3 = H2SiO3 + 2 NaNO3
Sn{+4} + I{-} = Sn{+2} + I3{-} =>
Sn{+4} + 3 I{-} = Sn{+2} + I3{-}
Cu(s) + HNO3(aq) = Cu(NO3)2(s) + NO2(g) + H2O(g) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(s) + 2 NO2(g) + 2 H2O(g)
Si3P4 + HNO3 = SiO2 + H3PO4 + NO2 + H2O =>
Si3P4 + 32 HNO3 = 3 SiO2 + 4 H3PO4 + 32 NO2 + 10 H2O
Ca(HCO3)2 = CO2 + CaCO3 + H2O =>
Ca(HCO3)2 = CO2 + CaCO3 + H2O
AsH3 + KMnO4 + H2SO4 = H3AsO4 + MnSO4 + K2SO4 + H2O =>
5 AsH3 + 8 KMnO4 + 12 H2SO4 = 5 H3AsO4 + 8 MnSO4 + 4 K2SO4 + 12 H2O
X2 + Y2 = XY3 =>
X2 + 3 Y2 = 2 XY3
NH3(aq) + CuSO4(aq) = NSO4(s) + CuH3(s) =>
NH3(aq) + CuSO4(aq) = NSO4(s) + CuH3(s)
SnCl4 + Pb(NO3)2 = Sn(NO3)2 + PbCl4 =>
SnCl4 + Pb(NO3)2 = Sn(NO3)2 + PbCl4
Se(OH)2 + HI = SeI2 + H2O =>
Se(OH)2 + 2 HI = SeI2 + 2 H2O
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
Ni(OH)2 + NH3 = [Ni(NH3)6]{2+} + OH{-} =>
Ni(OH)2 + 6 NH3 = [Ni(NH3)6]{2+} + 2 OH{-}
CH3COONa + HF = CH3COOH + NaF =>
CH3COONa + HF = CH3COOH + NaF
Br2 + NH4I = BrI + NH4 =>
Br2 + 2 NH4I = 2 BrI + 2 NH4
Pb(CH3COO)2(aq) + NaOH(aq) = Pb(OH)2(s) + NaCH3COO(aq) =>
Pb(CH3COO)2(aq) + 2 NaOH(aq) = Pb(OH)2(s) + 2 NaCH3COO(aq)
Hydrochloricacid + Ca(OH)2 = H2O + CaCl2 =>
2 HCl + Ca(OH)2 = 2 H2O + CaCl2
H3BO3 + K(OH) = K3(BO3) + H2O =>
H3BO3 + 3 K(OH) = K3(BO3) + 3 H2O
Fe3C + O2 = Fe2O3 + C =>
4 Fe3C + 9 O2 = 6 Fe2O3 + 4 C
KICl4 + KOH = KIO3 + KCl + KI + H2O =>
3 KICl4 + 12 KOH = 2 KIO3 + 12 KCl + KI + 6 H2O
Na2SO3 + NaPO3 = Na4P2O7 + SO2 =>
Na2SO3 + 2 NaPO3 = Na4P2O7 + SO2
Na + ZnCO3 = Na2CO3 + Zn =>
2 Na + ZnCO3 = Na2CO3 + Zn
K2Cr2O7 + H2O2 + H2SO4 = CrO5 + KHSO4 + H2O =>
K2Cr2O7 + 4 H2O2 + 2 H2SO4 = 2 CrO5 + 2 KHSO4 + 5 H2O
Pb(NO3)2(ac) + KI(ac) = PbI2(ac) + KNO3(ac) =>
Pb(NO3)2(ac) + 2 KI(ac) = PbI2(ac) + 2 KNO3(ac)
H2 + WO3 = H2O + W =>
3 H2 + WO3 = 3 H2O + W
NaOH + CO2(g) = Na2CO3(aq) + H2O(l) =>
2 NaOH + CO2(g) = Na2CO3(aq) + H2O(l)
NaHSO4 + Na2S = Na2SO4 + H2S =>
2 NaHSO4 + Na2S = 2 Na2SO4 + H2S
Zn(SO4) + HCl = ZnCl2 + H2(SO4) =>
Zn(SO4) + 2 HCl = ZnCl2 + H2(SO4)
CaO2 + P2O3 = Ca3(PO4)2 + O2 =>
6 CaO2 + 2 P2O3 = 2 Ca3(PO4)2 + O2
C5H10O2 + C2H5OH = C7H14O2 + H2O =>
C5H10O2 + C2H5OH = C7H14O2 + H2O
MgCl2 + Hg2SO4 = MgSO4 + HgCl =>
MgCl2 + Hg2SO4 = MgSO4 + 2 HgCl
CH3COOH + Al = Al2(CH3COO)3 + H2 =>
6 CH3COOH + 4 Al = 2 Al2(CH3COO)3 + 3 H2
H4C2O + Ag2O = H3C2OOH + Ag =>
H4C2O + Ag2O = H3C2OOH + 2 Ag
Mg + Si + O2 = Mg2(SiO3)2 =>
2 Mg + 2 Si + 3 O2 = Mg2(SiO3)2
NH4OH + H2O2 = HNO3 + H2O =>
NH4OH + 4 H2O2 = HNO3 + 6 H2O
CaSiO3 + HCl = CaCl2 + H2SiO3 =>
CaSiO3 + 2 HCl = CaCl2 + H2SiO3
PbClF = Pb + ClF =>
PbClF = Pb + ClF
Al2Se3 + H2O = Al(OH)3 + H2Se =>
Al2Se3 + 6 H2O = 2 Al(OH)3 + 3 H2Se
Na2CO3 + C6H5COOH = H2O + CO2 + C6H5COONa =>
Na2CO3 + 2 C6H5COOH = H2O + CO2 + 2 C6H5COONa
ZnSO3 + H2SO4 = ZnSO4 + H2SO3 =>
ZnSO3 + H2SO4 = ZnSO4 + H2SO3
Zn + MCl = M2 + ZnCl2 =>
Zn + 2 MCl = M2 + ZnCl2
LiOH(aq) + HBr(s) = LiBr + H2O =>
LiOH(aq) + HBr(s) = LiBr + H2O
Sr + Cs3PO4 = Cs + Sr3(PO4)2 =>
3 Sr + 2 Cs3PO4 = 6 Cs + Sr3(PO4)2
MnCl2 + H2O = Mn(OH)2 + HCl =>
MnCl2 + 2 H2O = Mn(OH)2 + 2 HCl
HCOOH + Na2CO3 = CHOONa + CO2 + H2O =>
2 HCOOH + Na2CO3 = 2 CHOONa + CO2 + H2O
CuCO3 + H2O = Cu3(CO3)2(OH)2 + CO2 =>
3 CuCO3 + H2O = Cu3(CO3)2(OH)2 + CO2
H2O2 + NaI = Na2O2 + HI =>
H2O2 + 2 NaI = Na2O2 + 2 HI
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
NH2OH + HI = NH3 + I2 + H2O =>
NH2OH + 2 HI = NH3 + I2 + H2O
NH3 + NO2 + H2O = NH4NO3 =>
6 NH3 + 8 NO2 + 5 H2O = 7 NH4NO3
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