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2 PBr3 + 3 H2SO4 = 2 H3PO3 + 3 SO2 + 3 Br2
Au2O = Au + O2 =>
2 Au2O = 4 Au + O2
Ni + CuCl2 = Cu + NiCl3 =>
2 Ni + 3 CuCl2 = 3 Cu + 2 NiCl3
C4H9I + H2O = C4H10O + HI =>
C4H9I + H2O = C4H10O + HI
BCl3 + P + H2 = BP + HCl =>
2 BCl3 + 2 P + 3 H2 = 2 BP + 6 HCl
K2Cr2O7 + NH4HSO3 + H2SO4 = Cr2(SO4)3 + (NH4)2SO4 + H2O + K2SO4 =>
2 K2Cr2O7 + 6 NH4HSO3 + 5 H2SO4 = 2 Cr2(SO4)3 + 3(NH4)2SO4 + 8 H2O + 2 K2SO4
HReO4 + H2S = Re2S7 + H2O =>
2 HReO4 + 7 H2S = Re2S7 + 8 H2O
Al + CuCl + H2O = AlCl3 + CuO + H2 =>
Al + 3 CuCl + 3 H2O = AlCl3 + 3 CuO + 3 H2
NaNO2 + KI + CH3COOH = I2 + NO + CH3COONa + CH3COOK + H2O =>
2 NaNO2 + 2 KI + 4 CH3COOH = I2 + 2 NO + 2 CH3COONa + 2 CH3COOK + 2 H2O
Al(OH)3NH4OH = NH4[Al(OH)4] =>
Al(OH)3NH4OH = NH4[Al(OH)4]
Al + MgO = Mg + Al2O3 =>
2 Al + 3 MgO = 3 Mg + Al2O3
CO2 + H2O + HF = C2H3O2F + O2 =>
4 CO2 + 2 H2O + 2 HF = 2 C2H3O2F + 3 O2
LiTiO2 + Si + H2O = Li2SiO3 + TiO2 + H2 =>
2 LiTiO2 + Si + 3 H2O = Li2SiO3 + 2 TiO2 + 3 H2
K2Cr2O7 + H2S + H2O = Cr(OH)3 + S + KOH =>
K2Cr2O7 + 3 H2S + H2O = 2 Cr(OH)3 + 3 S + 2 KOH
MgO + BaSO4 = MgSO4 + BaO =>
MgO + BaSO4 = MgSO4 + BaO
HNO3 + NaCl = H2O + HClO4 + NO2 + NaNO3 =>
9 HNO3 + NaCl = 4 H2O + HClO4 + 8 NO2 + NaNO3
NaCl + K2C2O4 = KCl + Na2C2O4 =>
2 NaCl + K2C2O4 = 2 KCl + Na2C2O4
Cr(OH)3 + HBr = H2O + CrBr3 =>
Cr(OH)3 + 3 HBr = 3 H2O + CrBr3
Al(OH)3NH4OH = NH4Al(OH)4 =>
Al(OH)3NH4OH = NH4Al(OH)4
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Me4N + Br5 = Me4NBr5 =>
Me4N + Br5 = Me4NBr5
NaHS + K2SO4 = K2S + NaOH + S =>
4 NaHS + K2SO4 = K2S + 4 NaOH + 4 S
Na2[Zn(OH)4] = Na2ZnO2 + H2O =>
Na2[Zn(OH)4] = Na2ZnO2 + 2 H2O
CuO + HCl(l) = CuCl2 + H2O =>
CuO + 2 HCl(l) = CuCl2 + H2O
Cu + KNO3 + HCl = Cu(NO3)2 + NO + KCl + H2O =>
3 Cu + 8 KNO3 + 8 HCl = 3 Cu(NO3)2 + 2 NO + 8 KCl + 4 H2O
Na2SO4 + Zn + HCl = ZnSO4 + NaCl + Na2S + H2O =>
5 Na2SO4 + 4 Zn + 8 HCl = 4 ZnSO4 + 8 NaCl + Na2S + 4 H2O
Mg2Cl2 = Mg + Cl =>
Mg2Cl2 = 2 Mg + 2 Cl
Al(OH)3NH4OH = NH4(Al(OH)4) =>
Al(OH)3NH4OH = NH4(Al(OH)4)
LiOH + KBr = LiBr + KOH =>
LiOH + KBr = LiBr + KOH
Cu + KNO3 + HCl = Cu(NO3)2 + NO + KCl + H2O =>
3 Cu + 8 KNO3 + 8 HCl = 3 Cu(NO3)2 + 2 NO + 8 KCl + 4 H2O
Na2[Zn(OH)4] = NaOH + Zn(OH)2 =>
Na2[Zn(OH)4] = 2 NaOH + Zn(OH)2
KBrO3 + H2SO4 + Na2SO3 = Br2 + K2SO4 + Na2SO4 + H2O =>
2 KBrO3 + H2SO4 + 5 Na2SO3 = Br2 + K2SO4 + 5 Na2SO4 + H2O
Mn{+} + S{-} = MnS =>
Mn{+} + S{-} = MnS
Al(OH)3HCl = Al(OH)2ClH2O =>
Al(OH)3HCl = Al(OH)2ClH2O
MnCO3 + HNO3 = Mn(NO3)2 + H2CO3 =>
MnCO3 + 2 HNO3 = Mn(NO3)2 + H2CO3
Na2FeO4 + H2O = Fe(OH)3 + NaOH + O2 =>
4 Na2FeO4 + 10 H2O = 4 Fe(OH)3 + 8 NaOH + 3 O2
NaH2PO4 + Pb(NO3)2 = Pb(H2PO4)2 + NaNO3 =>
2 NaH2PO4 + Pb(NO3)2 = Pb(H2PO4)2 + 2 NaNO3
SO3 + HCl = SO2 + H2O + Cl =>
SO3 + 2 HCl = SO2 + H2O + 2 Cl
KHC2O4*H2C2O4*2H2O + KMnO4 + H2SO4 = MnSO4 + K2SO4 + CO2 + H2O =>
10 KHC2O4*H2C2O4*2H2O + 8 KMnO4 + 17 H2SO4 = 8 MnSO4 + 9 K2SO4 + 40 CO2 + 52 H2O
H2O + C12H22O11 + C6H8O7 = C19H32O21 =>
13 H2O + 9 C12H22O11 + 20 C6H8O7 = 12 C19H32O21
H2SO4 + HOH = H2SO3 + OH =>
H2SO4 + HOH = H2SO3 + 2 OH
NiCO3 + Fe(NO3)3 = Ni(NO3)2 + Fe2(CO3)3 =>
3 NiCO3 + 2 Fe(NO3)3 = 3 Ni(NO3)2 + Fe2(CO3)3
(NH4)2Cr2O7(s) + NaOH(aq) = H2O(l) + NH3 + Na2Cr2O7 =>
(NH4)2Cr2O7(s) + 2 NaOH(aq) = 2 H2O(l) + 2 NH3 + Na2Cr2O7
AlCl3 + H2(SO4) = Al2(SO4)3 + HCl =>
2 AlCl3 + 3 H2(SO4) = Al2(SO4)3 + 6 HCl
KOH + NH4NO3 = KNO3 + H2O + NH4 =>
10 KOH + 9 NH4NO3 = 10 KNO3 + 7 H2O + 8 NH4
SO3 + HCl = H2SO3 + Cl =>
SO3 + 2 HCl = H2SO3 + 2 Cl
HPO2 + K2O = KPO2 + H2O =>
2 HPO2 + K2O = 2 KPO2 + H2O
NH3(OH)Cl + KMnO4 + H2SO4 = MnSO4 + K2SO4 + N2 + H2O + HCl =>
10 NH3(OH)Cl + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 5 N2 + 18 H2O + 10 HCl
Al(H2PO4)3 + Al(OH)3 = Al2(HPO4)3 + H2O =>
Al(H2PO4)3 + Al(OH)3 = Al2(HPO4)3 + 3 H2O
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
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