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3 C4H6(OH)2 + 2 KMnO4 + 4 H2O = 3 C4H6(OH)4 + 2 MnO2 + 2 KOH
Si + Cl2 = SiCl4 =>
Si + 2 Cl2 = SiCl4
Fe(OH)2 + H2SO4 = FeSO4 + H2O =>
Fe(OH)2 + H2SO4 = FeSO4 + 2 H2O
Zn + NaOH + H2O = Na2Zn(OH)4 + H2 =>
Zn + 2 NaOH + 2 H2O = Na2Zn(OH)4 + H2
AgNO3 + Na2SO4 = Ag2SO4 + NaNO3 =>
2 AgNO3 + Na2SO4 = Ag2SO4 + 2 NaNO3
Ba + K4[Fe(CN)6] = Ba4[Fe(CN)6]2 + K =>
4 Ba + 2 K4[Fe(CN)6] = Ba4[Fe(CN)6]2 + 8 K
Ba + O2 = BaO =>
2 Ba + O2 = 2 BaO
Cr(OH)3 = Cr2O3 + H2O =>
2 Cr(OH)3 = Cr2O3 + 3 H2O
S + Cl = SCl2 =>
S + 2 Cl = SCl2
H2O + SO2 = H2SO3 =>
H2O + SO2 = H2SO3
Al2(SO4)3*14H2O + Ca(HCO3)2 = CaSO4 + Al(OH)3 + CO2 + H2O =>
Al2(SO4)3*14H2O + 3 Ca(HCO3)2 = 3 CaSO4 + 2 Al(OH)3 + 6 CO2 + 14 H2O
FeCl3 + K4[Fe(CN)6] = KFe[Fe(CN)6] + KCl =>
FeCl3 + K4[Fe(CN)6] = KFe[Fe(CN)6] + 3 KCl
CaBr + KCO32 = CaCO32 + KBr =>
CaBr + KCO32 = CaCO32 + KBr
Ca(OH)2 + HF = CaF + O2H3 =>
Ca(OH)2 + HF = CaF + O2H3
Mn{2+} + H2O{+} = MnO2 + H{+} =>
Mn{2+} + 2 H2O{+} = MnO2 + 4 H{+}
CuSO4 + H2S = CuS + H2SO4 =>
CuSO4 + H2S = CuS + H2SO4
C5H12O = C4H8 + CH3OH =>
C5H12O = C4H8 + CH3OH
Na2S2O3 + I2 + NaOH = NaI + Na2SO4 + H2O =>
Na2S2O3 + 4 I2 + 10 NaOH = 8 NaI + 2 Na2SO4 + 5 H2O
Al + Cl2 + H2O = AlCl3*6H2O =>
2 Al + 3 Cl2 + 12 H2O = 2 AlCl3*6H2O
Ba{2+} + (SO4){2-} = BaSO4 =>
Ba{2+} + (SO4){2-} = BaSO4
CO2 + NaOH = NaHCO3 =>
CO2 + NaOH = NaHCO3
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
(b)NH4NO3(s) = N2O(g) + H2O(l) =>
(b)NH4NO3(s) = N2O(g) + 2 H2O(l)
Fe2O3 + Cu2(SO4) = Fe2(SO4)3 + Cu2O =>
Fe2O3 + 3 Cu2(SO4) = Fe2(SO4)3 + 3 Cu2O
K2(ClO3)2 = KCl + O2 =>
K2(ClO3)2 = 2 KCl + 3 O2
I2 + KOH = K + KIO3 + H2O =>
I2 + 12 KOH = 10 K + 2 KIO3 + 6 H2O
KBrO3 = KBrO4 + KBr =>
4 KBrO3 = 3 KBrO4 + KBr
H2S(aq) + NiSO4(aq) = HSO4 + Ni2S =>
H2S(aq) + 2 NiSO4(aq) = 2 HSO4 + Ni2S
AlCl3 + NaO = Al2O3 + NaCl2 =>
2 AlCl3 + 3 NaO = Al2O3 + 3 NaCl2
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
PbNO3 + KSO3 = PbSO3 + KNO3 =>
PbNO3 + KSO3 = PbSO3 + KNO3
Ag + CuCl2 = AgCl + Cu =>
2 Ag + CuCl2 = 2 AgCl + Cu
CO2 + H2 = CH3OH + H2O =>
CO2 + 3 H2 = CH3OH + H2O
FeCl3 + Na(CH3COO) + H2O = [Fe3O(CH3COO)6(H2O)3]CH3COO + CH3COOH + NaCl =>
3 FeCl3 + 9 Na(CH3COO) + 4 H2O = [Fe3O(CH3COO)6(H2O)3]CH3COO + 2 CH3COOH + 9 NaCl
Li2SO4 + NaOH = LiOH + Na2SO4 =>
Li2SO4 + 2 NaOH = 2 LiOH + Na2SO4
NaHCO3 + CaCl2 = NaCl + CaCO3 + CO2 + H2O =>
2 NaHCO3 + CaCl2 = 2 NaCl + CaCO3 + CO2 + H2O
Zn(NO3)2(heat) = Zn(NO3)2 =>
Zn(NO3)2(heat) = Zn(NO3)2
Fe2O3 + CO = Fe3O4 + CO2 =>
3 Fe2O3 + CO = 2 Fe3O4 + CO2
Cl2 + NaBr2 = Br2 + NaCl =>
Cl2 + 2 NaBr2 = 2 Br2 + 2 NaCl
CrO4{2-} + S2O4{2-} + H2O + OH{-} = Cr(OH)3 + SO3{2-} =>
2 CrO4{2-} + 3 S2O4{2-} + 2 H2O + 2 OH{-} = 2 Cr(OH)3 + 6 SO3{2-}
N2H4 + H2O2 = N2 + H2O =>
N2H4 + 2 H2O2 = N2 + 4 H2O
*Ca(OH)2 = CaO + H2O =>
*Ca(OH)2 = CaO + H2O
HBr + Na2S = H2S + NaBr =>
2 HBr + Na2S = H2S + 2 NaBr
calciumhydroxide + carbondioxide = calciumcarbonate + water =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
Ba + HCl = BaCl2 + H2 =>
Ba + 2 HCl = BaCl2 + H2
Ag + H2SO4 = Ag2SO4 + H2O + SO2 =>
2 Ag + 2 H2SO4 = Ag2SO4 + 2 H2O + SO2
CO2 + H2 = CH3OH + H2O =>
CO2 + 3 H2 = CH3OH + H2O
NaI + H2O = H2 + NaIO3 =>
NaI + 3 H2O = 3 H2 + NaIO3
NaBr + AgNO3 = AgNa + BrNO3 =>
NaBr + AgNO3 = AgNa + BrNO3
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