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2 HCOOH(aq) + ZnCO3(s) = Zn(HCOO)2(aq) + CO2(g) + H2O(l)
MnO2 + CaCl2 + H3(PO4) = Cl2 + Mn3(PO4)2 + Ca3(PO4)2 + H2O =>
3 MnO2 + 3 CaCl2 + 4 H3(PO4) = 3 Cl2 + Mn3(PO4)2 + Ca3(PO4)2 + 6 H2O
Cr + HIO3 = Cr2(IO3)3 + H2 =>
4 Cr + 6 HIO3 = 2 Cr2(IO3)3 + 3 H2
Pb + NHO3 = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 NHO3 = Pb(NO3)2 + 2 NO2 + 2 H2O
SO2(g) + H2O(g) = H2S(g) + O2(g) =>
2 SO2(g) + 2 H2O(g) = 2 H2S(g) + 3 O2(g)
K1Cr2O7 + HBr = Br2 + CrBr3 + KBr + H2O =>
2 K1Cr2O7 + 28 HBr = 7 Br2 + 4 CrBr3 + 2 KBr + 14 H2O
Mn + IrCl6{3-} = Mn{2+} + Ir + Cl{-} =>
3 Mn + 2 IrCl6{3-} = 3 Mn{2+} + 2 Ir + 12 Cl{-}
NaHCO3HCl = NaClH2CO3 =>
NaHCO3HCl = NaClH2CO3
C6H8N2*2HClO4 + NaClO4 = CO2 + H2O + NaCl + Cl2 + N2 =>
4 C6H8N2*2HClO4 + 9 NaClO4 = 24 CO2 + 20 H2O + 9 NaCl + 4 Cl2 + 4 N2
[B(OH)4]{-} + H2O2 = B2O4(OH)4{2-} + H2O =>
2[B(OH)4]{-} + 2 H2O2 = B2O4(OH)4{2-} + 4 H2O
CH3COOC2H5 + Na + C2H5O4 = CH3COONa + C2H6 =>
5 CH3COOC2H5 + 7 Na + C2H5O4 = 7 CH3COONa + 4 C2H6
Pb + HXeO4{-} + H2O = HPbO2{-} + Xe + H{+} =>
3 Pb + HXeO4{-} + 2 H2O = 3 HPbO2{-} + Xe + 2 H{+}
Ag(s) + FeSCN(ag) = Fe3(ag) + AgSCN(s) =>
3 Ag(s) + 3 FeSCN(ag) = Fe3(ag) + 3 AgSCN(s)
K2CO3 + HNO2 = K2CO3(NO2)2 + H2 =>
K2CO3 + 2 HNO2 = K2CO3(NO2)2 + H2
Na2HPO4 + AgNO3 + NaOH = Ag3PO4 + NaNO3 + H2O =>
Na2HPO4 + 3 AgNO3 + NaOH = Ag3PO4 + 3 NaNO3 + H2O
H3BO3 + KNH3 = (NH4)BO3 + KH2 =>
H3BO3 + KNH3 = (NH4)BO3 + KH2
Al2 + Fe3(NO3) = Al(NO3)3 + Fe =>
Al2 + 6 Fe3(NO3) = 2 Al(NO3)3 + 18 Fe
HC2H3O2NaHCO3 = NaC2H3O2H2CO3 =>
HC2H3O2NaHCO3 = NaC2H3O2H2CO3
MnC6H5O7(aq) + (NH4)2Se(aq) = Mn2Se3(s) + (NH4)3C6H5O7(aq) =>
2 MnC6H5O7(aq) + 3(NH4)2Se(aq) = Mn2Se3(s) + 2(NH4)3C6H5O7(aq)
NaHCO3 + Ca(NO3)2 = NaNO3 + CO2 + Ca(CO3) + H2O =>
2 NaHCO3 + Ca(NO3)2 = 2 NaNO3 + CO2 + Ca(CO3) + H2O
Ca(NO2)2 + HCl = CaCl2 + HNO2 =>
Ca(NO2)2 + 2 HCl = CaCl2 + 2 HNO2
NaNO3 + AgCl = AgNO3 + NaCl =>
NaNO3 + AgCl = AgNO3 + NaCl
CuOH(aq) + H2SO4(aq) = CuSO4(s) + H2OH(l) =>
CuOH(aq) + H2SO4(aq) = CuSO4(s) + H2OH(l)
C3N3O3Cl3 + HCl = Cl2 + C3H3N3O3 =>
C3N3O3Cl3 + 3 HCl = 3 Cl2 + C3H3N3O3
Lr + F2 = LrF =>
2 Lr + F2 = 2 LrF
Mn + HOH = Mn(OH)7 + H3 =>
3 Mn + 21 HOH = 3 Mn(OH)7 + 7 H3
Dy(s) + I2(g) = DyI3(s) =>
2 Dy(s) + 3 I2(g) = 2 DyI3(s)
Mg + H3O = Mg(OH) + H =>
Mg + H3O = Mg(OH) + 2 H
Sr(OH)2 + CrCl2 = SrCl2 + Cr(OH)2 =>
Sr(OH)2 + CrCl2 = SrCl2 + Cr(OH)2
HCl3 + H2O = H2O3 + HCl =>
2 HCl3 + 3 H2O = H2O3 + 6 HCl
Cr(s) + NiSO4(aq) = Cr(SO4)2(aq) + Ni(s) =>
Cr(s) + 2 NiSO4(aq) = Cr(SO4)2(aq) + 2 Ni(s)
Ba + S = Ba2S4 =>
2 Ba + 4 S = Ba2S4
SnCl + K2Cr2O7 + HCl = CrCl3 + SnCl4 + H2O + KCl =>
2 SnCl + K2Cr2O7 + 14 HCl = 2 CrCl3 + 2 SnCl4 + 7 H2O + 2 KCl
FeCr2O7 + K2CO3 + O2 = Fe2O3 + K2CrO4 + CO4 =>
4 FeCr2O7 + 8 K2CO3 + 9 O2 = 2 Fe2O3 + 8 K2CrO4 + 8 CO4
LiCl + H2O = LiH + Cl2O =>
2 LiCl + H2O = 2 LiH + Cl2O
H2SO4 + BaS = H2S + BaSO4 =>
H2SO4 + BaS = H2S + BaSO4
K1 + O2 = K2O =>
4 K1 + O2 = 2 K2O
Fe(s) + CuSo4(aq) = Fe(So4)(aq) + Cu(s) =>
Fe(s) + CuSo4(aq) = Fe(So4)(aq) + Cu(s)
KHC8H4O4(aq) + NaOH(aq) = H2O(l) + Na(aq) + KC8H4O4(aq) =>
KHC8H4O4(aq) + NaOH(aq) = H2O(l) + Na(aq) + KC8H4O4(aq)
Na2S2O3(aq) + HCl(aq) = S(s) + SO2(g) + NaCl(aq) + H20(l) =>
10 Na2S2O3(aq) + 20 HCl(aq) = 5 S(s) + 15 SO2(g) + 20 NaCl(aq) + H20(l)
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
HClAl = AlClH(g) =>
HClAl = AlClH(g)
Co(NO3)3 + NaOH = Co(OH)3 + NaNO3 =>
Co(NO3)3 + 3 NaOH = Co(OH)3 + 3 NaNO3
CH2(COONH4)2 + H2O = CH2(COOH)2 + NH4OH =>
CH2(COONH4)2 + 2 H2O = CH2(COOH)2 + 2 NH4OH
SO4{2-} + H{+} + CH2O = HS{-} + CO2 + H2O =>
SO4{2-} + H{+} + 2 CH2O = HS{-} + 2 CO2 + 2 H2O
K + HClO2 = KClO3 + Cl2 + H2O =>
2 K + 4 HClO2 = 2 KClO3 + Cl2 + 2 H2O
SiCl4 + NaOH = SiOH + NaCl4 =>
SiCl4 + NaOH = SiOH + NaCl4
Ni{+} + Zn(s) = Ni + Zn{+} =>
Ni{+} + Zn(s) = Ni + Zn{+}
Mg + AgN03 = Mg(N03)2 + Ag =>
Mg + 2 AgN03 = Mg(N03)2 + 2 Ag
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
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