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4 H2SiCl2 + 4 H2O = H8Si4O4 + 8 HCl
(NH4)2Se + HBr = NH4Br + H2Se =>
(NH4)2Se + 2 HBr = 2 NH4Br + H2Se
Na + Zn = Na2Zn =>
2 Na + Zn = Na2Zn
CuCl2*2H2O + NH4Cl = (NH4Cl)2*CuCl2*2H2O =>
CuCl2*2H2O + 2 NH4Cl = (NH4Cl)2*CuCl2*2H2O
FeCl2 + Na2S = FeS + NaCl =>
FeCl2 + Na2S = FeS + 2 NaCl
KC2H3O2 + H2O = C2H4O2 + KOH =>
KC2H3O2 + H2O = C2H4O2 + KOH
Zn + Na = ZnNa2 =>
Zn + 2 Na = ZnNa2
Na2SO3 + S8 = Na2S2O3 =>
8 Na2SO3 + S8 = 8 Na2S2O3
FeS = Fe + S =>
FeS = Fe + S
KC2H3O2 + H2O = KC2H3O2*H2O =>
KC2H3O2 + H2O = KC2H3O2*H2O
Al + B2 = AlB3 =>
2 Al + 3 B2 = 2 AlB3
C6H5CO2CH3 + HNO3 = C8H7NO4 + H2O =>
C6H5CO2CH3 + HNO3 = C8H7NO4 + H2O
C2H5NC + H2O = C2H5NH2 + HCO2H =>
C2H5NC + 2 H2O = C2H5NH2 + HCO2H
K2Cr2O7 + C2H4(OH)2 + H2SO4 = Cr2(SO4)3 + (COOH)2 + K2SO4 + H2O =>
4 K2Cr2O7 + 3 C2H4(OH)2 + 16 H2SO4 = 4 Cr2(SO4)3 + 3(COOH)2 + 4 K2SO4 + 22 H2O
FeCl3 + H2S = FeCl2 + HCl + S =>
2 FeCl3 + H2S = 2 FeCl2 + 2 HCl + S
C2H4(OH)2 + K2Cr2O7 + H2SO4 = C6H4O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H4(OH)2 + K2Cr2O7 + 4 H2SO4 = C6H4O2 + Cr2(SO4)3 + K2SO4 + 11 H2O
Na2O + P2O5 = Na3PO4 =>
3 Na2O + P2O5 = 2 Na3PO4
K2Cr2O7 + C2H4(OH)2 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2C2O4 + H2O =>
4 K2Cr2O7 + 3 C2H4(OH)2 + 16 H2SO4 = 4 Cr2(SO4)3 + 4 K2SO4 + 3 H2C2O4 + 22 H2O
Hg = Hg2 =>
2 Hg = Hg2
Pb(NO3)2 + Br2 = PbBr2 + NO3 =>
Pb(NO3)2 + Br2 = PbBr2 + 2 NO3
NaHCO3 = CO2 + H2O + Na2CO3 =>
2 NaHCO3 = CO2 + H2O + Na2CO3
Fe + Ca(OH)2 = Fe(OH)3 + Ca =>
2 Fe + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 Ca
K2CrO4 + KI + H2O = I2 + K[Cr(OH)4] + KOH =>
2 K2CrO4 + 6 KI + 8 H2O = 3 I2 + 2 K[Cr(OH)4] + 8 KOH
Ba{2+} + CO3{2-} = BaCO3 =>
Ba{2+} + CO3{2-} = BaCO3
V2(CO3)3 + HCl = VCl3 + H2CO3 =>
V2(CO3)3 + 6 HCl = 2 VCl3 + 3 H2CO3
CuNaOH = CuOHNa =>
CuNaOH = CuOHNa
Zn + HCl = ZnCl + H2 =>
2 Zn + 2 HCl = 2 ZnCl + H2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Bi{3} + Fe{3} + H2O = BiO3{-} + Fe{2} + H{+} =>
Bi{3} + 2 Fe{3} + 3 H2O = BiO3{-} + 2 Fe{2} + 6 H{+}
Al + B2 = AlB3 =>
2 Al + 3 B2 = 2 AlB3
CO + H2O = CO2 + H2 =>
CO + H2O = CO2 + H2
Sr(NO3)2(aq) + (NH4)2SO4(aq) = SrSO4(s) + NH4NO3(aq) =>
Sr(NO3)2(aq) + (NH4)2SO4(aq) = SrSO4(s) + 2 NH4NO3(aq)
KMnO4 + H2C2O2 + H2SO4 = MnSO4 + CO2 + H2O + K2SO4 =>
6 KMnO4 + 5 H2C2O2 + 9 H2SO4 = 6 MnSO4 + 10 CO2 + 14 H2O + 3 K2SO4
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Na2TiO3 + Zn + HCl = TiCl3 + ZnCl2 + NaCl + H2O =>
2 Na2TiO3 + Zn + 12 HCl = 2 TiCl3 + ZnCl2 + 4 NaCl + 6 H2O
CH2ClCH2Cl + Na = C2H4 + NaCl =>
CH2ClCH2Cl + 2 Na = C2H4 + 2 NaCl
FeCl3 + H2S = FeCl2 + HCl + S8 =>
16 FeCl3 + 8 H2S = 16 FeCl2 + 16 HCl + S8
C2H6O2 + C2H4O = C4H10O3 =>
C2H6O2 + C2H4O = C4H10O3
K2SIF6 + K = KF + SI =>
K2SIF6 + 4 K = 6 KF + SI
NaOMgCl = NaClMgO =>
NaOMgCl = NaClMgO
NH4NO3 = N2 + O2 + H2O = HNO3(aq) =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Al(s) + CuSO4(ac) = Al2SO4(s) + Cu(s) =>
2 Al(s) + CuSO4(ac) = Al2SO4(s) + Cu(s)
Sr + CdNO3 = Sr(NO3)2 + Cd =>
Sr + 2 CdNO3 = Sr(NO3)2 + 2 Cd
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
Mg + Br2 = Mg(Br2)2 =>
Mg + 2 Br2 = Mg(Br2)2
Al2(CrO4)3 + Fe(NO3)3 = Fe2(CrO4)3 + Al(NO3)3 =>
Al2(CrO4)3 + 2 Fe(NO3)3 = Fe2(CrO4)3 + 2 Al(NO3)3
HNO3 + CO2 = N2O5 + H2CO3 =>
2 HNO3 + CO2 = N2O5 + H2CO3
As2O3 + HNO3 + H2O = HAsO3 + NO =>
3 As2O3 + 4 HNO3 + H2O = 6 HAsO3 + 4 NO
C2H2OHO2 = C2H2O2(OH) =>
C2H2OHO2 = C2H2O2(OH)
NaHCOO + H2O = OH + NaHCOOH =>
NaHCOO + H2O = OH + NaHCOOH
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