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2 NaBH4 + PtCl2 = 2 NaCl + Pt + 2 H4B
Mg + Be(NO3)2 = MgNO3 + Be =>
2 Mg + Be(NO3)2 = 2 MgNO3 + Be
Ca(s) + MgCl2(aq) = CaCl2(aq) + Mg(s) =>
Ca(s) + MgCl2(aq) = CaCl2(aq) + Mg(s)
CH3NH2 + HNO = CH3OH + N2 + H2O =>
CH3NH2 + 3 HNO = CH3OH + 2 N2 + 2 H2O
LiI(aq) + SrS(aq) = Li2S(aq) + SrI2(aq) =>
2 LiI(aq) + SrS(aq) = Li2S(aq) + SrI2(aq)
CH3OH + Mg = (CH3COO)2Mg + H2 =>
4 CH3OH + Mg = (CH3COO)2Mg + 5 H2
Co(NO3)2*6H2O + H2C2O4 = CoC2O4*2H2O + HNO3 + H2O =>
Co(NO3)2*6H2O + H2C2O4 = CoC2O4*2H2O + 2 HNO3 + 4 H2O
SO2 + Na2O = Na2SO3 =>
SO2 + Na2O = Na2SO3
Zn + HNO3 = ZnO3 + HN =>
Zn + HNO3 = ZnO3 + HN
CH4O + O2 = CO2 + H2O =>
2 CH4O + 3 O2 = 2 CO2 + 4 H2O
Se + OH = Se(OH)6 =>
Se + 6 OH = Se(OH)6
CrO3 + LiOH = LiCrO4 + H2 =>
2 CrO3 + 2 LiOH = 2 LiCrO4 + H2
HClO3 + KNO2 = KNO3 + HCl =>
HClO3 + 3 KNO2 = 3 KNO3 + HCl
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
CaCl2 + NaHCO3 = Ca(HCO3)2 + NaCl =>
CaCl2 + 2 NaHCO3 = Ca(HCO3)2 + 2 NaCl
Pb(SO4)2 + K2S = PbS + K2(SO4)2 =>
Pb(SO4)2 + K2S = PbS + K2(SO4)2
Al2O3 + SO2 = Al + SO3 =>
Al2O3 + 3 SO2 = 2 Al + 3 SO3
I + O = I2O7 =>
2 I + 7 O = I2O7
KMnO4 + Fe(NH4)2(SO4)2*6H2O + H2SO4 = MnSO4 + Fe2(SO4)3 + K2SO4 + (NH4)2SO4 + H2O =>
2 KMnO4 + 10 Fe(NH4)2(SO4)2*6H2O + 8 H2SO4 = 2 MnSO4 + 5 Fe2(SO4)3 + K2SO4 + 10(NH4)2SO4 + 68 H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H2SO4 + CaMg(CO3)2 = CaMg(SO4)2 + CO2 + H2O =>
2 H2SO4 + CaMg(CO3)2 = CaMg(SO4)2 + 2 CO2 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C2H5OH + Al + Br2 = C2H5Br + Al(OH)3 =>
6 C2H5OH + 2 Al + 3 Br2 = 6 C2H5Br + 2 Al(OH)3
Na2S2O3 + K[Sb(OH)6] = Na[Sb(OH)6] + K2S2O3 =>
Na2S2O3 + 2 K[Sb(OH)6] = 2 Na[Sb(OH)6] + K2S2O3
Ba(ClO)2 + K2S + H2O = BaCl2 + S + KOH =>
Ba(ClO)2 + 2 K2S + 2 H2O = BaCl2 + 2 S + 4 KOH
Pb2O + N2O5 = PbNO3 =>
Pb2O + N2O5 = 2 PbNO3
PbSO4 + Na2SO = Na2SO4 + PbS =>
3 PbSO4 + 4 Na2SO = 4 Na2SO4 + 3 PbS
Mo(OH)5 + H3BO3 = MoH(BO3)2 + H2O =>
Mo(OH)5 + 2 H3BO3 = MoH(BO3)2 + 5 H2O
KI + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + I + H2O =>
6 KI + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 6 I + 7 H2O
FeCl2 + HNO33 + HCl = FeCl3 + NO + H2O =>
63 FeCl2 + HNO33 + 63 HCl = 63 FeCl3 + NO + 32 H2O
F2 + Al2O3 = F2Al2 + O3 =>
F2 + Al2O3 = F2Al2 + O3
Hg(NO3)2 + NaOH = Hg(OH)2 + NaNO3 =>
Hg(NO3)2 + 2 NaOH = Hg(OH)2 + 2 NaNO3
H2CO3 + Na = Na2CO3 + H2 =>
H2CO3 + 2 Na = Na2CO3 + H2
HgNO3 + HCl = HgCl + HNO3 =>
HgNO3 + HCl = HgCl + HNO3
Fe + I = FeI3 =>
Fe + 3 I = FeI3
FeSO4 + I2 + H2O = Fe + HIO3 + H2SO4 =>
5 FeSO4 + I2 + 6 H2O = 5 Fe + 2 HIO3 + 5 H2SO4
C8H7O2COOH + NaOH = NaC8H7O2COOH + OH =>
C8H7O2COOH + NaOH = NaC8H7O2COOH + OH
As2S5 + KClO3 + H2O = H3AsO4 + H2SO4 + KCl =>
3 As2S5 + 20 KClO3 + 24 H2O = 6 H3AsO4 + 15 H2SO4 + 20 KCl
Hg(NO3)2 + LiI = LiNO3 + HgI2 =>
Hg(NO3)2 + 2 LiI = 2 LiNO3 + HgI2
NO2{-} + C2H4O2 + H{+} = HCO3{-} + N2 + H2O =>
8 NO2{-} + 3 C2H4O2 + 2 H{+} = 6 HCO3{-} + 4 N2 + 4 H2O
MnO2 + e + H3O{+} = Mn{2+} + H2O =>
MnO2 + 2e + 4 H3O{+} = Mn{2+} + 6 H2O
H2SO4 + NH4CH3COO = CH3COOH + (NH4)2SO4 =>
H2SO4 + 2 NH4CH3COO = 2 CH3COOH + (NH4)2SO4
FeSO4 + Ba(OH)2 = Fe(HO)2 + BaSO4 =>
FeSO4 + Ba(OH)2 = Fe(HO)2 + BaSO4
MnCl2 + NaOH + Br2 = MnO2 + NaBr + NaCl + H2O =>
MnCl2 + 4 NaOH + Br2 = MnO2 + 2 NaBr + 2 NaCl + 2 H2O
VOI3 + H2O = V2O5 + HI =>
2 VOI3 + 3 H2O = V2O5 + 6 HI
CO2(g) + NH3(g) = NH2CONH2(s) + H2O =>
CO2(g) + 2 NH3(g) = NH2CONH2(s) + H2O
Cl2O6 + H2O = HCl + O2 =>
2 Cl2O6 + 2 H2O = 4 HCl + 7 O2
Ca = Ca2{+} + e =>
2 Ca = Ca2{+} + e
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