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2 NaOH + FeSO4 = Fe(OH)2 + Na2SO4
Zn + NH3 + H2O = (Zn(NH3)4)(OH)2 + H2 =>
Zn + 4 NH3 + 2 H2O = (Zn(NH3)4)(OH)2 + H2
S2 + O2 = SO3 =>
S2 + 3 O2 = 2 SO3
C6H8O7 + CuO = CO2 + Cu + H2O =>
C6H8O7 + 9 CuO = 6 CO2 + 9 Cu + 4 H2O
CaCl2 + AlF3 = CaF2 + AlCl3 =>
3 CaCl2 + 2 AlF3 = 3 CaF2 + 2 AlCl3
C7H6O3 + FeCl3 = Fe(C7H5O3)3 + HCl =>
3 C7H6O3 + FeCl3 = Fe(C7H5O3)3 + 3 HCl
K3P + H2O = K2O + H3P =>
2 K3P + 3 H2O = 3 K2O + 2 H3P
Cu(s) + Pb(NO3)2 = Cu(NO3)2(aq) + Pb(s) =>
Cu(s) + Pb(NO3)2 = Cu(NO3)2(aq) + Pb(s)
KBr + H2SO4 = K2SO4 + HBr =>
2 KBr + H2SO4 = K2SO4 + 2 HBr
Co(NO3)2(aq) + KOH(aq) = Co(OH)2 + K(NO3) =>
Co(NO3)2(aq) + 2 KOH(aq) = Co(OH)2 + 2 K(NO3)
NaO + H2O = Na(OH)2 =>
NaO + H2O = Na(OH)2
N2O3 + KOH = KNO2 + H2O =>
N2O3 + 2 KOH = 2 KNO2 + H2O
HClNaOH = NaCl + H2O =>
HClNaOH = NaCl + H2O
CaCO3 + HCI = CaCI + CO3H =>
CaCO3 + HCI = CaCI + CO3H
Na2Co3 + KOH = NaOH + K2Co3 =>
Na2Co3 + 2 KOH = 2 NaOH + K2Co3
HCOOH + Mg = HCOOMg + H2 =>
2 HCOOH + 2 Mg = 2 HCOOMg + H2
FeS + H2S + O2 = H2O + FeS2 =>
2 FeS + 2 H2S + O2 = 2 H2O + 2 FeS2
C3 + O2 = CO =>
2 C3 + 3 O2 = 6 CO
AgNO3(aq) + K2SO3(aq) = Ag2SO3(s) + KNO3(aq) =>
2 AgNO3(aq) + K2SO3(aq) = Ag2SO3(s) + 2 KNO3(aq)
C16H24O5N4 + O2 = CO2 + H2O + NO3 =>
2 C16H24O5N4 + 51 O2 = 32 CO2 + 24 H2O + 8 NO3
C7H9 + HNO3 = C7H6(NO2)3 + H2O =>
C7H9 + 3 HNO3 = C7H6(NO2)3 + 3 H2O
HNO3 + KI = KNO3 + I + NO + H2O =>
4 HNO3 + 3 KI = 3 KNO3 + 3 I + NO + 2 H2O
Ca(No3)2 + KI = CaI2 + KNo3 =>
Ca(No3)2 + 2 KI = CaI2 + 2 KNo3
S + N = SN =>
S + N = SN
CuSO4*5H2O + KI = Cu2I2 + I2 + K2SO4 + H2O =>
2 CuSO4*5H2O + 4 KI = Cu2I2 + I2 + 2 K2SO4 + 10 H2O
C3H6 = C7H8 + H2 =>
7 C3H6 = 3 C7H8 + 9 H2
K + CH3COOH = KCH3COO + H2 =>
2 K + 2 CH3COOH = 2 KCH3COO + H2
Fe + CO = FeCO =>
Fe + CO = FeCO
Rh + O2 = Rh2O =>
4 Rh + O2 = 2 Rh2O
KMnO4 + Zn + KOH = K2MnO4 + K2ZnO2 + H2O =>
2 KMnO4 + Zn + 4 KOH = 2 K2MnO4 + K2ZnO2 + 2 H2O
Mg(NO3)2 + NH4OH = Mg(OH)2 + NH4NO3 =>
Mg(NO3)2 + 2 NH4OH = Mg(OH)2 + 2 NH4NO3
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
S8 + KOH = K2S + K2S2O3 + H2O =>
S8 + 12 KOH = 4 K2S + 2 K2S2O3 + 6 H2O
Fe{3+} + OH{-} = Fe(OH)3 =>
Fe{3+} + 3 OH{-} = Fe(OH)3
Sb + NaOH = Na3SbO3 + H2 =>
2 Sb + 6 NaOH = 2 Na3SbO3 + 3 H2
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
Cu + KNO3 + H2SO4 = Cu(NO3)2 + K2SO4 + NO + H2O =>
3 Cu + 8 KNO3 + 4 H2SO4 = 3 Cu(NO3)2 + 4 K2SO4 + 2 NO + 4 H2O
C2H5OH + CuO = C2H4O + Cu + H2O =>
C2H5OH + CuO = C2H4O + Cu + H2O
Ag(NO3) + K2CrO4 = Ag2(CrO4) + KNO3 =>
2 Ag(NO3) + K2CrO4 = Ag2(CrO4) + 2 KNO3
C6H12O6 + NO3{-} = N2 + CO2 + HCO3{-} + H2O =>
5 C6H12O6 + 24 NO3{-} = 12 N2 + 6 CO2 + 24 HCO3{-} + 18 H2O
NaI + KClO + H2O = I2 + KCl + NaOH =>
2 NaI + KClO + H2O = I2 + KCl + 2 NaOH
Ba(NO3)2(aq) + K2CO3(aq) = BaCO3(aq) + KNO3(aq) =>
Ba(NO3)2(aq) + K2CO3(aq) = BaCO3(aq) + 2 KNO3(aq)
NH3(g) + F2(g) = N2F4(g) + H2(g) =>
2 NH3(g) + 2 F2(g) = N2F4(g) + 3 H2(g)
(CaO)3SiO2 + H2O = Ca3Si2O7(H2O)3 + Ca(OH)2 =>
2(CaO)3SiO2 + 6 H2O = Ca3Si2O7(H2O)3 + 3 Ca(OH)2
Be + HI = BeI + H2 =>
2 Be + 2 HI = 2 BeI + H2
MgI2 + Na2SO3 = MgSO3 + NaI =>
MgI2 + Na2SO3 = MgSO3 + 2 NaI
Li + Cu(OH)2 = Li(OH)2 + Cu =>
Li + Cu(OH)2 = Li(OH)2 + Cu
PCl3 + Cl2 = PCl6 =>
2 PCl3 + 3 Cl2 = 2 PCl6
HCl + H2CO3 = Cl2 + C + H2O =>
4 HCl + H2CO3 = 2 Cl2 + C + 3 H2O
Fe(s) + Cu(NO3)2 = Fe(NO3)3 + Cu(s) =>
2 Fe(s) + 3 Cu(NO3)2 = 2 Fe(NO3)3 + 3 Cu(s)
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