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3 Fe + 4 H2O = Fe3O4 + 4 H2
Ca(OH)2 + H2SiO3 = Ca(HSiO3)2 + H2O =>
Ca(OH)2 + 2 H2SiO3 = Ca(HSiO3)2 + 2 H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Ag(s) + HBr(aq) = AgBr(aq) + H2(g) =>
2 Ag(s) + 2 HBr(aq) = 2 AgBr(aq) + H2(g)
NH3(aq) + Hg(OH)2(aq) = [Hg(NH3)4](aq) + OH(aq) =>
4 NH3(aq) + Hg(OH)2(aq) = [Hg(NH3)4](aq) + 2 OH(aq)
CO2 + Li3N = Li2CN2 + Li2O =>
CO2 + 2 Li3N = Li2CN2 + 2 Li2O
Fe + HNO3 = Fe(NO3)2 + N20 + H2O =>
50 Fe + 120 HNO3 = 50 Fe(NO3)2 + N20 + 60 H2O
NH4F + LiNO3 = LiF + NH4NO3 =>
NH4F + LiNO3 = LiF + NH4NO3
Cr2O2 + Na2CO3 + KNO3 = Na2CrO4 + CO2 + KNO2 =>
Cr2O2 + 2 Na2CO3 + 4 KNO3 = 2 Na2CrO4 + 2 CO2 + 4 KNO2
Ag2O + H2 = Ag + H2O =>
Ag2O + H2 = 2 Ag + H2O
CoS + H2O2 + NaOH = CoO(OH) + Na2SO4 + H2O =>
2 CoS + 9 H2O2 + 4 NaOH = 2 CoO(OH) + 2 Na2SO4 + 10 H2O
CaPO4 + H2SO4 = Ca2SO4 + HPO4 =>
2 CaPO4 + H2SO4 = Ca2SO4 + 2 HPO4
CuSO4(aq) + Na3PO4(aq) = CuPO4(s) + Na3SO4(aq) =>
CuSO4(aq) + Na3PO4(aq) = CuPO4(s) + Na3SO4(aq)
Ca(HCO3)2 + KOH = CaCO3 + H2O + K2CO3 =>
Ca(HCO3)2 + 2 KOH = CaCO3 + 2 H2O + K2CO3
P2O5 + Ca(OH)2 = CaO + P(OH)5 =>
P2O5 + 5 Ca(OH)2 = 5 CaO + 2 P(OH)5
NaOH + AlCO3 = NaAlO2 + CO2 + H2 =>
2 NaOH + 2 AlCO3 = 2 NaAlO2 + 2 CO2 + H2
BaO + NO = BaNO2 =>
BaO + NO = BaNO2
Ag + CuSO4 = Ag2(SO4) + Cu =>
2 Ag + CuSO4 = Ag2(SO4) + Cu
Zn + SnBr2 = ZnBr2 + Sn =>
Zn + SnBr2 = ZnBr2 + Sn
C7H8O + O = CO2 + H2O =>
C7H8O + 17 O = 7 CO2 + 4 H2O
NH4F + LiNO3 = LiF + NH4NO3 =>
NH4F + LiNO3 = LiF + NH4NO3
K + I = KI =>
K + I = KI
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Ba(SO3) + HCl = BaCl + H(SO3) =>
Ba(SO3) + HCl = BaCl + H(SO3)
Al + NH4NO3 = N2 + H2O + Al2O3 =>
2 Al + 3 NH4NO3 = 3 N2 + 6 H2O + Al2O3
Sr(HS)2 + H2O = Sr(OH)2 + H2S =>
Sr(HS)2 + 2 H2O = Sr(OH)2 + 2 H2S
H2O2 + H2SO4 + KI = K2SO4 + H2O + I2 =>
H2O2 + H2SO4 + 2 KI = K2SO4 + 2 H2O + I2
NH4F + LiNO3 = LiF + NH4NO3 =>
NH4F + LiNO3 = LiF + NH4NO3
Fe(NO3)3 = Fe2O3 + NO2 + O2 =>
4 Fe(NO3)3 = 2 Fe2O3 + 12 NO2 + 3 O2
IrBr3 + AgC2H3O2 = AgBr + Ir(C2H3O2)3 =>
IrBr3 + 3 AgC2H3O2 = 3 AgBr + Ir(C2H3O2)3
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
C2H4O + H2O = HOCH2CH2OH =>
C2H4O + H2O = HOCH2CH2OH
AgNO3(aq) + NaC2H3O2(aq) = AgC2H3O2(s) + NaNO3(aq) =>
AgNO3(aq) + NaC2H3O2(aq) = AgC2H3O2(s) + NaNO3(aq)
NaSO3 + Na2S + HCl = H2O + NaCl + S =>
2 NaSO3 + 5 Na2S + 12 HCl = 6 H2O + 12 NaCl + 7 S
MnO2(aq) + HCl(aq) = MnCl2(aq) + Cl2(g) + H2O(l) =>
MnO2(aq) + 4 HCl(aq) = MnCl2(aq) + Cl2(g) + 2 H2O(l)
CaOH2 + H2O = Ca(OH)2 + H2 =>
CaOH2 + H2O = Ca(OH)2 + H2
CuSO4 + NaOH + N2H4 = N2 + Na2SO4 + Cu + H2O =>
2 CuSO4 + 4 NaOH + N2H4 = N2 + 2 Na2SO4 + 2 Cu + 4 H2O
ZnI2 + Na2S = ZnS + NaI =>
ZnI2 + Na2S = ZnS + 2 NaI
Cr2O3(S) + SO3(l) = Cr2(SO4)3(S) =>
Cr2O3(S) + 3 SO3(l) = Cr2(SO4)3(S)
CON2H4 + C6H12O6 = C3H7NO3 =>
6 CON2H4 + 5 C6H12O6 = 12 C3H7NO3
Br2 + K2S = KBr + S =>
Br2 + K2S = 2 KBr + S
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
CaI2(aq) + (NH4)3PO4(aq) = Ca3(PO4)2(s) + NH4I(aq) =>
3 CaI2(aq) + 2(NH4)3PO4(aq) = Ca3(PO4)2(s) + 6 NH4I(aq)
AgNO3 + NaS = AgNO3NaS =>
AgNO3 + NaS = AgNO3NaS
N2 + H2O = NO + NH2OH =>
3 N2 + 6 H2O = 2 NO + 4 NH2OH
Al + NaF = AlNa + F =>
Al + NaF = AlNa + F
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
Na2CO3(aq) + Hg(NO3)2(aq) = NaNO3 + HgCO3 =>
Na2CO3(aq) + Hg(NO3)2(aq) = 2 NaNO3 + HgCO3
Cs(ClO3) = CsCl + O2 =>
2 Cs(ClO3) = 2 CsCl + 3 O2
AgCl + H2SO4 = HCl + Ag2SO4 =>
2 AgCl + H2SO4 = 2 HCl + Ag2SO4
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