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4 Fe + 3 O2 = 2 Fe2O3
NaI + MnO2 + H2SO4 = Na2SO4MnSO4 + H2O + I2 =>
2 NaI + MnO2 + 2 H2SO4 = Na2SO4MnSO4 + 2 H2O + I2
Fe(OH)3 = Fe2O3 + H2O(l) =>
2 Fe(OH)3 = Fe2O3 + 3 H2O(l)
NaI(aq) + Pb(NO3)2(aq) = NaNO3(aq) + PbI2(s) =>
2 NaI(aq) + Pb(NO3)2(aq) = 2 NaNO3(aq) + PbI2(s)
NaOH + LiF = NaF + LiOH =>
NaOH + LiF = NaF + LiOH
Fe(OH)2 + Br2 + KOH = Fe(OH)3 + KBr =>
2 Fe(OH)2 + Br2 + 2 KOH = 2 Fe(OH)3 + 2 KBr
SnO + PbO2 + KOH + H2O = K2[Sn(OH)6] + K2[Pb(OH)4] =>
SnO + PbO2 + 4 KOH + 3 H2O = K2[Sn(OH)6] + K2[Pb(OH)4]
Zn + HNO3 = ZnNO6 + NO2 + H2O =>
Zn + 8 HNO3 = ZnNO6 + 7 NO2 + 4 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C3H8O3 + O2 = CO + H2O =>
C3H8O3 + 2 O2 = 3 CO + 4 H2O
H2O2 + N2H4 = HNO3 + H2O =>
7 H2O2 + N2H4 = 2 HNO3 + 8 H2O
Na3(s)PO4(aq) + Ca(s)Cl2(s) = Ca3(PO4)2(s) + NaCl(s) =>
2 Na3(s)PO4(aq) + 3 Ca(s)Cl2(s) = Ca3(PO4)2(s) + 6 NaCl(s)
H2O(l)(electricity) = H2 + O2 =>
2 H2O(l)(electricity) = 2 H2 + O2
Mg(PO4) + Ag(SO4) = Mg(SO4) + Ag(PO4) =>
Mg(PO4) + Ag(SO4) = Mg(SO4) + Ag(PO4)
Na2SO4(aq) + CaCl2(aq) = CaSO4(s) + NaCl(aq) =>
Na2SO4(aq) + CaCl2(aq) = CaSO4(s) + 2 NaCl(aq)
NH2 + H2 = NH3 =>
2 NH2 + H2 = 2 NH3
KMnO4 + H3PO4 + NO = HNO3 + Mn3(PO4)2 + K3PO4 + H2O =>
3 KMnO4 + 3 H3PO4 + 5 NO = 5 HNO3 + Mn3(PO4)2 + K3PO4 + 2 H2O
Na2S + Pb(NO3)2 = NaNO3 + PbS =>
Na2S + Pb(NO3)2 = 2 NaNO3 + PbS
Pb(CH3COO)2 + H2O = Pb(OH)2 + CH3COOH =>
Pb(CH3COO)2 + 2 H2O = Pb(OH)2 + 2 CH3COOH
MgCl2NaNO3 = MgNO3NaCl2 =>
MgCl2NaNO3 = MgNO3NaCl2
P + H2SO4 = H3PO4 + H2O + SO2 =>
2 P + 5 H2SO4 = 2 H3PO4 + 2 H2O + 5 SO2
Ca(HCO3)2 + HCl(aq) = CaCl2(aq) + H2O(l) + CO2(g) =>
Ca(HCO3)2 + 2 HCl(aq) = CaCl2(aq) + 2 H2O(l) + 2 CO2(g)
Be5 + B2 = Be5B2 =>
Be5 + B2 = Be5B2
Mn(SO4)2 + H2O = MnO2 + H2SO4 =>
Mn(SO4)2 + 2 H2O = MnO2 + 2 H2SO4
KClO3 + Na2SO3 + H2SO4 = Cl2 + H2O + Na2SO4 + K2SO4 =>
2 KClO3 + 5 Na2SO3 + H2SO4 = Cl2 + H2O + 5 Na2SO4 + K2SO4
HF + Cu{2}O = CuF + H{2}O =>
HF + Cu{2}O = CuF + H{2}O
H3NBH3 + H2O = H2 + (NH4)BO2 =>
H3NBH3 + 2 H2O = 3 H2 + (NH4)BO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2O2 + N2H4 = HNO3 + H2O =>
7 H2O2 + N2H4 = 2 HNO3 + 8 H2O
Ca(s) + H3PO4(aq) = CaH3PO4 =>
Ca(s) + H3PO4(aq) = CaH3PO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Sc + NaOH + H2O = Na3[Sc(OH)6] + H2 =>
2 Sc + 6 NaOH + 6 H2O = 2 Na3[Sc(OH)6] + 3 H2
Gd2(SO4)3 = Gd + SO4 =>
Gd2(SO4)3 = 2 Gd + 3 SO4
H2SiF6 + NaOH = NaF + SiO2 + H2O =>
H2SiF6 + 6 NaOH = 6 NaF + SiO2 + 4 H2O
MnSO4 + KClO3 + KOH = MnO4 + KCl + K2SO4 + H2O =>
MnSO4 + KClO3 + 2 KOH = MnO4 + KCl + K2SO4 + H2O
C5H10N2O3 + C3H4O3 = C5H7NO4 + C3H7NO2 =>
C5H10N2O3 + C3H4O3 = C5H7NO4 + C3H7NO2
Cu3P2 + HNO3 = Cu(NO3)2 + H3PO4 + NO + H2O =>
3 Cu3P2 + 34 HNO3 = 9 Cu(NO3)2 + 6 H3PO4 + 16 NO + 8 H2O
NiCl2 + Na2Co3 = NiCo3 + NaCl =>
NiCl2 + Na2Co3 = NiCo3 + 2 NaCl
C + HCl = C10H16 + Cl2 =>
10 C + 16 HCl = C10H16 + 8 Cl2
C2 + CO2 = CO =>
C2 + 2 CO2 = 4 CO
PBr5 + H2O = POBr3 + HBr =>
PBr5 + H2O = POBr3 + 2 HBr
Fe2O2 + Al = Al2O3 + Fe2 =>
3 Fe2O2 + 4 Al = 2 Al2O3 + 3 Fe2
(d)(NH4)2CO3 + CaSO4 = (NH4)2SO4 + CaCO3 =>
(d)(NH4)2CO3 + CaSO4 = (NH4)2SO4 + CaCO3
C3H8O + [Ag(NH3)2]OH = CH3COONH4 + Ag + NH3 + H2O =>
2 C3H8O + 12[Ag(NH3)2]OH = 3 CH3COONH4 + 12 Ag + 21 NH3 + 8 H2O
Al + H2O2 = Al(OH)3 =>
2 Al + 3 H2O2 = 2 Al(OH)3
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
S8(S) + O2(g) = SO(g) =>
2 S8(S) + 9 O2(g) = 18 SO(g)
Fe + CaO = Fe2O3 + Ca =>
2 Fe + 3 CaO = Fe2O3 + 3 Ca
Na + Cl = NaCl =>
Na + Cl = NaCl
MnO4{-} + SO3{2-} + H2O = MnO2 + SO4{2-} + OH{-} =>
2 MnO4{-} + 3 SO3{2-} + H2O = 2 MnO2 + 3 SO4{2-} + 2 OH{-}
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