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8 Hf + 10 HNO3 = 8 HfNO3 + NH4NO3 + 3 H2O
NaCl + (NH4)2O = Na2O + NH4Cl =>
2 NaCl + (NH4)2O = Na2O + 2 NH4Cl
Fe2SO4 + H2SO4 + Cl2 = Fe2(SO4)3 + HCl =>
Fe2SO4 + 2 H2SO4 + 2 Cl2 = Fe2(SO4)3 + 4 HCl
HMnO4 + CaO = Ca(MnO4)2 + H2O =>
2 HMnO4 + CaO = Ca(MnO4)2 + H2O
Na3SbO4 + H2S = H3SbO4 + Na2S =>
2 Na3SbO4 + 3 H2S = 2 H3SbO4 + 3 Na2S
Fe2(SO4)3 + H3PO4 + CaCO3 = Fe(PO4) + CaSO4 + H2O + CO2 =>
Fe2(SO4)3 + 2 H3PO4 + 3 CaCO3 = 2 Fe(PO4) + 3 CaSO4 + 3 H2O + 3 CO2
SO2 + Cl2 = SO2Cl2 =>
SO2 + Cl2 = SO2Cl2
H2O + MnO4 = H2O2 + MnO2 =>
2 H2O + MnO4 = 2 H2O2 + MnO2
K + Mg(CIO3)2 = KCIO3 + Mg =>
2 K + Mg(CIO3)2 = 2 KCIO3 + Mg
AlN = Al + N2 =>
2 AlN = 2 Al + N2
K2(Cr2O7) + Pb(NO3)2 = K(NO3) + Pb(Cr2O7) =>
K2(Cr2O7) + Pb(NO3)2 = 2 K(NO3) + Pb(Cr2O7)
MgO + HNO3 = Mg(NO3)3 + NO2 + H2O =>
MgO + 4 HNO3 = Mg(NO3)3 + NO2 + 2 H2O
HI(aq) + Ba(OH)2(s) = BaI2(aq) + H2O(l) =>
2 HI(aq) + Ba(OH)2(s) = BaI2(aq) + 2 H2O(l)
Pb + J = PbJ2 =>
Pb + 2 J = PbJ2
FeS(s) + O2(g) + H2O = Fe2O3(s) + H2SO4 =>
4 FeS(s) + 9 O2(g) + 4 H2O = 2 Fe2O3(s) + 4 H2SO4
K2Cr2O7 + O2 = K2Cr2O9 =>
K2Cr2O7 + O2 = K2Cr2O9
AlCl + NaS = AlS + NaCl =>
AlCl + NaS = AlS + NaCl
AlO + H2O = Al(OH)3 + H2 =>
2 AlO + 4 H2O = 2 Al(OH)3 + H2
Po + HI = H2 + PoI3 =>
2 Po + 6 HI = 3 H2 + 2 PoI3
Cr2O7{2-} + Fe2 + H{+} = Cr3{+} + Fe3{+} + H2O =>
3 Cr2O7{2-} + 51 Fe2 + 42 H{+} = 2 Cr3{+} + 34 Fe3{+} + 21 H2O
AlO + H2O = Al(OH)3 + H2 =>
2 AlO + 4 H2O = 2 Al(OH)3 + H2
Fe2O3H2O + H2S = Fe2S3 + H2O =>
Fe2O3H2O + 3 H2S = Fe2S3 + 4 H2O
NaHSO4 + NaOH = H2O + Na2SO4 =>
NaHSO4 + NaOH = H2O + Na2SO4
NdSi2 + O2 = Nd2O3 + SiO2 =>
4 NdSi2 + 11 O2 = 2 Nd2O3 + 8 SiO2
N2O2{2-} + MnO4{-} + H{+} = Mn{2+} + NO3{-} + H2O =>
5 N2O2{2-} + 8 MnO4{-} + 24 H{+} = 8 Mn{2+} + 10 NO3{-} + 12 H2O
La(OH)3 + CO2 = La2(CO3)3 + H2O =>
2 La(OH)3 + 3 CO2 = La2(CO3)3 + 3 H2O
K2MnO4 + K2S + H2O = MnO2 + S + KOH =>
K2MnO4 + K2S + 2 H2O = MnO2 + S + 4 KOH
Zn2 + H2SO4 = ZnSO42 + H2S + H2O =>
2 Zn2 + 43 H2SO4 = 4 ZnSO42 + 39 H2S + 4 H2O
(NH4)C2O4 + Ca(NO3)2 = CaC2O4 + NH4(NO3)2 =>
(NH4)C2O4 + Ca(NO3)2 = CaC2O4 + NH4(NO3)2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Ag + NiCl = AgCl + Ni2 =>
2 Ag + 2 NiCl = 2 AgCl + Ni2
Ca(HCO3)2 = CaCO3 + H2O + CO2 =>
Ca(HCO3)2 = CaCO3 + H2O + CO2
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
ZnO(s) + KOH(aq) + H2O(aq) = K2[Zn(OH)4](s) =>
ZnO(s) + 2 KOH(aq) + H2O(aq) = K2[Zn(OH)4](s)
C4H6O6 + Na2SiO3*5H2O = Na2C4H4O6 + H4O4Si + H2O =>
C4H6O6 + Na2SiO3*5H2O = Na2C4H4O6 + H4O4Si + 4 H2O
AlBr3 + H2O = Al(OH)3 + HBr =>
AlBr3 + 3 H2O = Al(OH)3 + 3 HBr
CH3CH2OH + HBr = CH3CH2Br + HOH =>
CH3CH2OH + HBr = CH3CH2Br + HOH
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
KHSO4 + Al2O3 = K2SO4 + Al2(SO4)3 + H + O =>
6 KHSO4 + Al2O3 = 3 K2SO4 + Al2(SO4)3 + 6 H + 3 O
LiOH(aq) + NaOH(aq) = H2O2(l) + NaLi(aq) =>
LiOH(aq) + NaOH(aq) = H2O2(l) + NaLi(aq)
NaI + H2SO4 = NaSO4 + H2I =>
NaI + H2SO4 = NaSO4 + H2I
H3PO4(aq) + NH4OH(aq) = (NH4)3PO4 + H2O =>
H3PO4(aq) + 3 NH4OH(aq) = (NH4)3PO4 + 3 H2O
C2H4O2 + C5H10O = C7H14O2 =>
3 C2H4O2 + 10 C5H10O = 8 C7H14O2
N2H4 + O2 = NO2 + H2 =>
N2H4 + 2 O2 = 2 NO2 + 2 H2
PCl5 + H2O = (HO)3PO + HCl =>
PCl5 + 4 H2O = (HO)3PO + 5 HCl
Mg + TiO2 = MgTiO3 + Ti2O3 =>
Mg + 3 TiO2 = MgTiO3 + Ti2O3
U(C2O4)2 = UO2 + CO2 + CO =>
U(C2O4)2 = UO2 + 2 CO2 + 2 CO
KCO3 + H2SO4 = KSO4 + CO2 + H2O =>
KCO3 + H2SO4 = KSO4 + CO2 + H2O
P + HJO3 + H2O = H3PO4 + HJ =>
6 P + 5 HJO3 + 9 H2O = 6 H3PO4 + 5 HJ
Al2Si2O5(OH)4 + KAlSi3O8 + Na{+} = KAl3Si3O10(OH)2 + NaAlSi3O8 + H2O + H{+} =>
3 Al2Si2O5(OH)4 + 2 KAlSi3O8 + 2 Na{+} = 2 KAl3Si3O10(OH)2 + 2 NaAlSi3O8 + 3 H2O + 2 H{+}
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