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4 Fe + 3 O2 = 2 Fe2O3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al + Ag(NO3) = Al(NO3)3 + Ag =>
Al + 3 Ag(NO3) = Al(NO3)3 + 3 Ag
Al(OH)3 + Cu = AlCu + Cu(OH)2 =>
2 Al(OH)3 + 5 Cu = 2 AlCu + 3 Cu(OH)2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Al2(SO4)3(aq) + (NH4)2S(aq) = Al2S3(s) + (NH4)2SO4(aq) =>
Al2(SO4)3(aq) + 3(NH4)2S(aq) = Al2S3(s) + 3(NH4)2SO4(aq)
Na2SO3(s) + O2(g) = Na2SO4(s) =>
2 Na2SO3(s) + O2(g) = 2 Na2SO4(s)
Mg3N2 + Na3Cl2 = MgNa + NCl =>
Mg3N2 + Na3Cl2 = 3 MgNa + 2 NCl
Mg(s) + HCl(l) = MgCl2(aq) + H2(g) =>
Mg(s) + 2 HCl(l) = MgCl2(aq) + H2(g)
NaOH + PCl = NaCl + POH =>
NaOH + PCl = NaCl + POH
Zn(s) + HCl(aq) = ZnCl*2(aq) + H*2(g) =>
Zn(s) + HCl(aq) = ZnCl*2(aq) + H*2(g)
HMnO4 + AsH2 + H2SO4 = H3AsO4 + MnSO4 + H2O =>
7 HMnO4 + 5 AsH2 + 7 H2SO4 = 5 H3AsO4 + 7 MnSO4 + 8 H2O
Mg3P2 + O2 = MgO + P2O3 =>
Mg3P2 + 3 O2 = 3 MgO + P2O3
K2FeO2 + H2O = Fe(OH)2 + KOH =>
K2FeO2 + 2 H2O = Fe(OH)2 + 2 KOH
Hg2CO3 + HCl = HgCl + H2CO3 =>
Hg2CO3 + 2 HCl = 2 HgCl + H2CO3
CuCl2 + Zn2 = ZnCl + Cu =>
CuCl2 + Zn2 = 2 ZnCl + Cu
CoCl2 + KNCS = KCl + K2(Co(NCS)4) =>
CoCl2 + 4 KNCS = 2 KCl + K2(Co(NCS)4)
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
CO + FeO3 = Fe + CO3 =>
3 CO + 2 FeO3 = 2 Fe + 3 CO3
C6H14O + CrO3 + H2SO4 = C6H12O + Cr2(SO4)3 + H2O =>
3 C6H14O + 2 CrO3 + 3 H2SO4 = 3 C6H12O + Cr2(SO4)3 + 6 H2O
Na2O2 + H2SO4 + K2Cr2O7 = Na2SO4 + Cr2O6 + KOH + O2 =>
2 Na2O2 + 2 H2SO4 + 2 K2Cr2O7 = 2 Na2SO4 + 2 Cr2O6 + 4 KOH + O2
H2O + Bi{3+} + Cl{-} = Bi6(OH)12Cl6 + H{+} =>
12 H2O + 6 Bi{3+} + 6 Cl{-} = Bi6(OH)12Cl6 + 12 H{+}
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
KI + H2SO4 + Na2SO3 = I2 + Na2S + K2SO4 + H2O =>
6 KI + 3 H2SO4 + Na2SO3 = 3 I2 + Na2S + 3 K2SO4 + 3 H2O
Ag + CuS4 = Ag2S + Cu =>
8 Ag + CuS4 = 4 Ag2S + Cu
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Fe(s) + Cl2(s) = FeCl3(s) =>
2 Fe(s) + 3 Cl2(s) = 2 FeCl3(s)
CaCl2 + (COOH)2 = Ca(COO)2 + HCl =>
CaCl2 + (COOH)2 = Ca(COO)2 + 2 HCl
KOH + Na = NaOH + K =>
KOH + Na = NaOH + K
RCOOH + CaO = (RCOO)2Ca + H2O =>
2 RCOOH + CaO = (RCOO)2Ca + H2O
Al(OH)3 + Cu = AlCu + Cu(OH)2 =>
2 Al(OH)3 + 5 Cu = 2 AlCu + 3 Cu(OH)2
H3BO3 + Ba(OH)2 = Ba3(BO3)2 + H2O =>
2 H3BO3 + 3 Ba(OH)2 = Ba3(BO3)2 + 6 H2O
KOH + Sr(NO3)2 = K(NO3)2 + SrOH =>
KOH + Sr(NO3)2 = K(NO3)2 + SrOH
HCl + H2O = Cl2OH + H2 =>
4 HCl + 2 H2O = 2 Cl2OH + 3 H2
NaNO3 + Na3PO4 = Na3NO3 + NaPO4 =>
NaNO3 + Na3PO4 = Na3NO3 + NaPO4
H2SO4 + Pb(OH)4 = H2O + Pb(SO4)2 =>
2 H2SO4 + Pb(OH)4 = 4 H2O + Pb(SO4)2
Fe2(SO4)3 + Na3PO4 = FePO4 + Na2SO4 =>
Fe2(SO4)3 + 2 Na3PO4 = 2 FePO4 + 3 Na2SO4
NaH + BCl3 = NaCl + B2H6 =>
6 NaH + 2 BCl3 = 6 NaCl + B2H6
K2CrO7 + Cr2Cl2 + HCl = KCl + CrCl3 + H2O =>
4 K2CrO7 + 9 Cr2Cl2 + 56 HCl = 8 KCl + 22 CrCl3 + 28 H2O
KOH + KCl = KClO3 + H2 + K =>
6 KOH + 2 KCl = 2 KClO3 + 3 H2 + 6 K
Li3PO4 = Li + P4 + O2 =>
4 Li3PO4 = 12 Li + P4 + 8 O2
Zn(OH)2 + CO2 = Zn2(OH)2CO3 + H2O =>
2 Zn(OH)2 + CO2 = Zn2(OH)2CO3 + H2O
Ag2SO4 + FeCl3 = Fe2(SO4)3 + AgCl =>
3 Ag2SO4 + 2 FeCl3 = Fe2(SO4)3 + 6 AgCl
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Al3O3 + H2O = Al(OH)2 =>
Al3O3 + 3 H2O = 3 Al(OH)2
KOH + Na = NaOH + K =>
KOH + Na = NaOH + K
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