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2 NaHC2 = 2 NaC2 + H2
CuS + HNO3 = Cu(NO3)2 + H2S =>
CuS + 2 HNO3 = Cu(NO3)2 + H2S
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Nb + Fe2O3 = Nb2O5 + Fe =>
6 Nb + 5 Fe2O3 = 3 Nb2O5 + 10 Fe
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
CH3OH = H2 + CO =>
CH3OH = 2 H2 + CO
AsCl5 = AsCl3 + Cl2 =>
AsCl5 = AsCl3 + Cl2
K2Cr2O7 + SnCl2 + HCl = CrCl3 + SnCl4 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 14 HCl = 2 CrCl3 + 3 SnCl4 + 2 KCl + 7 H2O
AlO2 = Al + O =>
AlO2 = Al + 2 O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CaSO4 + AgNO3 = CaAg + NO3SO4 =>
CaSO4 + AgNO3 = CaAg + NO3SO4
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
C5H10 + KOH = C5H10OH + K =>
C5H10 + KOH = C5H10OH + K
OF2 = O2 + F2 =>
2 OF2 = O2 + 2 F2
Ag + FeCl3 = AgCl + FeCl2 =>
Ag + FeCl3 = AgCl + FeCl2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CuSO4(aq) + Pt(NO3)4(aq) = Cu(NO3)2(aq) + Pt(SO4)2(aq) =>
2 CuSO4(aq) + Pt(NO3)4(aq) = 2 Cu(NO3)2(aq) + Pt(SO4)2(aq)
N2O5 + FeO = Fe(NO3)2 =>
N2O5 + FeO = Fe(NO3)2
H2O2 + Cr{3+} + OH{-} = CrO2{2+} + H2O =>
3 H2O2 + 2 Cr{3+} + 2 OH{-} = 2 CrO2{2+} + 4 H2O
Mg + (PO4)2 = Mg2PO4 =>
4 Mg + (PO4)2 = 2 Mg2PO4
Na(s) + Cl2(g) = NaCl(s) =>
2 Na(s) + Cl2(g) = 2 NaCl(s)
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ca(OCl) + HCl = CaCl2 + Cl2 + H2O =>
2 Ca(OCl) + 4 HCl = 2 CaCl2 + Cl2 + 2 H2O
Fe(ClO3)2(s) = FeCl2(s) + O2(g) =>
Fe(ClO3)2(s) = FeCl2(s) + 3 O2(g)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
AlI3 + HgCl2 = AlCl3 + HgI2 =>
2 AlI3 + 3 HgCl2 = 2 AlCl3 + 3 HgI2
NH4Cl + Pb(CH3COO)2 = NH4(CH3COO) + PbCl2 =>
2 NH4Cl + Pb(CH3COO)2 = 2 NH4(CH3COO) + PbCl2
KMnO4 + KIO3 + H2SO4 = KIO4 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 KIO3 + 3 H2SO4 = 5 KIO4 + 2 MnSO4 + K2SO4 + 3 H2O
HBr(aq) + F2(g) = HF(aq) + Br2(g) =>
2 HBr(aq) + F2(g) = 2 HF(aq) + Br2(g)
KI + O3 + H2O = KOH + I =>
6 KI + O3 + 3 H2O = 6 KOH + 6 I
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
Pb(NO3)2 + H2S = PbS + HNO3 =>
Pb(NO3)2 + H2S = PbS + 2 HNO3
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
Cu3(PO4)2 + Tl(BrO3)3 = Tl(PO4) + Cu(BrO3)2 =>
Cu3(PO4)2 + 2 Tl(BrO3)3 = 2 Tl(PO4) + 3 Cu(BrO3)2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaCl + AgNO3 = NaNO3 + AgCl = =>
NaCl + AgNO3 = NaNO3 + AgCl
NH3 + Zn(NO3)2 = Zn(NH3)4 + NO3 =>
4 NH3 + Zn(NO3)2 = Zn(NH3)4 + 2 NO3
NaCl + Pb(II)NO3 = Pb(II)Cl + NaNO3 =>
NaCl + Pb(II)NO3 = Pb(II)Cl + NaNO3
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
As + Cl2 = AsCl5 =>
2 As + 5 Cl2 = 2 AsCl5
N2O4 + H2O + O2 = HNO3 =>
2 N2O4 + 2 H2O + O2 = 4 HNO3
C6H5C3NHCH3H4 + H2 = CH4 + NH3 =>
C6H5C3NHCH3H4 + 15 H2 = 10 CH4 + NH3
Ag2S + Al + H2O = Al2O3 + H2S + Ag =>
3 Ag2S + 2 Al + 3 H2O = Al2O3 + 3 H2S + 6 Ag
Na2SO3 + HNO3 = NaNO3 + H2O + SO2(g) =>
Na2SO3 + 2 HNO3 = 2 NaNO3 + H2O + SO2(g)
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