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2 PbO2 + 8 HBr = Pb2 + 4 Br2 + 4 H2O
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
H2S + FeBr3 = HBr + Fe2S3 =>
3 H2S + 2 FeBr3 = 6 HBr + Fe2S3
C4H8O2 + O2 = CO2 + H2O =>
C4H8O2 + 5 O2 = 4 CO2 + 4 H2O
NO2(g) + O2 + H2O = HNO3 =>
4 NO2(g) + O2 + 2 H2O = 4 HNO3
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
M2CO3 + HCl = CO2 + MCl + H2O =>
M2CO3 + 2 HCl = CO2 + 2 MCl + H2O
Fe(OH)2 = FeO + H2O =>
Fe(OH)2 = FeO + H2O
NlO + H2O = Nl(OH)2 =>
NlO + H2O = Nl(OH)2
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
Br + NaOH = H2O + NaBr + NaBrO3 =>
6 Br + 6 NaOH = 3 H2O + 5 NaBr + NaBrO3
H2O + SO2 = H2SO3 =>
H2O + SO2 = H2SO3
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
C8 = C4 =>
C8 = 2 C4
Cl + Ar = ClAr =>
Cl + Ar = ClAr
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Zn(OH)2 + H3PO4 = Zn3(PO4)2 + H2O =>
3 Zn(OH)2 + 2 H3PO4 = Zn3(PO4)2 + 6 H2O
Ni + NH3 = Ni(NH3)6 =>
Ni + 6 NH3 = Ni(NH3)6
C2H2 + CO + H2O = CH2CHCOOH =>
C2H2 + CO + H2O = CH2CHCOOH
NO2 + Na2S2O3 + NaOH = Na2SO4 + N2 + H2O =>
2 NO2 + Na2S2O3 + 2 NaOH = 2 Na2SO4 + N2 + H2O
CuSO4(ac) + Na3PO4(ac) = Cu3(PO4)2 + Na2SO4 =>
3 CuSO4(ac) + 2 Na3PO4(ac) = Cu3(PO4)2 + 3 Na2SO4
Hg(NO3)2 + NaOH = HgO + Na2O + HNO3 =>
Hg(NO3)2 + 2 NaOH = HgO + Na2O + 2 HNO3
KOH + KMnO4 = K2MnO4 + H2O + O2 =>
4 KOH + 4 KMnO4 = 4 K2MnO4 + 2 H2O + O2
Zn2 + Al(NO3)3 = Al3 + Zn(NO3)2 =>
9 Zn2 + 12 Al(NO3)3 = 4 Al3 + 18 Zn(NO3)2
Cu2S + H2SO4 = Cu0 + SO2 + H2O =>
Cu2S + 2 H2SO4 = 2 Cu0 + 3 SO2 + 2 H2O
ZnSO4 + NH3 + H2O = (NH4)2SO4 + Zn(NH3)4(OH)2 =>
ZnSO4 + 6 NH3 + 2 H2O = (NH4)2SO4 + Zn(NH3)4(OH)2
Li + H2O = H2 + LiOH =>
2 Li + 2 H2O = H2 + 2 LiOH
C4H8O + O2 = CO2 + H2O =>
2 C4H8O + 11 O2 = 8 CO2 + 8 H2O
*C = C =>
*C = C
C6H13OH + O2 = CO + H2O =>
C6H13OH + 6 O2 = 6 CO + 7 H2O
Na{+} + S{-} = Na + S =>
Na{+} + S{-} = Na + S
H3PO4(aq) + NH4OH(aq) = HOH() + (NH4)3PO4(aq) =>
H3PO4(aq) + 3 NH4OH(aq) = 3 HOH() + (NH4)3PO4(aq)
Pb(NO3)2(aq) + AgNO3(aq) = PbNO3(s) + Ag(NO3)2(aq) =>
Pb(NO3)2(aq) + AgNO3(aq) = PbNO3(s) + Ag(NO3)2(aq)
CH3CH2OH + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na2SO3 + CH3CH2COOH + H2O =>
3 CH3CH2OH + Na2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + Na2SO3 + 2 CH3CH2COOH + 7 H2O
NaOH + Al(OH)3 = NaAlO2 + H2O =>
NaOH + Al(OH)3 = NaAlO2 + 2 H2O
Li + H2SiO3 = Li2SiO3 + H2 =>
2 Li + H2SiO3 = Li2SiO3 + H2
CH3COOH + HF = CH3COOF + H2 =>
CH3COOH + HF = CH3COOF + H2
CO2 + K = C + K2CO3 =>
3 CO2 + 4 K = C + 2 K2CO3
SiO2 + Na2CO3 = Na2SiO3 + CO2 =>
SiO2 + Na2CO3 = Na2SiO3 + CO2
Na3PO4 + HCl = NaCl + H3PO4 =>
Na3PO4 + 3 HCl = 3 NaCl + H3PO4
Al + MnO2 = Al2O3 + Mn =>
4 Al + 3 MnO2 = 2 Al2O3 + 3 Mn
H2O + Fe2 = H2 + Fe2O3 =>
3 H2O + Fe2 = 3 H2 + Fe2O3
PBr3 + HCl = HBr + PCl3 =>
PBr3 + 3 HCl = 3 HBr + PCl3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
HgO = Hg + O =>
HgO = Hg + O
CaSNaF = CaFNaS =>
CaSNaF = CaFNaS
HgO = Hg + O =>
HgO = Hg + O
PdCl2 + HNO3 = Pd(NO3)2 + HCl =>
PdCl2 + 2 HNO3 = Pd(NO3)2 + 2 HCl
H2S + H2SO4 = H2O + S =>
3 H2S + H2SO4 = 4 H2O + 4 S
Br2 + HCl = Cl + HBr =>
Br2 + 2 HCl = 2 Cl + 2 HBr
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