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2 HgO = 2 Hg + O2
Fe(s) + H2O(l) = Fe2O3(s) + H2(g) =>
2 Fe(s) + 3 H2O(l) = Fe2O3(s) + 3 H2(g)
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Pb(NO3)2 + NaC2H3O2 = Na(NO3)2 + PbC2H3O2 =>
Pb(NO3)2 + NaC2H3O2 = Na(NO3)2 + PbC2H3O2
Ba(C2H3O2)2 + Na2SO4 = BaSO4 + NaC2H3O2 =>
Ba(C2H3O2)2 + Na2SO4 = BaSO4 + 2 NaC2H3O2
H2S(g) + Fe(OH)3(s) = Fe2S3(s) + H2O(g) =>
3 H2S(g) + 2 Fe(OH)3(s) = Fe2S3(s) + 6 H2O(g)
Na(l) + KCl(l) = K + NaCl =>
Na(l) + KCl(l) = K + NaCl
Mg + NaF = MgFNa =>
Mg + NaF = MgFNa
Li2CO3 + H2O = H2CO3 + Li2O =>
Li2CO3 + H2O = H2CO3 + Li2O
Ca(OH)2 + NO = CaO + NH3 + O2 =>
6 Ca(OH)2 + 4 NO = 6 CaO + 4 NH3 + 5 O2
PdCl2 + HCOOH + OH{-} = Pd + CO2 + H2O + Cl{-} =>
PdCl2 + HCOOH + 2 OH{-} = Pd + CO2 + 2 H2O + 2 Cl{-}
HN3 + H2SO4 = S + HNO3 + H2O =>
3 HN3 + 8 H2SO4 = 8 S + 9 HNO3 + 5 H2O
BaCl2(aq) + Na2S(aq) = BaS(aq) + NaCl(s) =>
BaCl2(aq) + Na2S(aq) = BaS(aq) + 2 NaCl(s)
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
C6H10O + KMnO4 + NaOH + HCl = C6H10O4 + MnO2 + KOH + NaCl =>
C6H10O + 2 KMnO4 + NaOH + HCl = C6H10O4 + 2 MnO2 + 2 KOH + NaCl
MgO = Mg2 + O2 =>
2 MgO = Mg2 + O2
HCl + Na2CO3 = CO2 + H2O + NaCl =>
2 HCl + Na2CO3 = CO2 + H2O + 2 NaCl
Fe + H3PO4 = Fe3(PO4)2 + H2 =>
3 Fe + 2 H3PO4 = Fe3(PO4)2 + 3 H2
FeO = Fe + O2 =>
2 FeO = 2 Fe + O2
C3H6OS2(s) + O2 = CO2 + H2O + SO2 =>
C3H6OS2(s) + 6 O2 = 3 CO2 + 3 H2O + 2 SO2
Hg(OH)2 + H3NO4 = Hg3(NO4)2 + H2O =>
3 Hg(OH)2 + 2 H3NO4 = Hg3(NO4)2 + 6 H2O
Fe(s) + H2O(l) = Fe3O4(s) + H2(g) =>
3 Fe(s) + 4 H2O(l) = Fe3O4(s) + 4 H2(g)
AgNO3(aq) + NH4Br(aq) = AgBr(s) + NH4NO3 =>
AgNO3(aq) + NH4Br(aq) = AgBr(s) + NH4NO3
Pb(SO4)2 + Ba = Ba(SO4)2Pb =>
Pb(SO4)2 + Ba = Ba(SO4)2Pb
Cr2O3 + CO = Cr + CO2 =>
Cr2O3 + 3 CO = 2 Cr + 3 CO2
CaO + H3PO3 = Ca3(PO3)2 + H2O =>
3 CaO + 2 H3PO3 = Ca3(PO3)2 + 3 H2O
CuCl2 + H2O = CuCl2*2H2O =>
CuCl2 + 2 H2O = CuCl2*2H2O
C2H2 = C4H4 =>
2 C2H2 = C4H4
Mg + CuSO4 + H2O = MgSO4 + Cu2O + H2 =>
2 Mg + 2 CuSO4 + H2O = 2 MgSO4 + Cu2O + H2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
HCH3COO + K2CO3 = H2O + CO2 + KCH3COO =>
2 HCH3COO + K2CO3 = H2O + CO2 + 2 KCH3COO
C2H6(g) + O2(g) = CO2(g) + H2O =>
2 C2H6(g) + 7 O2(g) = 4 CO2(g) + 6 H2O
Na + KOH = NaO + K + H2O =>
Na + 2 KOH = NaO + 2 K + H2O
HCOOCH3 + NH3 = CH3NO + CH3OH =>
HCOOCH3 + NH3 = CH3NO + CH3OH
Ba(NO3)2 + Co2(SO4)3 = BaSO4 + Co(NO3)3 =>
3 Ba(NO3)2 + Co2(SO4)3 = 3 BaSO4 + 2 Co(NO3)3
H2O(aq) + N2O5(g) = HNO3(aq) =>
H2O(aq) + N2O5(g) = 2 HNO3(aq)
CO(g) + NO(g) = CO2(g) + N2(g) =>
2 CO(g) + 2 NO(g) = 2 CO2(g) + N2(g)
HNO2 = H2O + NO2 + NO =>
2 HNO2 = H2O + NO2 + NO
FeO + NaOH = FeOH + NaO =>
FeO + NaOH = FeOH + NaO
Al2O3 + P2O5 = AlPO2 + O2 =>
Al2O3 + P2O5 = 2 AlPO2 + 2 O2
[Pt(NH3)4(OH)2]SO4 + BaCl2 = [Pt(NH3)4(OH)2]Cl2 + BaSO4 =>
[Pt(NH3)4(OH)2]SO4 + BaCl2 = [Pt(NH3)4(OH)2]Cl2 + BaSO4
Ba2{+} + (SO4)2{-} = BaSO4 =>
Ba2{+} + (SO4)2{-} = 2 BaSO4
C7H147 + O2 = CO2 + H2O =>
4 C7H147 + 175 O2 = 28 CO2 + 294 H2O
I2 + SO2 + H2O = H{+} + I{-} + H2SO4 =>
I2 + SO2 + 2 H2O = 2 H{+} + 2 I{-} + H2SO4
PB(NO3)2 + H2SO4 = PBSO4(s) + HNO3(aq) =>
PB(NO3)2 + H2SO4 = PBSO4(s) + 2 HNO3(aq)
NO(g) + Cl2(g) = NOCl(g) =>
2 NO(g) + Cl2(g) = 2 NOCl(g)
HNO2 = N2O3 + H2O =>
2 HNO2 = N2O3 + H2O
CuSO4 + Fe = Fe2(SO4)3 + Cu =>
3 CuSO4 + 2 Fe = Fe2(SO4)3 + 3 Cu
Na2Co3 + H2O = NaOH + Co2 + H2 =>
2 Na2Co3 + 4 H2O = 4 NaOH + 3 Co2 + 2 H2
Fe2(SO4)3 + H2S = Fe2S3 + H2SO4 =>
Fe2(SO4)3 + 3 H2S = Fe2S3 + 3 H2SO4
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