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XPbCO3 = XPbO + CO2
CaO + H2CO3 = Ca(HCO3)2 + H2O =>
CaO + 2 H2CO3 = Ca(HCO3)2 + H2O
(CH3(CH2)6)CH3 + O2 = CO2 + H2O =>
2(CH3(CH2)6)CH3 + 25 O2 = 16 CO2 + 18 H2O
Na + H2O = Na2O + H2 =>
2 Na + H2O = Na2O + H2
NH4Cl + Ag(NO3)2 = NH4(NO3)2 + AgCl =>
NH4Cl + Ag(NO3)2 = NH4(NO3)2 + AgCl
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Cu2S + HNO3 = Cu(NO3)2 + H2SO4 + NO2 + H2O =>
Cu2S + 14 HNO3 = 2 Cu(NO3)2 + H2SO4 + 10 NO2 + 6 H2O
Na2CO3 + Cu(NO3)2 = Na2NO3 + Cu(CO3)2 =>
2 Na2CO3 + Cu(NO3)2 = 2 Na2NO3 + Cu(CO3)2
Cr2O3 + KOH + Br2 = K2Cr2O7 + KBr + H2O =>
Cr2O3 + 8 KOH + 3 Br2 = K2Cr2O7 + 6 KBr + 4 H2O
Fe(OH)3 + Br2 + KOH = K2FeO4 + H2O + HBr =>
2 Fe(OH)3 + 3 Br2 + 4 KOH = 2 K2FeO4 + 2 H2O + 6 HBr
C7H8O + KMnO4 = C7H6O2 + H2O + MnO2 + K =>
C7H8O + KMnO4 = C7H6O2 + H2O + MnO2 + K
AgCl(s) + HNO3(aq) = AgNO3 + HCl =>
AgCl(s) + HNO3(aq) = AgNO3 + HCl
Al + S5 = Al2S3 =>
10 Al + 3 S5 = 5 Al2S3
ZnS + O2 = ZnO*SO2 =>
2 ZnS + 3 O2 = 2 ZnO*SO2
Br(NO3)2 + Na2SO4 = BrSO4 + NaNO3 =>
Br(NO3)2 + Na2SO4 = BrSO4 + 2 NaNO3
CaOHCl + H2O = Ca(OH)2 + HCl =>
CaOHCl + H2O = Ca(OH)2 + HCl
Bi + Cl2 = BiCl3 =>
2 Bi + 3 Cl2 = 2 BiCl3
Cu(NO3)2 + AgF = CuF2 + AgNO3 =>
Cu(NO3)2 + 2 AgF = CuF2 + 2 AgNO3
Cs + HCl = CsCl + H2 =>
2 Cs + 2 HCl = 2 CsCl + H2
H4Sb2O5 + NaOH = Na4Sb2O5 + H2O =>
H4Sb2O5 + 4 NaOH = Na4Sb2O5 + 4 H2O
Fe(aq) + KMnO4(aq) + HCl(aq) = FeCl3(aq) + MnCl2(aq) + H2O(l) + KCl(aq) =>
5 Fe(aq) + 3 KMnO4(aq) + 24 HCl(aq) = 5 FeCl3(aq) + 3 MnCl2(aq) + 12 H2O(l) + 3 KCl(aq)
Ca + HF = CaF2 + H =>
Ca + 2 HF = CaF2 + 2 H
CH3COOH + Na2CO3 = CH3COONa + H2CO3 =>
2 CH3COOH + Na2CO3 = 2 CH3COONa + H2CO3
HClO4 + KHCO3 = KClO4 + H2O + CO2 =>
HClO4 + KHCO3 = KClO4 + H2O + CO2
Na(OH) + CuCl2 = Cu(OH)2 + NaCl =>
2 Na(OH) + CuCl2 = Cu(OH)2 + 2 NaCl
CrO4{2-} + HSnO2{2-} + H2O = CrO2{-} + HSnO3{-} + OH{-} =>
CrO4{2-} + HSnO2{2-} + H2O = CrO2{-} + HSnO3{-} + 2 OH{-}
Na2SO3 + NaOH = NaSO3 + Na2OH =>
Na2SO3 + NaOH = NaSO3 + Na2OH
BaCO3 + CoCO3 + SiO2 = BaCo2Si2O7 + CO2 =>
BaCO3 + 2 CoCO3 + 2 SiO2 = BaCo2Si2O7 + 3 CO2
CaI + CuSO4 = CaSO4 + CuI =>
CaI + CuSO4 = CaSO4 + CuI
NH3(aq) + NaOH(aq) = NH4(aq) + NaO(aq) =>
NH3(aq) + NaOH(aq) = NH4(aq) + NaO(aq)
Fe(OH)2 = Fe2O3 + H2O + H{+} + {-} =>
2 Fe(OH)2 = Fe2O3 + H2O + 2 H{+} + 2e
P + He = PHe =>
P + He = PHe
NiS + NaCl = NiCl2 + Na2S =>
NiS + 2 NaCl = NiCl2 + Na2S
KI + H2SO4 = HI + K2SO4 =>
2 KI + H2SO4 = 2 HI + K2SO4
CaI2 + SnSO4 = CaSO4 + SnI2 =>
CaI2 + SnSO4 = CaSO4 + SnI2
C + O2 = CO2 =>
C + O2 = CO2
K(s) + Pb(NO3)2 = Pb + KNO3 =>
2 K(s) + Pb(NO3)2 = Pb + 2 KNO3
K2CO3 + HNO3 = KNO3 + CO2 + H2O =>
K2CO3 + 2 HNO3 = 2 KNO3 + CO2 + H2O
C7H7NO2 + Fe + HCl = C7H7NH3Cl + H2O + FeCl2 =>
C7H7NO2 + 3 Fe + 7 HCl = C7H7NH3Cl + 2 H2O + 3 FeCl2
C51H98O6 + H2O = CH4 + CO2 =>
4 C51H98O6 + 94 H2O = 145 CH4 + 59 CO2
K2CO3 + Ca(Cl)2 = KCl + CaCO3 =>
K2CO3 + Ca(Cl)2 = 2 KCl + CaCO3
CH3COOH + Ag2O = CO2 + H2O + Ag =>
CH3COOH + 4 Ag2O = 2 CO2 + 2 H2O + 8 Ag
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
KMnO4 + H2O + Fe(oh)3 = MnO2 + KOH + Fe(OH)3 =>
3 KMnO4 + 6 H2O + Fe(oh)3 = 3 MnO2 + 3 KOH + 3 Fe(OH)3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C7H7NO2 + Fe + HCl = C7H7NH3Cl + H2O + FeCl2 =>
C7H7NO2 + 3 Fe + 7 HCl = C7H7NH3Cl + 2 H2O + 3 FeCl2
Na3AsO4 + SnCl2 + HCl = As + SnCl4 + NaCl + H2O =>
2 Na3AsO4 + 5 SnCl2 + 16 HCl = 2 As + 5 SnCl4 + 6 NaCl + 8 H2O
Ba(NO3)2 + Mg(OH)2 = Ba(OH)2 + Mg(NO3)2 =>
Ba(NO3)2 + Mg(OH)2 = Ba(OH)2 + Mg(NO3)2
LiOH + HI = LiI + H2O =>
LiOH + HI = LiI + H2O
Zn(s) + H{+} + NO3{-} = Zn2{+} + H2O + N2O =>
16 Zn(s) + 10 H{+} + 2 NO3{-} = 8 Zn2{+} + 5 H2O + N2O
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