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Fe + H2S = 2 H + FeS
PtBr3 + Na2S = Pt2S3 + NaBr =>
2 PtBr3 + 3 Na2S = Pt2S3 + 6 NaBr
C2H5CHO + Ag2O = Ag + C2H5COOH =>
C2H5CHO + Ag2O = 2 Ag + C2H5COOH
CH3CHO + O2 = CH3O2 + CHOO2 =>
CH3CHO + 2 O2 = CH3O2 + CHOO2
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
NaOH + H2O = NaO + H3O =>
NaOH + H2O = NaO + H3O
CH3 + Br2 = CBr4 + HBr =>
2 CH3 + 7 Br2 = 2 CBr4 + 6 HBr
NaClO + NaOH + HCN = NaCNO + NaCl + H2O =>
NaClO + NaOH + HCN = NaCNO + NaCl + H2O
C3H6 + Cl2 = C3H7Cl + C4H7Cl =>
7 C3H6 + 3 Cl2 = 3 C3H7Cl + 3 C4H7Cl
Fe(iii)OH = FeOH =>
Fe(iii)OH = FeOH
MgSO4*7H2O = MgSO4 + H2O =>
MgSO4*7H2O = MgSO4 + 7 H2O
NH4OH + Fe(NO3)3 = Fe(OH)3 + NH4NO3 =>
3 NH4OH + Fe(NO3)3 = Fe(OH)3 + 3 NH4NO3
SbS + Fe = Sb + FeS =>
SbS + Fe = Sb + FeS
MgF2 + H2SO4 = MgH2 + F2SO4 =>
MgF2 + H2SO4 = MgH2 + F2SO4
CH4(g) + O2 = CO2(g) + H2O(g) =>
CH4(g) + 2 O2 = CO2(g) + 2 H2O(g)
KI(aq) + BaS(aq) = BaI2 + K2S =>
2 KI(aq) + BaS(aq) = BaI2 + K2S
SF3 + F = SF6 =>
SF3 + 3 F = SF6
K2CO3 + HBr = KBr + CO2H2O =>
K2CO3 + 2 HBr = 2 KBr + CO2H2O
CaO + Na2O = CaO2 + Na =>
CaO + Na2O = CaO2 + 2 Na
PbO + AlCl3 = PbCl2 + Al2O3 =>
3 PbO + 2 AlCl3 = 3 PbCl2 + Al2O3
NH3(g) + H3PO4(aq) = (NH4)3PO4(aq) =>
3 NH3(g) + H3PO4(aq) = (NH4)3PO4(aq)
NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g) =>
2 NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g)
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
MgSO4 = MgO + SO3 =>
MgSO4 = MgO + SO3
SF6(g) + SO3(g) = SO2F2(g) =>
SF6(g) + 2 SO3(g) = 3 SO2F2(g)
Zn(OH)2 + BaO = Ba(OH)2 + ZnO =>
Zn(OH)2 + BaO = Ba(OH)2 + ZnO
C6H8O6 + NaClO = C6H6O6 + NaCl + H2O =>
C6H8O6 + NaClO = C6H6O6 + NaCl + H2O
MnO2 + H2 = Mn2 + H2O =>
2 MnO2 + 4 H2 = Mn2 + 4 H2O
Hg(NO3)2 + Na2CrO4 = HgCrO4 + Na(NO3) =>
Hg(NO3)2 + Na2CrO4 = HgCrO4 + 2 Na(NO3)
Mg(k) + HNO3(aq) = Mg(NO3)2(aq) + NH4NO3(aq) + H2O(s) =>
4 Mg(k) + 10 HNO3(aq) = 4 Mg(NO3)2(aq) + NH4NO3(aq) + 3 H2O(s)
LiOH + KOH = Li + K(OH)2 =>
LiOH + KOH = Li + K(OH)2
Cu + AgCO3 = CuCO3 + Ag =>
Cu + AgCO3 = CuCO3 + Ag
BaI2 + CI2 = BaCI2 + I2 =>
BaI2 + CI2 = BaCI2 + I2
NaSO4 + CaCl2 = NaCl + Ca(SO4)2 =>
2 NaSO4 + CaCl2 = 2 NaCl + Ca(SO4)2
Na + KNO3 = K2O + N + Na2O =>
10 Na + 2 KNO3 = K2O + 2 N + 5 Na2O
NaH2AsO4 + NaOH = Na3AsO4 + H2O =>
NaH2AsO4 + 2 NaOH = Na3AsO4 + 2 H2O
LiNO3(aq) + Pb(C2H3O2)2(aq) = LiC2H3O2(aq) + Pb(NO3)2(aq) =>
2 LiNO3(aq) + Pb(C2H3O2)2(aq) = 2 LiC2H3O2(aq) + Pb(NO3)2(aq)
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
KI + CCl4 + Br2 = KCl + CI + BrCl =>
2 KI + 2 CCl4 + 3 Br2 = 2 KCl + 2 CI + 6 BrCl
CrCl3 + NaBr = CrBr + Cl3Na =>
CrCl3 + NaBr = CrBr + Cl3Na
NH4HCO3 + KNO3 = NH4NO3 + KHCO3 =>
NH4HCO3 + KNO3 = NH4NO3 + KHCO3
CuBr2 + HNO3 = Cu(NO3)2 + HBr =>
CuBr2 + 2 HNO3 = Cu(NO3)2 + 2 HBr
CaO + Na2O = CaO2 + Na =>
CaO + Na2O = CaO2 + 2 Na
Ag(s) + HCl(l) = AgCl(aq) + H2(g) =>
2 Ag(s) + 2 HCl(l) = 2 AgCl(aq) + H2(g)
FeN2O6 + Na3PO4 = Fe3(PO4)2 + NaNO3 =>
3 FeN2O6 + 2 Na3PO4 = Fe3(PO4)2 + 6 NaNO3
Cu + NaClO + H2O = Cu(OH)2 + NaCl =>
Cu + NaClO + H2O = Cu(OH)2 + NaCl
Ca(NO3)2 + (NH4)2C2O4 = CaC2O4 + NH4(NO3) =>
Ca(NO3)2 + (NH4)2C2O4 = CaC2O4 + 2 NH4(NO3)
Na2Cr2O7 + H2S = Cr2S3 + S + Na2S + H2O =>
Na2Cr2O7 + 7 H2S = Cr2S3 + 3 S + Na2S + 7 H2O
Na2S + Ag + H2O + O2 = NaOH + Ag2S =>
2 Na2S + 4 Ag + 2 H2O + O2 = 4 NaOH + 2 Ag2S
HOCH2CH(OH)CH2OH + O2 = CO2 + H2O =>
2 HOCH2CH(OH)CH2OH + 7 O2 = 6 CO2 + 8 H2O
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