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2 HI + (NH4)2S(ag) = (H2)S(g) + 2 NH4I(ag)
RuO3 = Ru + O =>
RuO3 = Ru + 3 O
Hg(NO3)2 = HgO + NO2 + O =>
Hg(NO3)2 = HgO + 2 NO2 + O
SeO + O2 = SeO2 =>
2 SeO + O2 = 2 SeO2
HgI2 + O2 = HgO + I2 =>
2 HgI2 + O2 = 2 HgO + 2 I2
N + O = NO2 =>
N + 2 O = NO2
Zn3(PO4)2 = P2O5 + ZnO =>
Zn3(PO4)2 = P2O5 + 3 ZnO
Pb(CH3COO)2 + K2Cr2O7 + H2O = PbCrO4 + KCH3COO + CH3COOH =>
2 Pb(CH3COO)2 + K2Cr2O7 + H2O = 2 PbCrO4 + 2 KCH3COO + 2 CH3COOH
Te + KNO3 = TeO2 + KNO2 =>
Te + 2 KNO3 = TeO2 + 2 KNO2
CH4 + Br2 = CBr4 + HBr =>
CH4 + 4 Br2 = CBr4 + 4 HBr
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
LiBr(s) = Li(s) + Br2(g) =>
2 LiBr(s) = 2 Li(s) + Br2(g)
K2S + Ca(C2H3O2)2 = KC2H3O2 + CaS =>
K2S + Ca(C2H3O2)2 = 2 KC2H3O2 + CaS
Zn(SO4) + MgCl2 = ZnCl2 + Mg(SO4) =>
Zn(SO4) + MgCl2 = ZnCl2 + Mg(SO4)
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Ti(NO3)4 + Na3PO4 = Ti3(PO4)4 + NaNO3 =>
3 Ti(NO3)4 + 4 Na3PO4 = Ti3(PO4)4 + 12 NaNO3
Cr + NaCl = CrCl2 + Na =>
Cr + 2 NaCl = CrCl2 + 2 Na
Cu2S(l) + Cu2O(l) = Cu(l) + SO2(g) =>
Cu2S(l) + 2 Cu2O(l) = 6 Cu(l) + SO2(g)
HCO2H + NaOH = HCO2Na + H2O =>
HCO2H + NaOH = HCO2Na + H2O
CaCO3(s) + HCl = CaCl2 + CO2 + H2O =>
CaCO3(s) + 2 HCl = CaCl2 + CO2 + H2O
N2H4 + N2O4 = H2O + N2 =>
2 N2H4 + N2O4 = 4 H2O + 3 N2
Cr(NO3)3(aq) + FeSO4(aq) = Fe(NO3)2(aq) + Cr2(SO4)3(aq) =>
2 Cr(NO3)3(aq) + 3 FeSO4(aq) = 3 Fe(NO3)2(aq) + Cr2(SO4)3(aq)
Fe(OH)2 = FeO + H2O =>
Fe(OH)2 = FeO + H2O
Cu(NO3)2 + Na2SiO3 = CuSiO3 + NO3Na =>
Cu(NO3)2 + Na2SiO3 = CuSiO3 + 2 NO3Na
Na3PO4 + H2SO4 = Na2SO4 + H3PO4 =>
2 Na3PO4 + 3 H2SO4 = 3 Na2SO4 + 2 H3PO4
C6N6FeK3 + H2SO4 + H2O2 = K2SO4 + Fe2(SO4)3 + N2O + CO2 + H2O =>
2 C6N6FeK3 + 6 H2SO4 + 36 H2O2 = 3 K2SO4 + Fe2(SO4)3 + 6 N2O + 12 CO2 + 42 H2O
Zn + HI = ZnI2 + H2 =>
Zn + 2 HI = ZnI2 + H2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Li2O + F2 = LiF + O2 =>
2 Li2O + 2 F2 = 4 LiF + O2
HCH2CHCO3 + NaOH = NaCH2CHCO3 + H2O =>
HCH2CHCO3 + NaOH = NaCH2CHCO3 + H2O
Fe(OH)3 + H3PO4 = H3(OH)3 + FePO4 =>
Fe(OH)3 + H3PO4 = H3(OH)3 + FePO4
AgClO4 + H2SO4 = HClO4 + Ag2SO4 =>
2 AgClO4 + H2SO4 = 2 HClO4 + Ag2SO4
NH4NO3 + AlBr3 = NH4Br + Al(NO3)3 =>
3 NH4NO3 + AlBr3 = 3 NH4Br + Al(NO3)3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Sn{2+} + Hg2Cl2 + Cl{-} = Hg + [SnCl6]{2-} =>
Sn{2+} + Hg2Cl2 + 4 Cl{-} = 2 Hg + [SnCl6]{2-}
NCl3 + H2O = HClO + NH3 =>
NCl3 + 3 H2O = 3 HClO + NH3
Fe + Zn = FeZn =>
Fe + Zn = FeZn
CH3OH + KMnO4 + KOH = K2MnO4 + CO2 + H2O =>
CH3OH + 6 KMnO4 + 6 KOH = 6 K2MnO4 + CO2 + 5 H2O
PbS + CH3COOH = Pb(CH3COO)2 + H2S =>
PbS + 2 CH3COOH = Pb(CH3COO)2 + H2S
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
C2H5NO2 + HCl + Fe = C2H5NH2 + FeCl2 + H2O =>
C2H5NO2 + 6 HCl + 3 Fe = C2H5NH2 + 3 FeCl2 + 2 H2O
Ca5(PO4)3F(s) + H2SO4 = H3PO4 + HF + CaSO4 =>
Ca5(PO4)3F(s) + 5 H2SO4 = 3 H3PO4 + HF + 5 CaSO4
*Na + S = Na2S =>
2*Na + S = Na2S
Sb2O3(s) + NaOH(ac) = NaSbO2(ac) + H2O(i) =>
Sb2O3(s) + 2 NaOH(ac) = 2 NaSbO2(ac) + H2O(i)
NH3 + Cl2 = HCl + N2 =>
2 NH3 + 3 Cl2 = 6 HCl + N2
NaHCO3 + NH4OH = NaCO3 + NH4 + H2O =>
NaHCO3 + NH4OH = NaCO3 + NH4 + H2O
CH3OH2OH + O2 = H2O + CH3COOH =>
2 CH3OH2OH + O2 = 4 H2O + CH3COOH
CaCO3(s) + H2SO4(aq) = CaSO4(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + H2SO4(aq) = CaSO4(aq) + CO2(g) + H2O(l)
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