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Pb + 2 H2S = PbS2 + 4 H
NaCH3COO + HI = NaI + CH3COOH =>
NaCH3COO + HI = NaI + CH3COOH
NaClO3 + NaI + H2O = NaCl + I2 + NaOH =>
NaClO3 + 6 NaI + 3 H2O = NaCl + 3 I2 + 6 NaOH
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
C6H5C2H2 + KMnO4 + H2O = C6H5C2H3(OH)2 + KOH + MnO3 =>
C6H5C2H2 + KMnO4 + 2 H2O = C6H5C2H3(OH)2 + KOH + MnO3
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
CH3CH2CH2CCH + NH3 = CH3CH2CH2CH2CCH3 + NH2 =>
6 CH3CH2CH2CCH + 12 NH3 = 5 CH3CH2CH2CH2CCH3 + 12 NH2
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
NiCl2 + NH4OH = Ni(NH3)(H2O) + Cl2 =>
NiCl2 + NH4OH = Ni(NH3)(H2O) + Cl2
(NH4)2SO3 + KMnO4 + H2SO4 = (NH4)2SO4 + MnSO4 + K2SO4 + H2O =>
5(NH4)2SO3 + 2 KMnO4 + 3 H2SO4 = 5(NH4)2SO4 + 2 MnSO4 + K2SO4 + 3 H2O
Al2O3 + SO2 + O2 = Al2(SO4)3 =>
2 Al2O3 + 6 SO2 + 3 O2 = 2 Al2(SO4)3
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Pb + AgNO3 = Pb(NO3)2 + Ag =>
Pb + 2 AgNO3 = Pb(NO3)2 + 2 Ag
O2(g) = O3(g) =>
3 O2(g) = 2 O3(g)
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Cr + AuCl3 = Au + CrCl =>
3 Cr + AuCl3 = Au + 3 CrCl
C6H5COOH + CH3COOH = C7H8C2O4H2 =>
C6H5COOH + CH3COOH = C7H8C2O4H2
Pb(NO3)2 + H2 = HNO3 + Pb =>
Pb(NO3)2 + H2 = 2 HNO3 + Pb
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
NH3 + I2 = N2I6 + H2 =>
2 NH3 + 3 I2 = N2I6 + 3 H2
Si2H3 + O2 = SiO2 + H2O3 =>
4 Si2H3 + 17 O2 = 8 SiO2 + 6 H2O3
CuO + HClO3 = Cu + HClO4 =>
CuO + HClO3 = Cu + HClO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CH3CHO + CH4 = CH2CH2 + H2O =>
2 CH3CHO + 2 CH4 = 3 CH2CH2 + 2 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
(NH4)2SO4NaCl = (NH4)2ClNaSO4 =>
(NH4)2SO4NaCl = (NH4)2ClNaSO4
Na2S + H2SO4 = Na2SO4 + H2S =>
Na2S + H2SO4 = Na2SO4 + H2S
HCI + CaCO3 = CaCI2 + H2O + CO =>
2 HCI + CaCO3 = CaCI2 + H2O + 2 CO
LiOH + H2CrO4 = H2O + Li2CrO4 =>
2 LiOH + H2CrO4 = 2 H2O + Li2CrO4
NO3{-} + H{+} + C6H11O = CO2 + H2O + N2 =>
66 NO3{-} + 66 H{+} + 10 C6H11O = 60 CO2 + 88 H2O + 33 N2
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Mg + Co(NO3)2 = Mg(NO3)2 + Co =>
Mg + Co(NO3)2 = Mg(NO3)2 + Co
Li2CO3(s) + H2SO4 = Li2SO4 + CO2 + H2O(l) =>
Li2CO3(s) + H2SO4 = Li2SO4 + CO2 + H2O(l)
C6H6CH3 + NaOH = C6H6CH3OH + Na =>
C6H6CH3 + NaOH = C6H6CH3OH + Na
Fe(CH3COO)2 + H2O2 + CH3COOH = Fe(CH3COO)3 + H2O =>
2 Fe(CH3COO)2 + H2O2 + 2 CH3COOH = 2 Fe(CH3COO)3 + 2 H2O
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
C2H6 + O2 = H2O + CO2 =>
2 C2H6 + 7 O2 = 6 H2O + 4 CO2
Sb + O2 = Sb2O5 =>
4 Sb + 5 O2 = 2 Sb2O5
CuI = Cu + CuI2 =>
2 CuI = Cu + CuI2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Na2CO3 + H2SO4 = H2CO3 + Na2SO4 =>
Na2CO3 + H2SO4 = H2CO3 + Na2SO4
MgCO3 + H2O + CO2 = Mg(HCO3)2 =>
MgCO3 + H2O + CO2 = Mg(HCO3)2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Cr(OH)3(s) = Cr2O3 + H2O =>
2 Cr(OH)3(s) = Cr2O3 + 3 H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
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