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3 NO2 + H2O = 2 HNO3 + NO
H2SO3 + H2S = H2O + S =>
H2SO3 + 2 H2S = 3 H2O + 3 S
CH3OH + KCH3 = CH3 + KOH =>
CH3OH + KCH3 = 2 CH3 + KOH
Fe(OH)3 + FeO = Fe2O3 + H2 =>
2 Fe(OH)3 + 6 FeO = 4 Fe2O3 + 3 H2
NaCl(s) + H2O(l) = NaOH(aq) + Cl2(g) + H2(g) =>
2 NaCl(s) + 2 H2O(l) = 2 NaOH(aq) + Cl2(g) + H2(g)
NH4Cl + Al(OH)3 + H2O = AlCl3H12O6 + NH4OH =>
3 NH4Cl + Al(OH)3 + 6 H2O = AlCl3H12O6 + 3 NH4OH
CO2 = CO + O2 =>
2 CO2 = 2 CO + O2
Na2S + Cr2O3 = Na2O + Cr2S3 =>
3 Na2S + Cr2O3 = 3 Na2O + Cr2S3
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
As + NaHO = Na3AsO3 + H2 =>
2 As + 6 NaHO = 2 Na3AsO3 + 3 H2
Cl2 + Br2 = Cl7Br2 =>
7 Cl2 + 2 Br2 = 2 Cl7Br2
Co(OH)2 + Ni2O5 = CoO + Ni(OH)5 =>
5 Co(OH)2 + Ni2O5 = 5 CoO + 2 Ni(OH)5
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
K2Cr2O7 + CH3CHO + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 3 CH3CHO + 4 H2SO4 = 3 CH3COOH + Cr2(SO4)3 + K2SO4 + 4 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
AsO34{-} + I{-} + H{+} = As033{-} + I2 + H2O =>
33 AsO34{-} + 2212 I{-} + 2244 H{+} = As033{-} + 1106 I2 + 1122 H2O
K2CO3 + HOH = KOH + H2CO3 =>
K2CO3 + 2 HOH = 2 KOH + H2CO3
F2 + AlCl3 = FCl + Al =>
3 F2 + 2 AlCl3 = 6 FCl + 2 Al
BaS + Cs = CsS + Ba =>
BaS + Cs = CsS + Ba
C8(H)18 + O2 = CO + H2(O) =>
2 C8(H)18 + 17 O2 = 16 CO + 18 H2(O)
NaI + Hg(C2H3O2)2 = HgI2 + Na(C2H3O2) =>
2 NaI + Hg(C2H3O2)2 = HgI2 + 2 Na(C2H3O2)
HNO3 + Hg + H2SO4 = HgSO4 + N2O + H2O =>
2 HNO3 + 4 Hg + 4 H2SO4 = 4 HgSO4 + N2O + 5 H2O
Fe2(OH)2 + O2 + H2O = Fe(OH)3 =>
Fe2(OH)2 + O2 + 2 H2O = 2 Fe(OH)3
Cd(s) + Zn(NO3)2 = Cd(NO3)2 + Zn =>
Cd(s) + Zn(NO3)2 = Cd(NO3)2 + Zn
MgCl2 + AgNO3 = AgCl + Mg(NO3)2 = =>
MgCl2 + 2 AgNO3 = 2 AgCl + Mg(NO3)2
Cu + CuSO4 = CuO + SO2 =>
Cu + CuSO4 = 2 CuO + SO2
(NH4)2SO4 + Cu(ClO3)2 = (NH4)2(ClO3)2 + CuSO4 =>
(NH4)2SO4 + Cu(ClO3)2 = (NH4)2(ClO3)2 + CuSO4
N2Cl4 + CH4 = N6 + H12 + Cl12C3 =>
3 N2Cl4 + 3 CH4 = N6 + H12 + Cl12C3
CaO + Sm2O3 + ZrO2 = CaSm2Zr3O10 =>
CaO + Sm2O3 + 3 ZrO2 = CaSm2Zr3O10
BaBr2 + KCH3COO = Ba(CH3COO)2 + KBr =>
BaBr2 + 2 KCH3COO = Ba(CH3COO)2 + 2 KBr
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
HC2H3O2 + LiHSO3 = H2SO3 + LiH(C2H3O2)2 =>
2 HC2H3O2 + LiHSO3 = H2SO3 + LiH(C2H3O2)2
N2H4 + Cl2 = NH4Cl + N2 =>
2 N2H4 + Cl2 = 2 NH4Cl + N2
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
Fe(CH3CO2)3 + CoI2 = FeI3 + Co(CH3CO2)2 =>
2 Fe(CH3CO2)3 + 3 CoI2 = 2 FeI3 + 3 Co(CH3CO2)2
Sn(NO3)2 + K2S = SnS + KNO3 =>
Sn(NO3)2 + K2S = SnS + 2 KNO3
CH3CH2CH2COOH + NaOH = HCOONa + CH3CH2CH2OH =>
CH3CH2CH2COOH + NaOH = HCOONa + CH3CH2CH2OH
PB(NO3)2 + LK = PBL2 + KNO3 =>
PB(NO3)2 + 2 LK = PBL2 + 2 KNO3
Fe(s) + SnCl4(aq) = Sn(s) + FeCl2(aq) =>
2 Fe(s) + SnCl4(aq) = Sn(s) + 2 FeCl2(aq)
FeS + HNO3 = Fe(NO3)3 + H2SO4 + NO2 + H2O =>
FeS + 12 HNO3 = Fe(NO3)3 + H2SO4 + 9 NO2 + 5 H2O
K2Cr2O7 + KI + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + I2 =>
K2Cr2O7 + 6 KI + 7 H2SO4 = 4 K2SO4 + Cr2(SO4)3 + 7 H2O + 3 I2
C4H8 + O2 = C4 + OH4 =>
C4H8 + O2 = C4 + 2 OH4
FeSO4H2O = FeSO4 + H2O =>
FeSO4H2O = FeSO4 + H2O
C4H6O5 = CO2 + CH3COOH =>
2 C4H6O5 = 2 CO2 + 3 CH3COOH
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Cl2 + NaOH = HCl + NaO =>
Cl2 + 2 NaOH = 2 HCl + 2 NaO
Mn + Cl2 + KOH = K2MnO4 + KCl + H2O =>
Mn + 3 Cl2 + 8 KOH = K2MnO4 + 6 KCl + 4 H2O
KHC8H4O4 + Mg(OH)2 = K2Mg + H2O + C8H4O4 =>
2 KHC8H4O4 + Mg(OH)2 = K2Mg + 2 H2O + 2 C8H4O4
K2Cr2O7 + H2SO4 + CH3CH2OH = CH3CHO + KCr(SO4)2 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 CH3CH2OH = 3 CH3CHO + 2 KCr(SO4)2 + 7 H2O
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
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