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BeCl2 + Na2S = BeS + 2 NaCl
Bi(NO3)2 + KI = BiI2 + KNO3 =>
Bi(NO3)2 + 2 KI = BiI2 + 2 KNO3
Na2WO4*2H2O + Cu(NO3)2*3H2O = CuWO4 + NaNO3 + H2O =>
Na2WO4*2H2O + Cu(NO3)2*3H2O = CuWO4 + 2 NaNO3 + 5 H2O
Sn + H2SO4 = Sn(SO4)2 + SO2 + H20O =>
19 Sn + 40 H2SO4 = 19 Sn(SO4)2 + 2 SO2 + 4 H20O
CrSO4 + H2SO4 = Cr2(SO4)3 + H2S + H2O =>
8 CrSO4 + 5 H2SO4 = 4 Cr2(SO4)3 + H2S + 4 H2O
K2SO4 = O2 + K2S =>
K2SO4 = 2 O2 + K2S
Al(OH)3 + C2O4{2-} + H2C2O4 = Al(C2O4)3{3-} + H2O =>
2 Al(OH)3 + 3 C2O4{2-} + 3 H2C2O4 = 2 Al(C2O4)3{3-} + 6 H2O
Na2CO3 + HNO3 = CO2 + H2O + NaNO3 =>
Na2CO3 + 2 HNO3 = CO2 + H2O + 2 NaNO3
Fe(s) + O = Fe2O3(s) =>
2 Fe(s) + 3 O = Fe2O3(s)
Li20 + CO2 = LiC + O3 =>
3 Li20 + 60 CO2 = 60 LiC + 40 O3
NiC2O4H4O2 + O2 = Ni2O3 + H2O + CO2 =>
4 NiC2O4H4O2 + 3 O2 = 2 Ni2O3 + 8 H2O + 8 CO2
Al2(CO3)3 + SrBr2 = SrCO3 + AlBr3 =>
Al2(CO3)3 + 3 SrBr2 = 3 SrCO3 + 2 AlBr3
CaCO3 + CH3COOH = Ca(CH3COO)2 + H2O + CO2 =>
CaCO3 + 2 CH3COOH = Ca(CH3COO)2 + H2O + CO2
C8H8O3 + H2O2 = C14H14O6 + H2O =>
7 C8H8O3 + 3 H2O2 = 4 C14H14O6 + 3 H2O
Ca2Al2Si3O10(OH)2 + H4SiO4 + H = Al2Si4O10(OH)4 + Ca + H2O =>
Ca2Al2Si3O10(OH)2 + H4SiO4 + 2 H = Al2Si4O10(OH)4 + 2 Ca + 2 H2O
Pb(NO3)2 + K2Cr2O7 = PbCr2O7 + KNO3 =>
Pb(NO3)2 + K2Cr2O7 = PbCr2O7 + 2 KNO3
CH3COOC2H5 + O2 = CO2 + H2O =>
CH3COOC2H5 + 5 O2 = 4 CO2 + 4 H2O
BeS + Na3N = Be3N2 + Na2S =>
3 BeS + 2 Na3N = Be3N2 + 3 Na2S
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Al + HBr = AlBr3 + H2 = =>
2 Al + 6 HBr = 2 AlBr3 + 3 H2
C20H39O3Na + C2H6O2 = C22H45O5Na =>
C20H39O3Na + C2H6O2 = C22H45O5Na
Zn(s) + I2(g) = ZnI2(aq) =>
Zn(s) + I2(g) = ZnI2(aq)
CrO4 + Cu + H2O = Cr(OH)3 + Cu(OH)2 =>
2 CrO4 + 5 Cu + 8 H2O = 2 Cr(OH)3 + 5 Cu(OH)2
K + HO = HKO =>
K + HO = HKO
H2S + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + Na2SO4 =>
3 H2S + 4 Na2Cr2O7 + 13 H2SO4 = 4 Cr2(SO4)3 + 16 H2O + 4 Na2SO4
C6H5Cl + O2 = CO + H2O + Cl21 =>
84 C6H5Cl + 357 O2 = 504 CO + 210 H2O + 4 Cl21
Na + SO3 = Na2S + O2 =>
4 Na + 2 SO3 = 2 Na2S + 3 O2
Cr2O72{-} + H2C2O4 + H{+} = Cr3{+} + CO2 + H2O =>
6 Cr2O72{-} + 427 H2C2O4 + 10 H{+} = 4 Cr3{+} + 854 CO2 + 432 H2O
FeS + HNO3 = Fe(NO3)3 + NO2 + Fe2(SO4)3 + H2O =>
3 FeS + 30 HNO3 = Fe(NO3)3 + 27 NO2 + Fe2(SO4)3 + 15 H2O
Ba + In(NO3)3 = Ba(NO3)2 + In =>
3 Ba + 2 In(NO3)3 = 3 Ba(NO3)2 + 2 In
CaS + Br2 = CaBr2 + S2 =>
2 CaS + 2 Br2 = 2 CaBr2 + S2
Fe + CuSO4H2O = Cu + FeSO4 + H2O =>
Fe + CuSO4H2O = Cu + FeSO4 + H2O
PbCl2(s) + Li2SO4(aq) = PbSO4(s) + LiCl(aq) =>
PbCl2(s) + Li2SO4(aq) = PbSO4(s) + 2 LiCl(aq)
C7H15NO2 + O2 = CO2 + H2O + N2 =>
4 C7H15NO2 + 39 O2 = 28 CO2 + 30 H2O + 2 N2
Ba(OH)2 + ZnSO4 = Ba2(SO4)2 + Zn(OH)2 =>
2 Ba(OH)2 + 2 ZnSO4 = Ba2(SO4)2 + 2 Zn(OH)2
CuSO4 + HIO3 + H2SO4 = I2 + Cu2(SO4)3 + H2O =>
10 CuSO4 + 2 HIO3 + 5 H2SO4 = I2 + 5 Cu2(SO4)3 + 6 H2O
Al2O3 + CuCl2 + H2O = Cu(OH)2 + Cu(AlCl4)2 =>
Al2O3 + 4 CuCl2 + 3 H2O = 3 Cu(OH)2 + Cu(AlCl4)2
CuSO4(aq) + K4Fe(CN)6(aq) = Cu2Fe(CN)6 + K2SO4 =>
2 CuSO4(aq) + K4Fe(CN)6(aq) = Cu2Fe(CN)6 + 2 K2SO4
Calciumhydride + water = calciumhydroxide + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
CaOH2O = Ca(OH)2 =>
CaOH2O = Ca(OH)2
Cr2O7{2-} + H{+} + F{-} = Cr{3+} + F2 + H2O =>
Cr2O7{2-} + 14 H{+} + 6 F{-} = 2 Cr{3+} + 3 F2 + 7 H2O
HCl + NH2CO3 = NHCl + H2O + CO2 =>
HCl + NH2CO3 = NHCl + H2O + CO2
Cu2O + H2S = CuS + H2O2 + H2 =>
2 Cu2O + 4 H2S = 4 CuS + H2O2 + 3 H2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Al + O2O2 = Al2O3 =>
8 Al + 3 O2O2 = 4 Al2O3
HI(aq) + HNO3(aq) = I2(aq) + NO(g) + H2O(l) =>
6 HI(aq) + 2 HNO3(aq) = 3 I2(aq) + 2 NO(g) + 4 H2O(l)
KAl(SO4)2 + NaCl = Na2SO4 + K + Cl + Al =>
KAl(SO4)2 + 4 NaCl = 2 Na2SO4 + K + 4 Cl + Al
C20H14O4 + NH4OH = NH4OHC20H14O4 =>
C20H14O4 + NH4OH = NH4OHC20H14O4
Fe + H2S04 = FeS + H2 =>
4 Fe + H2S04 = 4 FeS + H2
CrO3 + NH3 = CrO2 + N2 + H2O =>
3 CrO3 + 2 NH3 = 3 CrO2 + N2 + 3 H2O
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