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2 Se2O3 + 4 H2O = 4 SeH2 + 5 O2
CH3COOH + CH3(CH2)2CH2OH = CH3COOCH2(CH2)2CH3 + H2O =>
CH3COOH + CH3(CH2)2CH2OH = CH3COOCH2(CH2)2CH3 + H2O
Ga + H2SO4 = Ga2(SO4)3 + H2 =>
2 Ga + 3 H2SO4 = Ga2(SO4)3 + 3 H2
Ag + FeSO4 = Fe + Ag2SO4 =>
2 Ag + FeSO4 = Fe + Ag2SO4
Al(OH) + HCN = Al(CN) + H2O =>
Al(OH) + HCN = Al(CN) + H2O
Ba + SO4 = Ba(SO4) =>
Ba + SO4 = Ba(SO4)
Cl + Ba(NO3)2 = BaCl + NO3 =>
Cl + Ba(NO3)2 = BaCl + 2 NO3
C4H9BrAgNO3C2H6O = C6H14OAgBrHNO3 =>
C4H9BrAgNO3C2H6O = C6H14OAgBrHNO3
Zn(OH)2 + H3BO3 = Zn3(BO3)2 + H2O =>
3 Zn(OH)2 + 2 H3BO3 = Zn3(BO3)2 + 6 H2O
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
Cr2O3 + Na2CO3 + KNO3 = Na2CrO4 + CO2 + KNO2 =>
Cr2O3 + 2 Na2CO3 + 3 KNO3 = 2 Na2CrO4 + 2 CO2 + 3 KNO2
CH3CH2COOHNaOCl = CH3CH2COONaHOCl =>
CH3CH2COOHNaOCl = CH3CH2COONaHOCl
CuOSn = SnCuO =>
CuOSn = SnCuO
K2ZnO2 + H2O = Zn(OH)2 + KOH =>
K2ZnO2 + 2 H2O = Zn(OH)2 + 2 KOH
Pb(NO3)2BaCl2 = Pb(Cl2)Ba(NO3)2 =>
Pb(NO3)2BaCl2 = Pb(Cl2)Ba(NO3)2
potassiumnitrate + Na2CrO4 = sodiumnitrate + K2CrO4 =>
2 KNO3 + Na2CrO4 = 2 NaNO3 + K2CrO4
Cu(CH3COO)2 + NaOH = Cu(OH)2 + NaCH3COO =>
Cu(CH3COO)2 + 2 NaOH = Cu(OH)2 + 2 NaCH3COO
KOH + HBr = KBr + H2O = =>
KOH + HBr = KBr + H2O
Cr(OH)3 + K2CO3 = KCrO2 + H2O + CO2 =>
2 Cr(OH)3 + K2CO3 = 2 KCrO2 + 3 H2O + CO2
AlBr3 + Sr3N2 = AlN + SrBr2 =>
2 AlBr3 + Sr3N2 = 2 AlN + 3 SrBr2
Zn(C2H3O2)2 = Zn + C2H3O2 =>
Zn(C2H3O2)2 = Zn + 2 C2H3O2
Mn + Cr(NO3)2 = Mn(NO3)3 + Cr =>
2 Mn + 3 Cr(NO3)2 = 2 Mn(NO3)3 + 3 Cr
FeSO4 + H2O2 = Fe(SO4)3 + Fe(OH)3 =>
3 FeSO4 + 3 H2O2 = Fe(SO4)3 + 2 Fe(OH)3
KO2 + CO5 = K3C2O + O5 =>
3 KO2 + 2 CO5 = K3C2O + 3 O5
NaAlO2 + Na2SiO3 + H2O = Na2Al2Si2O8 + NaOH =>
2 NaAlO2 + 2 Na2SiO3 + 2 H2O = Na2Al2Si2O8 + 4 NaOH
Ba(OH)2 + Al(OH)3 = Ba(AlO2)2 + H2O =>
Ba(OH)2 + 2 Al(OH)3 = Ba(AlO2)2 + 4 H2O
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
HNO3 + K2CrO4 + H2S = Cr(NO3)3 + KNO3 + S + H2O =>
10 HNO3 + 2 K2CrO4 + 3 H2S = 2 Cr(NO3)3 + 4 KNO3 + 3 S + 8 H2O
H3PO4 + (NH4)6Mo7O24 + HNO3 = (NH4)3[PMo12O40] + NH4NO3 + H2O =>
7 H3PO4 + 12(NH4)6Mo7O24 + 51 HNO3 = 7(NH4)3[PMo12O40] + 51 NH4NO3 + 36 H2O
Ca(OH)2 + Mg(HCO3)2 = CaCO3 + MgCO3 + H2O =>
Ca(OH)2 + Mg(HCO3)2 = CaCO3 + MgCO3 + 2 H2O
PCl5 + NaOH = NaCl + H2O + Na3PO4 =>
PCl5 + 8 NaOH = 5 NaCl + 4 H2O + Na3PO4
Al(NO3)3 + H2SO4 = Al2(SO4)3 + HNO3 =>
2 Al(NO3)3 + 3 H2SO4 = Al2(SO4)3 + 6 HNO3
CS2 + Cl = CCl4 + SCl2 =>
CS2 + 8 Cl = CCl4 + 2 SCl2
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Cl2 + KOH = KCl + KClO + H2O =>
Cl2 + 2 KOH = KCl + KClO + H2O
K3PO4 + FeCl3 = FePO4 + KCl =>
K3PO4 + FeCl3 = FePO4 + 3 KCl
sodium + bromine = sodiumbromide =>
2 Na + Br2 = 2 NaBr
HCl + Na2SO3 = NaCl + O2 + H2S =>
4 HCl + 2 Na2SO3 = 4 NaCl + 3 O2 + 2 H2S
K3PO4(aq) + CuCr2O7(aq) = K2Cr2O7(aq) + Cu3(PO4)2 =>
2 K3PO4(aq) + 3 CuCr2O7(aq) = 3 K2Cr2O7(aq) + Cu3(PO4)2
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
CH2CHCOOH + CH2CHCH2OH = CH2CHCOH2CHCH2C + H2O =>
CH2CHCOOH + 3 CH2CHCH2OH = 2 CH2CHCOH2CHCH2C + 3 H2O
CuCl + CrO3 = CuO + CrCl3 =>
3 CuCl + CrO3 = 3 CuO + CrCl3
CdCl2 + NH4OH = Cd(OH)2 + (NH4)(Cl) =>
CdCl2 + 2 NH4OH = Cd(OH)2 + 2(NH4)(Cl)
KCl + H2O = K + ClOH2 =>
KCl + H2O = K + ClOH2
CuCl2 + F = CuF2 + Cl2 =>
CuCl2 + 2 F = CuF2 + Cl2
C2H5OH + Cl2 + NaOH = CHCl3 + CO2HNa + H2ONaCl =>
C2H5OH + 4 Cl2 + 6 NaOH = CHCl3 + CO2HNa + 5 H2ONaCl
CH3MgI + C2H2 = H3CCCH3 + MgI =>
6 CH3MgI + 3 C2H2 = 4 H3CCCH3 + 6 MgI
NaHCO3(s)HCl(aq) = NaCl(aq)H2O(l)CO2(aq) =>
NaHCO3(s)HCl(aq) = NaCl(aq)H2O(l)CO2(aq)
Ti + HCl = H3TiCl6 + H2 =>
2 Ti + 12 HCl = 2 H3TiCl6 + 3 H2
CrCl3 + H3PO4 = Cr5(P3O10)3 + H2O + HCl =>
5 CrCl3 + 9 H3PO4 = Cr5(P3O10)3 + 6 H2O + 15 HCl
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