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2 KBF4 + 3 Al = AlB2 + 2 AlF3 + 2 KF
K2CO3 + Ca(NO3)2 = KNO3 + CaCO3 =>
K2CO3 + Ca(NO3)2 = 2 KNO3 + CaCO3
Al(OH)4{-} + H2SO4(aq) = Al(OH)3 + H2O + SO4{2-} =>
2 Al(OH)4{-} + H2SO4(aq) = 2 Al(OH)3 + 2 H2O + SO4{2-}
Sr(C2H3O2)2 + NH4Cl2 = SrCl2 + NH4(C2H3O2)2 =>
Sr(C2H3O2)2 + NH4Cl2 = SrCl2 + NH4(C2H3O2)2
KClO4 + NaClO3 = KClO3 + NaClO4 =>
KClO4 + NaClO3 = KClO3 + NaClO4
Mg + Cu3N = Mg3N2 + Cu =>
3 Mg + 2 Cu3N = Mg3N2 + 6 Cu
Al2S3 + H2O = Al(OH)3 + H2S(H2S) =>
2 Al2S3 + 12 H2O = 4 Al(OH)3 + 3 H2S(H2S)
Al2O3(a) = Al(s) + O2(g) =>
2 Al2O3(a) = 4 Al(s) + 3 O2(g)
(NH4)Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2(NH4)Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
PB5 + H2O4 = PB5O4 + H2O =>
3 PB5 + 4 H2O4 = 3 PB5O4 + 4 H2O
P + AgNO3 + H2O = Ag3 + H3PO2 + HNO3 =>
3 P + 3 AgNO3 + 6 H2O = Ag3 + 3 H3PO2 + 3 HNO3
Ba2S2 = Ba2 + S2 =>
Ba2S2 = Ba2 + S2
CaSO4*05H2O = CaSO4 + H2O =>
CaSO4*05H2O = CaSO4 + 5 H2O
Na(HCO3) + Ca(OH)2 = Ca(HCO3)2 + Na(OH) =>
2 Na(HCO3) + Ca(OH)2 = Ca(HCO3)2 + 2 Na(OH)
P + AgNO3 + H2O = Ag3 + H3PO2 + HNO3 =>
3 P + 3 AgNO3 + 6 H2O = Ag3 + 3 H3PO2 + 3 HNO3
C2H2 + CaC2 = C2C2 + CaH2 =>
C2H2 + CaC2 = C2C2 + CaH2
K2Cr2O7 + (NH4)2S + H2O = Cr(OH)3 + S + NH4OH + KOH =>
K2Cr2O7 + 3(NH4)2S + 7 H2O = 2 Cr(OH)3 + 3 S + 6 NH4OH + 2 KOH
HI + CaS = HS + CaI =>
HI + CaS = HS + CaI
Cu2 + H2(SO4) = Cu(SO4) + H2O + SO2 =>
Cu2 + 4 H2(SO4) = 2 Cu(SO4) + 4 H2O + 2 SO2
Cu2S + AgNO3 = CuNO3 + Ag2S =>
Cu2S + 2 AgNO3 = 2 CuNO3 + Ag2S
SiCl4 + O = SiO2 + Cl =>
SiCl4 + 2 O = SiO2 + 4 Cl
NaCl + H2O + C6H6 = C6H4Cl2 + H2 + NaOH =>
2 NaCl + 2 H2O + C6H6 = C6H4Cl2 + 2 H2 + 2 NaOH
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NaHSO4 + NaOH = Na2SO4 + H2O =>
NaHSO4 + NaOH = Na2SO4 + H2O
Ba + H2 = BaH2 =>
Ba + H2 = BaH2
NaOHCO3 + H3C6H5O7 = CO2 + H2O + Na3C6H5O7 =>
9 NaOHCO3 + 4 H3C6H5O7 = 15 CO2 + 13 H2O + 3 Na3C6H5O7
Pb2O4 + CO = Pb + CO2 =>
Pb2O4 + 4 CO = 2 Pb + 4 CO2
MgI + SnCl = MgCl + SnI =>
MgI + SnCl = MgCl + SnI
CaCl2*H2O + Na2CO3*10H2O = CaCO3 + NaCl + H2O =>
CaCl2*H2O + Na2CO3*10H2O = CaCO3 + 2 NaCl + 11 H2O
CH3COO{-} + H3O{+} = CH3COOH + H2O =>
CH3COO{-} + H3O{+} = CH3COOH + H2O
Ni(NO3)2 + KCN = Ni(CN)2 + KNO3 =>
Ni(NO3)2 + 2 KCN = Ni(CN)2 + 2 KNO3
FeS + NH4Cl = FeCl2 + (NH4)2S =>
FeS + 2 NH4Cl = FeCl2 + (NH4)2S
NaHSO4 + NaOH = Na2SO4 + H2O =>
NaHSO4 + NaOH = Na2SO4 + H2O
Na2C4H4O6 + Hg(NO3)2 = NaNO3 + C4H4HgO6 =>
Na2C4H4O6 + Hg(NO3)2 = 2 NaNO3 + C4H4HgO6
CH3CH2Cl + AgNO3 = CH3CH2NO3 + AgCl =>
CH3CH2Cl + AgNO3 = CH3CH2NO3 + AgCl
CaI2 + K = KI + Ca =>
CaI2 + 2 K = 2 KI + Ca
C + S8 = CS2 =>
4 C + S8 = 4 CS2
KClO3 + SO2 + H2O = Cl2 + K2SO4 + H2SO4 =>
2 KClO3 + 5 SO2 + 4 H2O = Cl2 + K2SO4 + 4 H2SO4
Sr(C2H3O2)2 + NH4Cl2 = SrCl2 + NH4(C2H3O2)2 =>
Sr(C2H3O2)2 + NH4Cl2 = SrCl2 + NH4(C2H3O2)2
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
SiCl4 + O = SiO2 + Cl =>
SiCl4 + 2 O = SiO2 + 4 Cl
Ni(NO3)2 + KCN = K2[Ni(CN)4] + KNO3 =>
Ni(NO3)2 + 4 KCN = K2[Ni(CN)4] + 2 KNO3
(C6H5CH3) + O2 = CO + H2O =>
2(C6H5CH3) + 11 O2 = 14 CO + 8 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
P + AgNO3 + H2O = Ag3 + H3PO2 + HNO3 =>
3 P + 3 AgNO3 + 6 H2O = Ag3 + 3 H3PO2 + 3 HNO3
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
NaHSO4 + NaOH = Na2SO4 + H2O =>
NaHSO4 + NaOH = Na2SO4 + H2O
CrCl3 + H2O2 + NaOH = NaCrO4 + NaCl + H2O =>
CrCl3 + 2 H2O2 + 4 NaOH = NaCrO4 + 3 NaCl + 4 H2O
KClO4 + NaClO3 = KClO3 + NaClO4 =>
KClO4 + NaClO3 = KClO3 + NaClO4
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