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4 B + 3 SiO2 = 3 Si + 2 B2O3
LiOH + Pb(NO2)2 = Li(NO2)2 + PbOH =>
LiOH + Pb(NO2)2 = Li(NO2)2 + PbOH
Be + HI = BeI + H =>
Be + HI = BeI + H
HN3 + OH = H2O + N =>
HN3 + OH = H2O + 3 N
Al2O3 + NH4HSO4 = Al2(SO4)3 + NH3 + H2O =>
Al2O3 + 3 NH4HSO4 = Al2(SO4)3 + 3 NH3 + 3 H2O
C2H6 + Cl = C2H5Cl + H2 =>
2 C2H6 + 2 Cl = 2 C2H5Cl + H2
HCOO + H2O = H3O + COO =>
HCOO + H2O = H3O + COO
Mg + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg + 2 H3PO4 = Mg3(PO4)2 + 3 H2
NH4 + Ca(OH)2 = NH3 + Ca + H2O =>
2 NH4 + Ca(OH)2 = 2 NH3 + Ca + 2 H2O
Mg(OH)2 + C2H5OH = Mg(OH)4 + C2H5 =>
Mg(OH)2 + 2 C2H5OH = Mg(OH)4 + 2 C2H5
FeCl2 + Na2CO3 = NaCl + FeCO3 =>
FeCl2 + Na2CO3 = 2 NaCl + FeCO3
Cr2(SO4)3 + BaCl2 = Cr2Cl2 + Ba(SO4)3 =>
Cr2(SO4)3 + BaCl2 = Cr2Cl2 + Ba(SO4)3
Na2CO3 + SiO2 = Si(CO3)2 + Na2O =>
2 Na2CO3 + SiO2 = Si(CO3)2 + 2 Na2O
Ba(OH)2 + H2PO4 = BaPO4 + H2O =>
Ba(OH)2 + H2PO4 = BaPO4 + 2 H2O
Cu(s) + Ag{+}(aq) = Cu{+2}(aq) + Ag(s) =>
Cu(s) + 2 Ag{+}(aq) = Cu{+2}(aq) + 2 Ag(s)
P2O5 + CaCO3 = Ca3(PO4)2 + CO2 =>
P2O5 + 3 CaCO3 = Ca3(PO4)2 + 3 CO2
C57H106O10 + O2 = CO2 + H2O =>
2 C57H106O10 + 157 O2 = 114 CO2 + 106 H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
Al(OH)3 + HNO3 = Al(OH)(NO3)2 + H2O =>
Al(OH)3 + 2 HNO3 = Al(OH)(NO3)2 + 2 H2O
O2 + I{-} + H{+} = I2 + H2O = CO2 + H2O =>
O2 + 4 I{-} + 4 H{+} = 2 I2 + 2 H2O
Ca3N2 + H2O = Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3
NH4OH + O2 = NO + H2O =>
4 NH4OH + 5 O2 = 4 NO + 10 H2O
MgO(s) + H2O(l) = Mg{2+}(aq) + OH{-} =>
MgO(s) + H2O(l) = Mg{2+}(aq) + 2 OH{-}
C3H7OH + Cr2O72{-} + H{+} = Cr3{+} + C3H6O2 + H2O =>
427 C3H7OH + 12 Cr2O72{-} + 20 H{+} = 8 Cr3{+} + 427 C3H6O2 + 437 H2O
Cu2S + HNO3 = Cu(NO3)2 + S02 + H2O + NO =>
6 Cu2S + 32 HNO3 = 12 Cu(NO3)2 + 3 S02 + 16 H2O + 8 NO
C4H9COOH + C3H7OH = C4H9COOC3H7 + H2O =>
C4H9COOH + C3H7OH = C4H9COOC3H7 + H2O
Ag + N2O + O2 = AgNO3 =>
4 Ag + 2 N2O + 5 O2 = 4 AgNO3
RbO2 = Rb + O =>
RbO2 = Rb + 2 O
BaS + H2SO4 = BaSO4 + SH2 =>
BaS + H2SO4 = BaSO4 + SH2
HBr + KBrO3 = H2O + Br2 + KBr =>
6 HBr + KBrO3 = 3 H2O + 3 Br2 + KBr
CaCl2 + H2O = CaOHCl + HCl =>
CaCl2 + H2O = CaOHCl + HCl
Co + Cl2 + NaOH = Co(OH)2 + NaCl =>
Co + Cl2 + 2 NaOH = Co(OH)2 + 2 NaCl
KNO3 + LiBr = Li(NO3) + KBr =>
KNO3 + LiBr = Li(NO3) + KBr
NH4Cl + H2O = NH4 + HCl + O =>
2 NH4Cl + H2O = 2 NH4 + 2 HCl + O
K2S = K + S2 =>
2 K2S = 4 K + S2
H3 + PO4 = H4P2O7 + H2O =>
2 H3 + 2 PO4 = H4P2O7 + H2O
H{3}PO{4} + KOH = K{3}PO{4} + HOH =>
H{3}PO{4} + KOH = K{3}PO{4} + HOH
C3H6O3 + NO3{-} + H{+} = CO2 + N2 + H2O =>
5 C3H6O3 + 12 NO3{-} + 12 H{+} = 15 CO2 + 6 N2 + 21 H2O
H2CO3 + AlCl3 = Al2(CO3)3 + HCl =>
3 H2CO3 + 2 AlCl3 = Al2(CO3)3 + 6 HCl
FeCl3(aq) + NaOH(aq) = Fe(OH)3(s) + NaCl(aq) = Fe(OH)3(s) + NaCl(aq) =>
FeCl3(aq) + 3 NaOH(aq) = Fe(OH)3(s) + 3 NaCl(aq)
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Be2SiO3 = Be + Si + O2 =>
2 Be2SiO3 = 4 Be + 2 Si + 3 O2
Al2(CO3)3 + H2SO4 = Al2(SO4)3 + CO2 + H2O =>
Al2(CO3)3 + 3 H2SO4 = Al2(SO4)3 + 3 CO2 + 3 H2O
Si + HF = SiF4 + H2 =>
Si + 4 HF = SiF4 + 2 H2
Fe(OH)3 + NH3 = Fe(NH3) + OH =>
Fe(OH)3 + NH3 = Fe(NH3) + 3 OH
HNO2 + NH4Cl = NH4NO2 + HCl =>
HNO2 + NH4Cl = NH4NO2 + HCl
K2CO3 + ZnO = K2ZnO2 + CO2 =>
K2CO3 + ZnO = K2ZnO2 + CO2
Fe2 + CuSO4 = FeSO4 + Cu =>
Fe2 + 2 CuSO4 = 2 FeSO4 + 2 Cu
AlBr3 = Al + Br =>
AlBr3 = Al + 3 Br
NH3 + Mg(NO3)2 + H2O = MgOH + NH4NO3 =>
18 NH3 + 8 Mg(NO3)2 + 11 H2O = 8 MgOH + 17 NH4NO3
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