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2 K + 2 H2O = 2 KOH + H2
Na2SO3(s) + SO2(g) + H2O(l) = NaHSO3(s) =>
Na2SO3(s) + SO2(g) + H2O(l) = 2 NaHSO3(s)
C + HNO3 = C(NO3)4 + H2 =>
C + 4 HNO3 = C(NO3)4 + 2 H2
H2O + Cu = Cu(OH)2 + H2 =>
2 H2O + Cu = Cu(OH)2 + H2
Al + NaOH + NaHSO4 = Al2O3 + Na2S + H2O =>
8 Al + 3 NaOH + 3 NaHSO4 = 4 Al2O3 + 3 Na2S + 3 H2O
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Cr + Cl2 = CrCl3 =>
2 Cr + 3 Cl2 = 2 CrCl3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Zn(c) + H2SO4(aq) = ZnSO4(aq) + H2(g) =>
Zn(c) + H2SO4(aq) = ZnSO4(aq) + H2(g)
As2O5 + NaOH = NaAsO3 + H2O =>
As2O5 + 2 NaOH = 2 NaAsO3 + H2O
Zn + HBr = Zn(Br2) + H2 =>
Zn + 2 HBr = Zn(Br2) + H2
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
Ni(OH)5 + H3PO4 = Ni3(PO4)5 + H2O =>
3 Ni(OH)5 + 5 H3PO4 = Ni3(PO4)5 + 15 H2O
FeCl2 + FeCl3 + Na3PO4 = Fe7(PO4)6 + NaCl =>
3 FeCl2 + 4 FeCl3 + 6 Na3PO4 = Fe7(PO4)6 + 18 NaCl
Cu(NO3)2 + KHS = CuS + KNO3 + HNO3 =>
Cu(NO3)2 + KHS = CuS + KNO3 + HNO3
CH3COCl + CH3CH3OH = HCl + CH3COOCH2CH3 =>
6 CH3COCl + 4 CH3CH3OH = 6 HCl + 5 CH3COOCH2CH3
NiCl2 + Fe2(SO4)3 = FeCl3 + NiSO4 =>
3 NiCl2 + Fe2(SO4)3 = 2 FeCl3 + 3 NiSO4
KOH + LiOH = KLi + OH =>
KOH + LiOH = KLi + 2 OH
NiO + KHSO4 = NiSO4 + K2SO4 + H2O =>
NiO + 2 KHSO4 = NiSO4 + K2SO4 + H2O
AlBr3 + K2SO4 = Al2(SO4)3 + KBr =>
2 AlBr3 + 3 K2SO4 = Al2(SO4)3 + 6 KBr
Fe + CH4 = Fe3C + H =>
3 Fe + CH4 = Fe3C + 4 H
C205H309O2 + O2 = CO2 + H2O =>
4 C205H309O2 + 1125 O2 = 820 CO2 + 618 H2O
SSiO2 = SO2Si =>
SSiO2 = SO2Si
C6H6 + C2H3OCl = C6H5COC6H5 + HCl + CH4 =>
2 C6H6 + C2H3OCl = C6H5COC6H5 + HCl + CH4
Pb(NO3)2 + FeCl3 = Pb3Cl6 + Fe(NO3)3 =>
3 Pb(NO3)2 + 2 FeCl3 = Pb3Cl6 + 2 Fe(NO3)3
MgOZn = MgZnO =>
MgOZn = MgZnO
CuCl + NaHO = CuHO + NaCl =>
CuCl + NaHO = CuHO + NaCl
O2 = O3 =>
3 O2 = 2 O3
Ag(NO)3 + KI = AgI + K(NO)3 =>
Ag(NO)3 + KI = AgI + K(NO)3
C6H6O7 + NaHCO3 = H2O + CO2 + Na3C6H5O7 =>
9 C6H6O7 + 24 NaHCO3 = 19 H2O + 30 CO2 + 8 Na3C6H5O7
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
C6H8O7 + OH{-} = C6H7O7{-} + H2O =>
C6H8O7 + OH{-} = C6H7O7{-} + H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C7H6O + C25H21P = C14H12 + C18H15OP =>
C7H6O + C25H21P = C14H12 + C18H15OP
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
TiCl4 + O2 = TiO2 + Cl2 =>
TiCl4 + O2 = TiO2 + 2 Cl2
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
CuOHNO3 = CuO + NO2 + H2O + O2 =>
4 CuOHNO3 = 4 CuO + 4 NO2 + 2 H2O + O2
ZnCO3 + H3C6H5O7 = Zn3C6H5O7 + H2O + CO2 =>
18 ZnCO3 + 7 H3C6H5O7 = 6 Zn3C6H5O7 + 13 H2O + 24 CO2
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
NaHCO3(s) + HCl(l) = NaCl(aq) + H2O(l) + CO2(g) =>
NaHCO3(s) + HCl(l) = NaCl(aq) + H2O(l) + CO2(g)
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Co + Br = CoBr2 =>
Co + 2 Br = CoBr2
C3H8O + NaOH = C3H7ONa + H2O =>
C3H8O + NaOH = C3H7ONa + H2O
CoO2 + NH4OH = Co(OH)2 + NH4O =>
CoO2 + 2 NH4OH = Co(OH)2 + 2 NH4O
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