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NaCO3 + HCl = HCO3 + NaCl
Fe + H2O = Fe3(OH)4 + H2 =>
3 Fe + 4 H2O = Fe3(OH)4 + 2 H2
(CH3)2CHOH + K2Cr2O7 = (CH3)2CHO + K2 + Cr23 + H2O =>
322(CH3)2CHOH + 23 K2Cr2O7 = 322(CH3)2CHO + 23 K2 + 2 Cr23 + 161 H2O
MnO2(s) + Al(s) = Mn(s) + Al2O3(s) =>
3 MnO2(s) + 4 Al(s) = 3 Mn(s) + 2 Al2O3(s)
NaHCO3(heat) = Na2CO3 + CO2 + H2O =>
2 NaHCO3(heat) = Na2CO3 + CO2 + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaHCO3(heat) = Na2CO3 + CO2 + H2O =>
2 NaHCO3(heat) = Na2CO3 + CO2 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
NaClO + I2 + NaOH = NaIO4 + NaCl + H2O =>
7 NaClO + I2 + 2 NaOH = 2 NaIO4 + 7 NaCl + H2O
KClO3 + C12H22O11 = KCl + H2O + CO2 =>
8 KClO3 + C12H22O11 = 8 KCl + 11 H2O + 12 CO2
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
Ca + H2O = Ca(OH) + H2 =>
2 Ca + 2 H2O = 2 Ca(OH) + H2
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Mg + H2O = MgOH + H2 =>
2 Mg + 2 H2O = 2 MgOH + H2
Mg + H2O = MgO + H2 =>
Mg + H2O = MgO + H2
NaClO + I2 + NaOH = NaIO4 + NaCl + H2O =>
7 NaClO + I2 + 2 NaOH = 2 NaIO4 + 7 NaCl + H2O
NaOH + NH4Cl = NaCl + H2O + NH3 =>
NaOH + NH4Cl = NaCl + H2O + NH3
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
CH4 + O2 = H20 + CO2 =>
5 CH4 + 5 O2 = H20 + 5 CO2
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
CH3CH2CH2OH + PCl5 = CH3CH2CH2Cl + H3PO4 + H2O =>
5 CH3CH2CH2OH + PCl5 = 5 CH3CH2CH2Cl + H3PO4 + H2O
C6H12O7 + ZnSO4 = C12H22ZnO14 + H2SO4 =>
2 C6H12O7 + ZnSO4 = C12H22ZnO14 + H2SO4
C6H12O6 = CO2 + C2H5OH =>
C6H12O6 = 2 CO2 + 2 C2H5OH
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C12H22ZnO14 + H2SO4 + KOH = C12H22ZnO14*2H2O + K2SO4 =>
C12H22ZnO14 + H2SO4 + 2 KOH = C12H22ZnO14*2H2O + K2SO4
C6H5OH + Na2CO3 = C6H5ONa + NaHCO3 =>
C6H5OH + Na2CO3 = C6H5ONa + NaHCO3
CUO + NH3 = CU + N2 + H2O =>
3 CUO + 2 NH3 = 3 CU + N2 + 3 H2O
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
AG2S + O2 = AG2 + SO2 =>
AG2S + O2 = AG2 + SO2
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
C6H12O7 + ZnSO4 = C12H22ZnO14 + H2SO4 =>
2 C6H12O7 + ZnSO4 = C12H22ZnO14 + H2SO4
Pb{2+} + OH{-} = Pb(OH)2 =>
Pb{2+} + 2 OH{-} = Pb(OH)2
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
Cu{2+} + I{-} = CuI + I2 =>
2 Cu{2+} + 4 I{-} = 2 CuI + I2
FeS2 + HNO3 = Fe(NO3)3 + NO2 + H2SO4 + H20 =>
20 FeS2 + 220 HNO3 = 20 Fe(NO3)3 + 160 NO2 + 40 H2SO4 + 7 H20
Mg + H2O = Mg(OH) + H2 =>
2 Mg + 2 H2O = 2 Mg(OH) + H2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
AgNO3 + K2CrO4 = Ag2CrO4 + KNO3 =>
2 AgNO3 + K2CrO4 = Ag2CrO4 + 2 KNO3
AlCl3 + Ba(OH)2 = Al(OH)3 + BaCl2 =>
2 AlCl3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 BaCl2
FeO3 + CO = Fe + CO2 =>
FeO3 + 3 CO = Fe + 3 CO2
K2Cr2O7 + CH3CH2OH + H2SO4 = Cr2(SO4)3 + CH3COOH + K2SO4 + H2O =>
2 K2Cr2O7 + 3 CH3CH2OH + 8 H2SO4 = 2 Cr2(SO4)3 + 3 CH3COOH + 2 K2SO4 + 11 H2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C6H12O7 + CuSO4 = C12H22CuO14 + H2SO4 =>
2 C6H12O7 + CuSO4 = C12H22CuO14 + H2SO4
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
N2 + O2 = N2O3 =>
2 N2 + 3 O2 = 2 N2O3
C12H22CuO14 + H2SO4 + KOH = C12H22CuO14*H2O + K2SO4 =>
2 C12H22CuO14 + H2SO4 + 2 KOH = 2 C12H22CuO14*H2O + K2SO4
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