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Fe + H2 = FeH2
CuO + C2H6O + CuOAl2O3 = CuAlO2 + CO2 + H2O =>
6 CuO + C2H6O + 6 CuOAl2O3 = 12 CuAlO2 + 2 CO2 + 3 H2O
MgF2 + CaS = MgS + CaF2 =>
MgF2 + CaS = MgS + CaF2
MgCO3(s)H2SO4(aq) = MgSO4(aq)H2CO3(s) =>
MgCO3(s)H2SO4(aq) = MgSO4(aq)H2CO3(s)
C3H4O + NH3 + O2 = H2O + C2H3N =>
2 C3H4O + 3 NH3 + O2 = 4 H2O + 3 C2H3N
NaHSO3(s) = Na2SO3(s)SO2(g)H2O =>
2 NaHSO3(s) = Na2SO3(s)SO2(g)H2O
[NH4]Cl = NH3 + HCl =>
[NH4]Cl = NH3 + HCl
C8H9NO + Br2 = C8H8NOBr + H =>
2 C8H9NO + Br2 = 2 C8H8NOBr + 2 H
HNO3 + Na2O = NaNO3 + H2O =>
2 HNO3 + Na2O = 2 NaNO3 + H2O
[H2C2O4] + [NaOH] = [Na2C2O4] + [H2O] =>
[H2C2O4] + 2[NaOH] = [Na2C2O4] + 2[H2O]
Mg + Al = Mg3Al2 =>
3 Mg + 2 Al = Mg3Al2
SrO + Zn(OH)2 = SrZnO2 + H2O =>
SrO + Zn(OH)2 = SrZnO2 + H2O
Pb(NO3)2 + CaOCl2 + Ca(OH)2 = PbO2 + CaCl2 + Ca(NO3)2 + H2O =>
Pb(NO3)2 + CaOCl2 + Ca(OH)2 = PbO2 + CaCl2 + Ca(NO3)2 + H2O
PbO + CaO = CaPbO2 =>
PbO + CaO = CaPbO2
Cut(NO3)2 + NaOH = Cut(OH)2 + NaNO3 =>
Cut(NO3)2 + 2 NaOH = Cut(OH)2 + 2 NaNO3
CHCl3 + I2 = CHI3 + Cl =>
2 CHCl3 + 3 I2 = 2 CHI3 + 6 Cl
Na2Cr2O7 + FeCl2 + HCl = CrCl3 + FeCl3 + NaCl + H2O =>
Na2Cr2O7 + 6 FeCl2 + 14 HCl = 2 CrCl3 + 6 FeCl3 + 2 NaCl + 7 H2O
Na2B4O7 + HCl + H2O = NaCl + H3BO3 =>
Na2B4O7 + 2 HCl + 5 H2O = 2 NaCl + 4 H3BO3
CO + CO3 = C2O4 =>
CO + CO3 = C2O4
C2H5O4 + O2 = CO2 + H2O =>
4 C2H5O4 + 5 O2 = 8 CO2 + 10 H2O
NaNO3 + Ba(NO3)2 = BaNa + NO3 =>
NaNO3 + Ba(NO3)2 = BaNa + 3 NO3
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Ag(NH3)2 + Cl + H = AgCl + NH4 =>
Ag(NH3)2 + Cl + 2 H = AgCl + 2 NH4
K(ClO3) + HCl = KCl + Cl2 + H2O =>
K(ClO3) + 6 HCl = KCl + 3 Cl2 + 3 H2O
SnS2 + Cl2 = SnCl4 + S =>
SnS2 + 2 Cl2 = SnCl4 + 2 S
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Ag(S2O3)2 = AgS2O3 + S2O3 =>
Ag(S2O3)2 = AgS2O3 + S2O3
H = H6 =>
6 H = H6
SbO + H2 = H2O + Sb =>
SbO + H2 = H2O + Sb
C6H14O + O2 = CO + H2O =>
C6H14O + 6 O2 = 6 CO + 7 H2O
Na2S2O3 + KIO3 = NaKS2O3 + NaIO3 =>
Na2S2O3 + KIO3 = NaKS2O3 + NaIO3
CH3OH = OHCH3 =>
CH3OH = OHCH3
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
CH3COONH4HCl = CH3COOHNH4Cl =>
CH3COONH4HCl = CH3COOHNH4Cl
C18H36O2 + NaHCO3 = C18H36O2Na + CO2 + H2O =>
105 C18H36O2 + 104 NaHCO3 = 104 C18H36O2Na + 122 CO2 + 70 H2O
NiSO4 + NaSO2 = NaSO4 + NiSO2 =>
NiSO4 + NaSO2 = NaSO4 + NiSO2
NO2 + H0 = HNO3 + NO =>
2 NO2 + H0 = HNO3 + NO
Fe(NO3)3(aq) + K2CO3(s) = Fe2(CO3)3(s) + KNO3(aq) =>
2 Fe(NO3)3(aq) + 3 K2CO3(s) = Fe2(CO3)3(s) + 6 KNO3(aq)
(b)NaNO3(s) = NaNO2(s) + O2 =>
2(b)NaNO3(s) = 2 NaNO2(s) + O2
CH3CH2CHOHCH3 + O2 = CO2 + H2O =>
CH3CH2CHOHCH3 + 6 O2 = 4 CO2 + 5 H2O
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
CuBr2 + H2SO4 + Na2SO3 = CuBr + Na2SO4 + HBr + SO2 =>
2 CuBr2 + H2SO4 + 2 Na2SO3 = 2 CuBr + 2 Na2SO4 + 2 HBr + SO2
Fr(s) + O2(g) = FrO2(s) =>
Fr(s) + O2(g) = FrO2(s)
C2H6 + NO2 = C7H3(NO2)2 + H2 =>
7 C2H6 + 4 NO2 = 2 C7H3(NO2)2 + 18 H2
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
CH3CHBrCH3 + KOH = CH3CH2CH2OH + KBr =>
CH3CHBrCH3 + KOH = CH3CH2CH2OH + KBr
Mg3N2(s) + H2SO4(ac) = MgSO4(ac) + (NH4)2SO4(ac) =>
Mg3N2(s) + 4 H2SO4(ac) = 3 MgSO4(ac) + (NH4)2SO4(ac)
Pb + Cu4PO4 = Cu + Pb3PO4 =>
3 Pb + Cu4PO4 = 4 Cu + Pb3PO4
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
CaSO4H2O = (CaSO4)2H2OH2O =>
2 CaSO4H2O = (CaSO4)2H2OH2O
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