Équations équilibrées la veille | Équations équilibrées le lendemain |
MnO2 + 4 KOH = K4MnO4 + 2 H2O
Ca2C + H2O = C2 + H2 + Ca(OH)2 =>
2 Ca2C + 8 H2O = C2 + 4 H2 + 4 Ca(OH)2
K2CrO4 + H2SO4 = KHSO4 + CrO3 + H2O =>
K2CrO4 + 2 H2SO4 = 2 KHSO4 + CrO3 + H2O
Ca3(PO4)2 = P + Ca + O2 =>
Ca3(PO4)2 = 2 P + 3 Ca + 4 O2
K2CrO4 + H2SO4 = KHSO4 + CrO3 + H2O =>
K2CrO4 + 2 H2SO4 = 2 KHSO4 + CrO3 + H2O
NH2NHCH3 + O2 = CO2 + H2O + N2 =>
2 NH2NHCH3 + 5 O2 = 2 CO2 + 6 H2O + 2 N2
Br2 + KY + H2O = KYO3 + HBr =>
3 Br2 + KY + 3 H2O = KYO3 + 6 HBr
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
Cr + HF = CrF3 + H =>
Cr + 3 HF = CrF3 + 3 H
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
Fe(OH)2 + H2O2(aq) = Fe(OH)3 =>
2 Fe(OH)2 + H2O2(aq) = 2 Fe(OH)3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
K2SO3 + H2SO4 = K2SO4 + SO2 + H2O =>
K2SO3 + H2SO4 = K2SO4 + SO2 + H2O
C6H5OH + Br = C6H5OBr + H2 =>
2 C6H5OH + 2 Br = 2 C6H5OBr + H2
Ba(OH)2CaO = BaOCa(OH)2 =>
Ba(OH)2CaO = BaOCa(OH)2
C6H10O + Ag(NH3)2 + OH = Ag + C6H11NO + H2O =>
2 C6H10O + Ag(NH3)2 + 4 OH = Ag + 2 C6H11NO + 4 H2O
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
H2SO4FeO = FeSO4H2O =>
H2SO4FeO = FeSO4H2O
SO3 + P2O5 = P2SO3 + O2 =>
2 SO3 + 2 P2O5 = 2 P2SO3 + 5 O2
C6H10O + Ag(NH3)2 + OH = Ag + C6H11NO + H2O =>
2 C6H10O + Ag(NH3)2 + 4 OH = Ag + 2 C6H11NO + 4 H2O
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
HNO3 + NH3 = H2O + NH4(NO)3 =>
7 HNO3 + 9 NH3 = 9 H2O + 4 NH4(NO)3
COCl2(H2O) = COCl2H2O =>
COCl2(H2O) = COCl2H2O
CuSO4*5H2O + NaOH = CuOH + NaSO4 + H2O =>
CuSO4*5H2O + NaOH = CuOH + NaSO4 + 5 H2O
AgNO3(NH4)S = AgSNH4NO3 =>
AgNO3(NH4)S = AgSNH4NO3
Ca(H2PO4)2 = CaO + H2O + P2O5 =>
Ca(H2PO4)2 = CaO + 2 H2O + P2O5
PCl5(s) + P2O5 = POCl3 =>
3 PCl5(s) + P2O5 = 5 POCl3
H2WO4*H2O = H2O + WO3 =>
H2WO4*H2O = 2 H2O + WO3
Na3PO4 + HNO3 = Na2HPO4 + NaNO3 =>
Na3PO4 + HNO3 = Na2HPO4 + NaNO3
NiC2O4*2H2O + O2 = CO2 + H2O + Ni2O3 =>
4 NiC2O4*2H2O + 3 O2 = 8 CO2 + 8 H2O + 2 Ni2O3
H2WO4*H2O = H2O + WO3 =>
H2WO4*H2O = 2 H2O + WO3
AlN3O6 + NH4Cl = AlCl3 + N2 + H2O =>
AlN3O6 + 3 NH4Cl = AlCl3 + 3 N2 + 6 H2O
Na + SO2 = Na2O + S =>
4 Na + SO2 = 2 Na2O + S
Fe + CUCI2 = FeCI2 + CU =>
Fe + CUCI2 = FeCI2 + CU
Cu + H2O = CuO + H2 =>
Cu + H2O = CuO + H2
CH4 + H2SO4 = CH3SO3H + H2O =>
CH4 + H2SO4 = CH3SO3H + H2O
FeBr3 + Ba(OH)2 = Fe(OH)3 + BaBr2 =>
2 FeBr3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 BaBr2
Cr + NaNO3 + NaOH = Na2CrO4 + NaNO2 + H2O =>
Cr + 3 NaNO3 + 2 NaOH = Na2CrO4 + 3 NaNO2 + H2O
Zn + H2CO3 = ZnCO3 + H2 =>
Zn + H2CO3 = ZnCO3 + H2
FeSO4 + NH4Cl2 + NH4OH = Fe3O4 + NH4SO4 + NH4Cl + H2O =>
3 FeSO4 + 5 NH4Cl2 + 8 NH4OH = Fe3O4 + 3 NH4SO4 + 10 NH4Cl + 4 H2O
C + HOH = CO + H2 =>
C + HOH = CO + H2
Ag(NO3) + CaS = Ag2S + Ca(NO3)2 =>
2 Ag(NO3) + CaS = Ag2S + Ca(NO3)2
Cu + CrCl3 = CuCl2 + Cr =>
3 Cu + 2 CrCl3 = 3 CuCl2 + 2 Cr
H2S + J2 = HJ + S2 =>
2 H2S + 2 J2 = 4 HJ + S2
Ba(NO3)2 + Li2CO3 = BaCO3 + LiNO3 =>
Ba(NO3)2 + Li2CO3 = BaCO3 + 2 LiNO3
ethylene + hydrogen = ethane =>
C2H4 + H2 = C2H6
Ba(NO3)2 + Li2CO3 = BaCO3 + LiNO3 =>
Ba(NO3)2 + Li2CO3 = BaCO3 + 2 LiNO3
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
C2H5OO + O2 = CO2 + H2O =>
4 C2H5OO + 9 O2 = 8 CO2 + 10 H2O
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