Équations équilibrées la veille |
Zn + 2 HCl = ZnCl2 + H2
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
ZnPb + NO3 = Zn(NO3)2 + Pb =>
ZnPb + 2 NO3 = Zn(NO3)2 + Pb
MgCl2 + Rb = RbCl + Mg =>
MgCl2 + 2 Rb = 2 RbCl + Mg
K2CrO4 + Ba(OH)2 = K2(OH)2 + CrO4Ba =>
K2CrO4 + Ba(OH)2 = K2(OH)2 + CrO4Ba
C + I2 = CI4 =>
C + 2 I2 = CI4
CrCO3 + HI = H2O + CO2 + CrI2 =>
CrCO3 + 2 HI = H2O + CO2 + CrI2
(NH4)2CO3 + BaCl2 = Ba2(CO3)2 + ClNH4 =>
2(NH4)2CO3 + 2 BaCl2 = Ba2(CO3)2 + 4 ClNH4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CaCl2*2H2O + KC2O4*H2O = CaC2O4 + KCl2 + H2O =>
CaCl2*2H2O + KC2O4*H2O = CaC2O4 + KCl2 + 3 H2O
Mg + CO = MgO + C =>
Mg + CO = MgO + C
PH3 + O2 = PHO + H2O =>
PH3 + O2 = PHO + H2O
Sn + Cl2 = SnCl24 =>
Sn + 12 Cl2 = SnCl24
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
B + HCl = BCl3 + H2 =>
2 B + 6 HCl = 2 BCl3 + 3 H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
BF3 + H2O = B2O3 + HF =>
2 BF3 + 3 H2O = B2O3 + 6 HF
MgI2 + Mn(SO3)2 = MgSO3 + MnI4 =>
2 MgI2 + Mn(SO3)2 = 2 MgSO3 + MnI4
CH3CHCH2OH + Na = CH3CHCH2ONa + H2 =>
2 CH3CHCH2OH + 2 Na = 2 CH3CHCH2ONa + H2
Sn + HNO3 = Sn(NO3)4 + H2O + NO2 =>
Sn + 8 HNO3 = Sn(NO3)4 + 4 H2O + 4 NO2
MnSO4 + Na2FeO4 + HNO3 = HMnO4 + NaNO3 + Na2SO4 + Fe(NO3)3 + H2O =>
3 MnSO4 + 5 Na2FeO4 + 19 HNO3 = 3 HMnO4 + 4 NaNO3 + 3 Na2SO4 + 5 Fe(NO3)3 + 8 H2O
NH4Br + Cu(NO3)2 = CuBr2 + NH4NO3 =>
2 NH4Br + Cu(NO3)2 = CuBr2 + 2 NH4NO3
Cl + KI + H2O = HIO3 + HCl + KCl =>
6 Cl + KI + 3 H2O = HIO3 + 5 HCl + KCl
MnO2 + H2SO4 = MnSO4 + SO4 + H2O =>
MnO2 + 2 H2SO4 = MnSO4 + SO4 + 2 H2O
Cu(OH)2 + Na2(SO4) = CuSO4 + NaOH =>
Cu(OH)2 + Na2(SO4) = CuSO4 + 2 NaOH
KOH + CaF = KFCaOH =>
KOH + CaF = KFCaOH
SO3 + KOH = K(OH)SO3 =>
SO3 + KOH = K(OH)SO3
V + OH = VOH =>
V + OH = VOH
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
AlI3 + HgCl2 = AlCl3 + HgI2 =>
2 AlI3 + 3 HgCl2 = 2 AlCl3 + 3 HgI2
Na + MgCl2(aq) = NaCl(aq) + Mg(s) =>
2 Na + MgCl2(aq) = 2 NaCl(aq) + Mg(s)
Na2O + SO3 = NaO + S2O3 =>
3 Na2O + 2 SO3 = 6 NaO + S2O3
AlI3 + HgCl2 = AlCl3 + HgI2 =>
2 AlI3 + 3 HgCl2 = 2 AlCl3 + 3 HgI2
Na2CO3 + CH3COOH = NaCH3COOH + CO2 + H2O =>
4 Na2CO3 + 9 CH3COOH = 8 NaCH3COOH + 6 CO2 + 2 H2O
KMnO4 + Cl2 + KOH = KCl + KClO4 + (MnOH)2 =>
2 KMnO4 + 2 Cl2 + 2 KOH = 2 KCl + 2 KClO4 + (MnOH)2
H3AsO4 = As2O5 + H2O =>
2 H3AsO4 = As2O5 + 3 H2O
NH4Br(aq) + NaOH(aq) = H2O(l) + NH3(g) + NaBr(aq) =>
NH4Br(aq) + NaOH(aq) = H2O(l) + NH3(g) + NaBr(aq)
Ni + Ca(NO3)2 = CaNi + NO3 =>
Ni + Ca(NO3)2 = CaNi + 2 NO3
Ba(HSO4)2 + KOH = Ba(OH)2 + K2SO4 + H2O =>
Ba(HSO4)2 + 4 KOH = Ba(OH)2 + 2 K2SO4 + 2 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
KIO3 + NaI + H2SO4 = I2 + K2SO4 + Na2SO4 + H2O =>
2 KIO3 + 10 NaI + 6 H2SO4 = 6 I2 + K2SO4 + 5 Na2SO4 + 6 H2O
CH3CHOHCH3(l) + CH3COOH(l) = CH3COOCHCH3CH3(aq) + H2O(l) =>
CH3CHOHCH3(l) + CH3COOH(l) = CH3COOCHCH3CH3(aq) + H2O(l)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H3PO4 + LiOH = Li3PO4 + H2O =>
H3PO4 + 3 LiOH = Li3PO4 + 3 H2O
C3H8O + K2Cr2O7 + H2SO4 = K2SO4 + H2O + Cr2(SO4)3 + C3H6O =>
3 C3H8O + K2Cr2O7 + 4 H2SO4 = K2SO4 + 7 H2O + Cr2(SO4)3 + 3 C3H6O
Fe + CuSO3 = Fe2(SO3)3 + Cu =>
2 Fe + 3 CuSO3 = Fe2(SO3)3 + 3 Cu
K2SO4 + Na4C = Na2SO4 + K4C =>
2 K2SO4 + Na4C = 2 Na2SO4 + K4C
CH3CH2COH + Ag2O = CH3CH2COOH + Ag =>
CH3CH2COH + Ag2O = CH3CH2COOH + 2 Ag
HCl + Na2O = H2O + NaCl =>
2 HCl + Na2O = H2O + 2 NaCl
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