| Équations équilibrées la veille |
4 PbSO4 + 2 H2O = Pb + 3 PbO2 + 4 HSO3
K2CO3 + HNO3 = KNO3 + H2O + CO2 =>
K2CO3 + 2 HNO3 = 2 KNO3 + H2O + CO2
Ge + HNO3 = Ge3O2 + NO2 + H2O =>
3 Ge + 4 HNO3 = Ge3O2 + 4 NO2 + 2 H2O
NaSO4 + NH4NO3 = NaNO3 + NH4SO4 =>
NaSO4 + NH4NO3 = NaNO3 + NH4SO4
HCl + Mg(OH)2(aq) = MgCl2(aq) + H2O =>
2 HCl + Mg(OH)2(aq) = MgCl2(aq) + 2 H2O
P4S6 + HNO3 = NO + H3PO4 + SO2 + H2O =>
3 P4S6 + 44 HNO3 = 44 NO + 12 H3PO4 + 18 SO2 + 4 H2O
Zn(OH)2 + HNO3 = ZnOHNO3 + H2O =>
Zn(OH)2 + HNO3 = ZnOHNO3 + H2O
Fe(SO4) + KMnO4 + H2SO4 = Fe2(SO4)3 + Mn(SO4) + KH(SO4) + H2O =>
10 Fe(SO4) + 2 KMnO4 + 9 H2SO4 = 5 Fe2(SO4)3 + 2 Mn(SO4) + 2 KH(SO4) + 8 H2O
CuSO4 + H2 = CuO + H2O + SO2 =>
CuSO4 + H2 = CuO + H2O + SO2
HBrO4 + Mg = MgO + HBr =>
HBrO4 + 4 Mg = 4 MgO + HBr
Fe2 + NH3 = Fe2NH3 =>
Fe2 + NH3 = Fe2NH3
As4O6 + H2O + MnO4{-} = AsO4{3-} + H{+} + Mn{2+} =>
5 As4O6 + 18 H2O + 8 MnO4{-} = 20 AsO4{3-} + 36 H{+} + 8 Mn{2+}
HF + SiO2 = SiF4 + H2O =>
4 HF + SiO2 = SiF4 + 2 H2O
Cl2 + Mg(OH)2 = MgCl2 + H2O + Mg(ClO3)2 =>
6 Cl2 + 6 Mg(OH)2 = 5 MgCl2 + 6 H2O + Mg(ClO3)2
HOBr + H2O = H3O + OBr =>
HOBr + H2O = H3O + OBr
ZnSO4K2S = ZnSK2SO4 =>
ZnSO4K2S = ZnSK2SO4
NaNH4HPO4*H2O = NaPO4 + NH3 + H2 + H2O =>
NaNH4HPO4*H2O = NaPO4 + NH3 + H2 + H2O
NH3 + O2 = H2O + NO =>
4 NH3 + 5 O2 = 6 H2O + 4 NO
CH3COOH + Na2CO3 = CO2 + CH3COONa + H2O =>
2 CH3COOH + Na2CO3 = CO2 + 2 CH3COONa + H2O
C3H12 + O2 = CO2 + H2O =>
C3H12 + 6 O2 = 3 CO2 + 6 H2O
I2 + Ag = AgI =>
I2 + 2 Ag = 2 AgI
K2SiO3 + BaBr2 = BaSiO3 + KBr =>
K2SiO3 + BaBr2 = BaSiO3 + 2 KBr
HCl + KClO3 = KCl + ClO2 + H2O =>
6 HCl + 5 KClO3 = 5 KCl + 6 ClO2 + 3 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe + NH3(aq) + H2O(l) = Fe(OH)3(s) + NH4 =>
Fe + 3 NH3(aq) + 3 H2O(l) = Fe(OH)3(s) + 3 NH4
HBr + Na2CO3 = NaBr + H2CO3 =>
2 HBr + Na2CO3 = 2 NaBr + H2CO3
CH2OHCHNH2COOH + O2 = CO2 + H2O + NH3 =>
2 CH2OHCHNH2COOH + 5 O2 = 6 CO2 + 4 H2O + 2 NH3
H2O + CO2 = HCO + HO =>
2 H2O + CO2 = HCO + 3 HO
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Cu2{+} + O2 = Cu{2+} + O{2-} =>
4 Cu2{+} + 3 O2 = 8 Cu{2+} + 6 O{2-}
FeI2 + NH4OH = FeNH4 + I2OH =>
FeI2 + NH4OH = FeNH4 + I2OH
CaHCO3 + HCl = CaCl + CO2 + H2O =>
CaHCO3 + HCl = CaCl + CO2 + H2O
C10H18O + Cr2O7 = C10H16O + H2O + Cr =>
7 C10H18O + Cr2O7 = 7 C10H16O + 7 H2O + 2 Cr
NH2CH2COOH + O2 = NO2 + CO2 + H2O =>
4 NH2CH2COOH + 13 O2 = 4 NO2 + 8 CO2 + 10 H2O
Na2Cr2O7 + NaI + HCl = NaCl + CrCl3 + H2O + I2 =>
Na2Cr2O7 + 6 NaI + 14 HCl = 8 NaCl + 2 CrCl3 + 7 H2O + 3 I2
HCOH + Cr2O7{2-} + H{+} = COOH + Cr{3+} + H2O =>
2 HCOH + Cr2O7{2-} + 8 H{+} = 2 COOH + 2 Cr{3+} + 5 H2O
FeCl3(aq) + Na2CO3(aq) = Fe2(CO3)3(s) + NaCl(s) =>
2 FeCl3(aq) + 3 Na2CO3(aq) = Fe2(CO3)3(s) + 6 NaCl(s)
Zn + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
BaCI2 + K2CO3 = BaCO3 + K2CI2 =>
BaCI2 + K2CO3 = BaCO3 + K2CI2
Ca(OH)2 + Na = CaNa + OH =>
Ca(OH)2 + Na = CaNa + 2 OH
C2H5OH + PCl5 = C3H7Cl + POCl3 + HCl =>
3 C2H5OH + 3 PCl5 = 2 C3H7Cl + 3 POCl3 + 4 HCl
N2O3 + Mn(OH)2 = Mn(NO2)2 + H2O =>
N2O3 + Mn(OH)2 = Mn(NO2)2 + H2O
CU + H2SO4 = CUSO4 + S2 + H2O =>
6 CU + 8 H2SO4 = 6 CUSO4 + S2 + 8 H2O
PO4{3-} = P2O5 + O{2-} =>
2 PO4{3-} = P2O5 + 3 O{2-}
CoSO4 + KNO2 + CH3COOH = K3Co(NO2)6 + K2SO4 + CH3COOK + H2O + NO =>
CoSO4 + 7 KNO2 + 2 CH3COOH = K3Co(NO2)6 + K2SO4 + 2 CH3COOK + H2O + NO
CH3OH + Na2O = CH3ONa + H2O =>
2 CH3OH + Na2O = 2 CH3ONa + H2O
K(s) + Br2(g) = KBr2 =>
K(s) + Br2(g) = KBr2
[NH4]3PO4 = NH3 + H3PO4 =>
[NH4]3PO4 = 3 NH3 + H3PO4
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
NaO + Br = O + NaBr =>
NaO + Br = O + NaBr
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