| Équations équilibrées la veille |
3 As2S5 + 40 NO3{-} + 12 H2O = 6 AsO4{3-} + 15 SO4{2-} + 40 NO + 8 H3O{+}
PbCl2 + H2SO3 = PbSO3 + HCl =>
PbCl2 + H2SO3 = PbSO3 + 2 HCl
Mg2(OH)2CO3 + Cu(NO3)2 = Cu2(OH)2CO3 + Mg(NO3)2 =>
Mg2(OH)2CO3 + 2 Cu(NO3)2 = Cu2(OH)2CO3 + 2 Mg(NO3)2
HNO3Li2CO3 = LiNO3LiHCO3 =>
HNO3Li2CO3 = LiNO3LiHCO3
Si(C6H5)2Cl2 + H2O = Si(C6H5)2(OH)2 + HCl =>
Si(C6H5)2Cl2 + 2 H2O = Si(C6H5)2(OH)2 + 2 HCl
Fe3O4 + HI = FeI2 + I2 + H2O =>
Fe3O4 + 8 HI = 3 FeI2 + I2 + 4 H2O
CrO3 + H2O = Cr(OH)6 =>
CrO3 + 3 H2O = Cr(OH)6
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fr2CO3 + HCl = H2CO3 + FrCl =>
Fr2CO3 + 2 HCl = H2CO3 + 2 FrCl
Fe{2-}O{3-} + H = Fe + H{2-}O =>
Fe{2-}O{3-} + H = Fe + H{2-}O
Se + I = SeI =>
Se + I = SeI
Mg3P2 + HCl = PH3 + MgCl2 =>
Mg3P2 + 6 HCl = 2 PH3 + 3 MgCl2
K + H2SO4 = K2SO4 + H2 =>
2 K + H2SO4 = K2SO4 + H2
AuC = CAu =>
AuC = CAu
Mn(OH)2 + H2O2 + NaOH = Na2(Mn(OH)6) =>
Mn(OH)2 + H2O2 + 2 NaOH = Na2(Mn(OH)6)
He + Li = He3Li =>
3 He + Li = He3Li
K + H2SO4 = K2SO4 + H2 =>
2 K + H2SO4 = K2SO4 + H2
Cr3O2 + NaNO3 + Na2CO3 = Na2CrO4 + NaNO2 + CO2 =>
Cr3O2 + 7 NaNO3 + 3 Na2CO3 = 3 Na2CrO4 + 7 NaNO2 + 3 CO2
H2SO3CaCO3 = CaSO3H2CO3 =>
H2SO3CaCO3 = CaSO3H2CO3
MnO2 + H2SO4 = MnS + H2O + O3 =>
3 MnO2 + 3 H2SO4 = 3 MnS + 3 H2O + 5 O3
CoCl2 + H2O = H12Cl2CoO6 =>
CoCl2 + 6 H2O = H12Cl2CoO6
K2MnO4 + CrSO4 + H2SO4 = Cr2(SO4)3 + MnSO4 + K2SO4 + H2O =>
K2MnO4 + 4 CrSO4 + 4 H2SO4 = 2 Cr2(SO4)3 + MnSO4 + K2SO4 + 4 H2O
NH3PO4 + CaOH2 = Ca3(PO4)2 + NH3 + HOH =>
2 NH3PO4 + 3 CaOH2 = Ca3(PO4)2 + 2 NH3 + 3 HOH
Ca + P4 = Ca3P =>
12 Ca + P4 = 4 Ca3P
C4H9BrMg + C3H6O + H3O = C7H16O + MgBrOH =>
18 C4H9BrMg + 25 C3H6O + 14 H3O = 21 C7H16O + 18 MgBrOH
Cu(NO3)2*5H2O = Cu(NO3)2 + H2O =>
Cu(NO3)2*5H2O = Cu(NO3)2 + 5 H2O
WH2 + H2SO4 = WSO4 + H2 =>
WH2 + H2SO4 = WSO4 + 2 H2
Cu(OH)2H3PO4 = H3(OH)2CuPO4 =>
Cu(OH)2H3PO4 = H3(OH)2CuPO4
Zn + Pb2C2H3O2 = Zn(C2H3O2)2 + Pb =>
Zn + 2 Pb2C2H3O2 = Zn(C2H3O2)2 + 4 Pb
SrCO3 + Re2O7 + Sc2O3 = Sr2ReScO6 + CO2 + O2 =>
4 SrCO3 + Re2O7 + Sc2O3 = 2 Sr2ReScO6 + 4 CO2 + O2
K2SO3 + H2O = S + K2SO4 + KOH =>
3 K2SO3 + H2O = S + 2 K2SO4 + 2 KOH
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
MnCl2 + Br + NaOH = MnO2 + NaBr + NaCl + H2O =>
MnCl2 + 2 Br + 4 NaOH = MnO2 + 2 NaBr + 2 NaCl + 2 H2O
O55 = O7 =>
7 O55 = 55 O7
KAl3Si3O10(OH)2 + H{+} + (H2O) = (Al2Si2O5(OH)4) + K{+} =>
2 KAl3Si3O10(OH)2 + 2 H{+} + 3(H2O) = 3(Al2Si2O5(OH)4) + 2 K{+}
S + N2O = SO2 + N2 =>
S + 2 N2O = SO2 + 2 N2
AgNO2 + K2SO4 = Ag2SO4 + KNO2 =>
2 AgNO2 + K2SO4 = Ag2SO4 + 2 KNO2
FeO + NaOH = NaFe + O2 + H2O =>
4 FeO + 4 NaOH = 4 NaFe + 3 O2 + 2 H2O
C6H12 + Br2 = C6H5Br2 + H2 =>
2 C6H12 + 2 Br2 = 2 C6H5Br2 + 7 H2
Mg(OH)2 + Cu(NO3)2 = Cu(OH)2 + Mg(NO3)2 =>
Mg(OH)2 + Cu(NO3)2 = Cu(OH)2 + Mg(NO3)2
CO2 + NO = NO2 + CO =>
CO2 + NO = NO2 + CO
HCOONa + Na2S2O8 = CO2 + Na2SO4 + H2S + H2O =>
10 HCOONa + 6 Na2S2O8 = 10 CO2 + 11 Na2SO4 + H2S + 4 H2O
CH4 + O2 = H2O + C2 =>
2 CH4 + 2 O2 = 4 H2O + C2
KOH + H2S2O8 = H2O + K2S2O8 =>
2 KOH + H2S2O8 = 2 H2O + K2S2O8
MgSO4 + BaCl2 = MgCl2 + BaSO4 =>
MgSO4 + BaCl2 = MgCl2 + BaSO4
PbCl2 + H2SO3 = PbSO3 + HCl =>
PbCl2 + H2SO3 = PbSO3 + 2 HCl
C8H10Br2 = C8H9BrHBr =>
C8H10Br2 = C8H9BrHBr
Zn + H2SO4 = ZnSO4 + S + H2O =>
3 Zn + 4 H2SO4 = 3 ZnSO4 + S + 4 H2O
C6H5COONa + C6H8O6 = CO2 + NaOH + C6H6 =>
6 C6H5COONa + 3 C6H8O6 = 12 CO2 + 6 NaOH + 8 C6H6
K + H2SO4 = KHSO4 + H2 =>
2 K + 2 H2SO4 = 2 KHSO4 + H2
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