| Équations équilibrées la veille | Équations équilibrées le lendemain |
Si + 4 HNO3 + 4 HF = SiF4 + 4 NO2 + 4 H2O
Si + HNO3 + HF = H2SiF6 + NO + H2O =>
3 Si + 4 HNO3 + 18 HF = 3 H2SiF6 + 4 NO + 8 H2O
Na3PO4 + PbO2 = Na2O + Pb3(PO4)4 =>
4 Na3PO4 + 3 PbO2 = 6 Na2O + Pb3(PO4)4
Na2S + KF = NaF + K2S =>
Na2S + 2 KF = 2 NaF + K2S
Al2(SO4)3 + Ca(C2H3O2)2 = Al(C2H3O2)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(C2H3O2)2 = 2 Al(C2H3O2)3 + 3 CaSO4
NaBr(aq) + Ca(OH)2(aq) = CaBr2(s) + NaOH(aq) =>
2 NaBr(aq) + Ca(OH)2(aq) = CaBr2(s) + 2 NaOH(aq)
Na2SiO3 + NH4Cl = SiO2 + NH3 + NaCl + H2O =>
Na2SiO3 + 2 NH4Cl = SiO2 + 2 NH3 + 2 NaCl + H2O
Na2SO4 + Ca(NO3)2 = Ca2SO4 + Na(NO3)2 =>
Na2SO4 + 2 Ca(NO3)2 = Ca2SO4 + 2 Na(NO3)2
Zn + HCH3COO = H2 + Zn(CH3COO)2 =>
Zn + 2 HCH3COO = H2 + Zn(CH3COO)2
Si + HNO3 + HF = H2[SiF6] + NO + H2O =>
3 Si + 4 HNO3 + 18 HF = 3 H2[SiF6] + 4 NO + 8 H2O
Mg + K2CO3 = Mg(CO3)2 + K =>
Mg + 2 K2CO3 = Mg(CO3)2 + 4 K
Si + HNO3 + HF = H2SiF6 + NO + H2O =>
3 Si + 4 HNO3 + 18 HF = 3 H2SiF6 + 4 NO + 8 H2O
MgO + KOH = Mg(OH)2 + K2O =>
MgO + 2 KOH = Mg(OH)2 + K2O
K(S) + Br(l) = KBr(S) =>
K(S) + Br(l) = KBr(S)
Si + HNO3 + HF = H2SiF4 + NO + H2O =>
3 Si + 2 HNO3 + 12 HF = 3 H2SiF4 + 2 NO + 4 H2O
SO2 + NaOH = Na2S + NaSO4 + H2O =>
3 SO2 + 4 NaOH = Na2S + 2 NaSO4 + 2 H2O
Si + HNO3 + HF = H2[SiF6] + NO + H2O =>
3 Si + 4 HNO3 + 18 HF = 3 H2[SiF6] + 4 NO + 8 H2O
SO3 + NO = SO3NO =>
SO3 + NO = SO3NO
AgI(s) + NH4NO3(aq) + KCl(aq) + Na2S(aq) = KI + NaNO3 + Ag2S + NH4Cl =>
2 AgI(s) + 2 NH4NO3(aq) + 2 KCl(aq) + Na2S(aq) = 2 KI + 2 NaNO3 + Ag2S + 2 NH4Cl
SI + HNO3 + HF = SIF4 + NO + H2O =>
3 SI + 4 HNO3 + 12 HF = 3 SIF4 + 4 NO + 8 H2O
Si + HNO3 + HF = H2SiF4 + NO + H2O =>
3 Si + 2 HNO3 + 12 HF = 3 H2SiF4 + 2 NO + 4 H2O
Si + HNO3 + HF = H2SiF6 + NO2 + H2O =>
Si + 4 HNO3 + 6 HF = H2SiF6 + 4 NO2 + 4 H2O
NaH3PO4 + Ba(OH)2 = H2O + Ba3(PO4)2 + Na =>
2 NaH3PO4 + 3 Ba(OH)2 = 6 H2O + Ba3(PO4)2 + 2 Na
Si + HNO3 + HF = H2SiF4 + NO + H2O =>
3 Si + 2 HNO3 + 12 HF = 3 H2SiF4 + 2 NO + 4 H2O
C15H22 + CuO = CO2 + H2O + Cu =>
C15H22 + 41 CuO = 15 CO2 + 11 H2O + 41 Cu
Si + HNO3 + HF = SiF4 + NO + H2O =>
3 Si + 4 HNO3 + 12 HF = 3 SiF4 + 4 NO + 8 H2O
CuSCN + IO3{-} + H{+} + Cl{-} = CN + Cu{2+} + SO4{-} + ICl2{-} + H2O =>
4 CuSCN + 9 IO3{-} + 22 H{+} + 18 Cl{-} = 4 CN + 4 Cu{2+} + 4 SO4{-} + 9 ICl2{-} + 11 H2O
SI + HNO3 + HF = H2SIF6 + NO + H2O =>
3 SI + 4 HNO3 + 18 HF = 3 H2SIF6 + 4 NO + 8 H2O
Si + HNO3 + HF = H2SiF4 + NO + H2O =>
3 Si + 2 HNO3 + 12 HF = 3 H2SiF4 + 2 NO + 4 H2O
C2H2 + I2 = C2H2I2 =>
C2H2 + I2 = C2H2I2
Si + HNO3 + HF = H2SiF4 + NO + H2O =>
3 Si + 2 HNO3 + 12 HF = 3 H2SiF4 + 2 NO + 4 H2O
Ni + MnOH = Ni(OH)2 + Mn =>
Ni + 2 MnOH = Ni(OH)2 + 2 Mn
Si + HNO3 + HF = H2SiF4 + NO + H2O =>
3 Si + 2 HNO3 + 12 HF = 3 H2SiF4 + 2 NO + 4 H2O
P2O2 + H2O = H3PO4 + H2 =>
P2O2 + 6 H2O = 2 H3PO4 + 3 H2
Si + HNO3 + HF = H2SiF4 + NO + H2O =>
3 Si + 2 HNO3 + 12 HF = 3 H2SiF4 + 2 NO + 4 H2O
K2CrO4 + Pb(C2H3O2)4 = Pb(CrO4)2 + KC2H3O2 =>
2 K2CrO4 + Pb(C2H3O2)4 = Pb(CrO4)2 + 4 KC2H3O2
Si + HNO3 + HF = H2SiF4 + NO + H2O =>
3 Si + 2 HNO3 + 12 HF = 3 H2SiF4 + 2 NO + 4 H2O
SO3 + KOH = K2SO4 + H2O =>
SO3 + 2 KOH = K2SO4 + H2O
CaCO3 + HC1 = H2O + CO2 + Ca =>
5 CaCO3 + 2 HC1 = H2O + 7 CO2 + 5 Ca
(NH4)2SO4 + CaBr2 = NH4Br + CaSO4 =>
(NH4)2SO4 + CaBr2 = 2 NH4Br + CaSO4
Co(OH)2 + HCl = CoOHCl + H2O =>
Co(OH)2 + HCl = CoOHCl + H2O
PtI4(S) = Pt(S) + I2(g) =>
PtI4(S) = Pt(S) + 2 I2(g)
FeSiO3 + H2O = Fe(OH)2 + SiO2 =>
FeSiO3 + H2O = Fe(OH)2 + SiO2
Si + HNO3 + HF = H2SiF4 + NO + H2O =>
3 Si + 2 HNO3 + 12 HF = 3 H2SiF4 + 2 NO + 4 H2O
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
K3[Fe(SCN)6] + KF = K3[FeF6] + KSCN =>
K3[Fe(SCN)6] + 6 KF = K3[FeF6] + 6 KSCN
Ba3P2 = Ba + P2 =>
Ba3P2 = 3 Ba + P2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
Bi(OH)3 + H2CrO4 = Bi2(CrO4)3 + H2O =>
2 Bi(OH)3 + 3 H2CrO4 = Bi2(CrO4)3 + 6 H2O
Na2C2O4 + Pb(NO3)2 = Na2(NO3)2 + PbC2O4 =>
Na2C2O4 + Pb(NO3)2 = Na2(NO3)2 + PbC2O4
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Équations équilibrées sur08/24/24
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