| Équations équilibrées la veille |
2 H3Po4 + 6 Na = 3 H2 + 2 Na3Po4
NH2Cl = N2 + NH4Cl + HCl =>
3 NH2Cl = N2 + NH4Cl + 2 HCl
Sr + H2O = Sr(OH)2 + H2 =>
Sr + 2 H2O = Sr(OH)2 + H2
Ti + KOH + H2O = KTi(OH)4 + H2 =>
2 Ti + 2 KOH + 6 H2O = 2 KTi(OH)4 + 3 H2
Br2 + BaI2 = BaBr2 + I2 =>
Br2 + BaI2 = BaBr2 + I2
Na + Sn(NO3)4 = NaNO3 + Sn =>
4 Na + Sn(NO3)4 = 4 NaNO3 + Sn
NaCl2 + KOH = Na(OH)2 + KCl =>
NaCl2 + 2 KOH = Na(OH)2 + 2 KCl
CuSO4(aq) + HCl(aq) = CuCl42(aq) + H(aq) + H2SO4(aq) =>
CuSO4(aq) + 42 HCl(aq) = CuCl42(aq) + 40 H(aq) + H2SO4(aq)
Fe(No3)3 + Na2SO4 = Fe2(SO4)3 + NaNo3 =>
2 Fe(No3)3 + 3 Na2SO4 = Fe2(SO4)3 + 6 NaNo3
NaCl + Hg2CO3 = HgCl + Na2CO3 =>
2 NaCl + Hg2CO3 = 2 HgCl + Na2CO3
WS2 + CO + H2O = W2C + H2S + CO2 =>
2 WS2 + 6 CO + 4 H2O = W2C + 4 H2S + 5 CO2
Pb2O4 = Pb3O2 + O2 =>
3 Pb2O4 = 2 Pb3O2 + 4 O2
H2O + SO3{-2} + Fe{+3} = SO4{-2} + Fe{+2} + H{+} =>
H2O + SO3{-2} + 2 Fe{+3} = SO4{-2} + 2 Fe{+2} + 2 H{+}
Cr2O7{-2} + H2S + H{+} = Cr{+3} + S + H2O =>
Cr2O7{-2} + 3 H2S + 8 H{+} = 2 Cr{+3} + 3 S + 7 H2O
CaOH + CO2 = Ca2CO3 + H2O =>
2 CaOH + CO2 = Ca2CO3 + H2O
H1{+} + Cr2O7{2-} + C2H6O = Cr{3+} + CO2 + H2O =>
16 H1{+} + 2 Cr2O7{2-} + C2H6O = 4 Cr{3+} + 2 CO2 + 11 H2O
HCH2CO2 + ClOH = ClCH2CO2 + H2O =>
HCH2CO2 + ClOH = ClCH2CO2 + H2O
Fe(CO3)3 = FeO3 + CO2 =>
Fe(CO3)3 = FeO3 + 3 CO2
Cu(NH3)6 = Cu(N)6 + H =>
Cu(NH3)6 = Cu(N)6 + 18 H
As + HNO3 + H2O = H3AsO4 + NO =>
3 As + 5 HNO3 + 2 H2O = 3 H3AsO4 + 5 NO
Br2 + KCrO2 + NaOH = Na2CrO4 + NaBr + KBr + H2O =>
3 Br2 + 2 KCrO2 + 8 NaOH = 2 Na2CrO4 + 4 NaBr + 2 KBr + 4 H2O
FeCl2 + H2O + O2 = Fe2O3 + HClO =>
4 FeCl2 + 4 H2O + 5 O2 = 2 Fe2O3 + 8 HClO
NO(r) + O2(r) = NO2(r) =>
2 NO(r) + O2(r) = 2 NO2(r)
CH4N2O + NaClO = CO2 + N2 + NaCl + H2O =>
CH4N2O + 3 NaClO = CO2 + N2 + 3 NaCl + 2 H2O
HNO3 + ZnF2 = HF + ZnO + NO2 + O2 =>
4 HNO3 + 2 ZnF2 = 4 HF + 2 ZnO + 4 NO2 + O2
C4H6O5 = C4H4O4 + H2O =>
C4H6O5 = C4H4O4 + H2O
H2CO3(aq) + CsOH(aq) = H2O + Cs2CO3 =>
H2CO3(aq) + 2 CsOH(aq) = 2 H2O + Cs2CO3
H2F + HNO3 = F + NO + H2O =>
3 H2F + 2 HNO3 = 3 F + 2 NO + 4 H2O
Cr2O3 + Mg = MgO + Cr =>
Cr2O3 + 3 Mg = 3 MgO + 2 Cr
X2CO3 + HNO3 = XNO3 + CO2 + H2O =>
X2CO3 + 2 HNO3 = 2 XNO3 + CO2 + H2O
HClO4 + Ba(OH)2 = H2O + Ba + ClO4 =>
2 HClO4 + Ba(OH)2 = 2 H2O + Ba + 2 ClO4
Na2CrO4 + P2O3 + NaOH + H2O = Na3[Cr(OH)6] + Na3PO4 =>
4 Na2CrO4 + 3 P2O3 + 22 NaOH + H2O = 4 Na3[Cr(OH)6] + 6 Na3PO4
CO2 + H2O = C8H6O + O2 =>
8 CO2 + 3 H2O = C8H6O + 9 O2
Ba(NO3)2(aq) + CuSO4(aq) = BaSO4(s) + Cu(NO3)2(aq) =>
Ba(NO3)2(aq) + CuSO4(aq) = BaSO4(s) + Cu(NO3)2(aq)
KI + Mg = MgI + K =>
KI + Mg = MgI + K
Cl2 + HCo = CoCl2 + HCl =>
3 Cl2 + 2 HCo = 2 CoCl2 + 2 HCl
HCl + Sn + HNO3 = SnCl2 + H2O + NH4Cl =>
9 HCl + 4 Sn + HNO3 = 4 SnCl2 + 3 H2O + NH4Cl
AlBr3(aq) + K2SO4(aq) = Al2(SO4)3(s) + KBr(aq) =>
2 AlBr3(aq) + 3 K2SO4(aq) = Al2(SO4)3(s) + 6 KBr(aq)
ZnCO3 + MgSO4 = ZnSO4 + MgCO3 =>
ZnCO3 + MgSO4 = ZnSO4 + MgCO3
ZnCl2 + KNO3 = Zn(NO3)2 + KCl =>
ZnCl2 + 2 KNO3 = Zn(NO3)2 + 2 KCl
AgI2 = Ag + I2 =>
AgI2 = Ag + I2
Ca(OH)2 + H2O = Ca(OH2)4 + OH =>
Ca(OH)2 + 4 H2O = Ca(OH2)4 + 2 OH
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
CH4(g) + NO(g) = CO2(g) + N2(g) + H2O(g) =>
CH4(g) + 4 NO(g) = CO2(g) + 2 N2(g) + 2 H2O(g)
H2PtCl6 + C8H12 + CH3COOH = C8H12Cl2Pt + CH3COOCl + HCl =>
H2PtCl6 + C8H12 + CH3COOH = C8H12Cl2Pt + CH3COOCl + 3 HCl
NaHCO3 + (COOH)2 = Na2(COO)2 + H2CO3 =>
2 NaHCO3 + (COOH)2 = Na2(COO)2 + 2 H2CO3
P + Cl3 + O2 = POCl3 =>
2 P + 2 Cl3 + O2 = 2 POCl3
K2MnO4 + KI + H2O = MnO2 + KIO3 + KOH =>
3 K2MnO4 + KI + 3 H2O = 3 MnO2 + KIO3 + 6 KOH
Al + H8O5 = Al2O3 + H2 =>
10 Al + 3 H8O5 = 5 Al2O3 + 12 H2
FeCl3 + Mg(OH)2 = Fe(OH)3 + MgCl2 =>
2 FeCl3 + 3 Mg(OH)2 = 2 Fe(OH)3 + 3 MgCl2
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