| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Fe3O4(s) + O2(g) = 6 Fe2O3(s)
(NH4)2WO4 + NH4SCN + HCl + SnCl2 = (NH4)2[WO(SCN)5] + NH4Cl + H2SnCl6 + H2O =>
2(NH4)2WO4 + 10 NH4SCN + 14 HCl + SnCl2 = 2(NH4)2[WO(SCN)5] + 10 NH4Cl + H2SnCl6 + 6 H2O
HNO3 + Pb(CH3COO)2 = CH3COOH + Pb(NO3)2 =>
2 HNO3 + Pb(CH3COO)2 = 2 CH3COOH + Pb(NO3)2
Mg2Cl2 + Na3(PO4)2 = Mg3(PO4)2 + Na3Cl3 =>
3 Mg2Cl2 + 2 Na3(PO4)2 = 2 Mg3(PO4)2 + 2 Na3Cl3
Na2S + Na2CrO4 + HCl = NaCl + S + H2O + CrCl3 =>
3 Na2S + 2 Na2CrO4 + 16 HCl = 10 NaCl + 3 S + 8 H2O + 2 CrCl3
Ca3(PO4)2 + H2 + SiO2 = Ca3SiO7 + H2O + P2 =>
Ca3(PO4)2 + 3 H2 + SiO2 = Ca3SiO7 + 3 H2O + P2
W + HNO3 + HF = H2[WF8] + NO2 + H2O =>
W + 6 HNO3 + 8 HF = H2[WF8] + 6 NO2 + 6 H2O
Cu + Pb(SO4)2 = CuSO4 + Pb =>
2 Cu + Pb(SO4)2 = 2 CuSO4 + Pb
Na2B4O7(s) + H2SO4(aq) + H2O(l) = H3BO3(aq) + Na2SO4(aq) =>
Na2B4O7(s) + H2SO4(aq) + 5 H2O(l) = 4 H3BO3(aq) + Na2SO4(aq)
Hg + NaF = HgF + Na =>
Hg + NaF = HgF + Na
Ca + P4 = CaP7 =>
4 Ca + 7 P4 = 4 CaP7
K[Al(OH)4] + H2C2O4 + K2C2O4 = K3[Al(C2O4)3] + H2O =>
K[Al(OH)4] + 2 H2C2O4 + K2C2O4 = K3[Al(C2O4)3] + 4 H2O
P2(OH)4 + H2S = P + S2 + H2O =>
P2(OH)4 + 2 H2S = 2 P + S2 + 4 H2O
NaOH(aq) + BaCl2(aq) = Ba(OH)2 + NaCl(aq) =>
2 NaOH(aq) + BaCl2(aq) = Ba(OH)2 + 2 NaCl(aq)
CaO + Na3PO4 = Ca3(PO4)2 + Na2O =>
3 CaO + 2 Na3PO4 = Ca3(PO4)2 + 3 Na2O
Cu3 + Mt7 = CuMt =>
7 Cu3 + 3 Mt7 = 21 CuMt
Mg(NO3)2 + AlCl3 = MgCl2 + Al(NO3)3 =>
3 Mg(NO3)2 + 2 AlCl3 = 3 MgCl2 + 2 Al(NO3)3
Ca2 + S4 = Ca2S4 =>
Ca2 + S4 = Ca2S4
ZnCl2 + Ca(OH)2 = CaCl2 + Zn(OH)2 =>
ZnCl2 + Ca(OH)2 = CaCl2 + Zn(OH)2
X2Y = X + Y =>
X2Y = 2 X + Y
PbS2 + CuCl = PbCl4 + Cu2S =>
PbS2 + 4 CuCl = PbCl4 + 2 Cu2S
I{-} + CrO4{2-} + H{+} = I2 + Cr{3+} + H2O =>
6 I{-} + 2 CrO4{2-} + 16 H{+} = 3 I2 + 2 Cr{3+} + 8 H2O
C2O4{2-} + HNO2 + H{+} = CO2 + NO + H2O =>
C2O4{2-} + 2 HNO2 + 2 H{+} = 2 CO2 + 2 NO + 2 H2O
Ar + Li = ArLi7 =>
Ar + 7 Li = ArLi7
FeO(OH) + HCl = Fe(OH)2Cl =>
FeO(OH) + HCl = Fe(OH)2Cl
K2CrO4 + H2SO4 + KI = K2SO4 + Cr2(SO4)3 + I + H2O =>
2 K2CrO4 + 8 H2SO4 + 6 KI = 5 K2SO4 + Cr2(SO4)3 + 6 I + 8 H2O
Pb + Au(NO3)3 = Pb(NO3)2 + Au =>
3 Pb + 2 Au(NO3)3 = 3 Pb(NO3)2 + 2 Au
KNO2 + HI = KI + HNO2 =>
KNO2 + HI = KI + HNO2
K[AI(OH)4] + H2SO4 = AI(OH)3 + H2O + K2SO4 =>
2 K[AI(OH)4] + H2SO4 = 2 AI(OH)3 + 2 H2O + K2SO4
C10H2O + O2 = CO2 + H2O =>
C10H2O + 10 O2 = 10 CO2 + H2O
Br2 + Na2CO3 = NaBr + NaBrO3 + CO2 =>
3 Br2 + 3 Na2CO3 = 5 NaBr + NaBrO3 + 3 CO2
Pb(NO3)2 + Na(SO4) = Pb(SO4)2 + Na(NO3) =>
Pb(NO3)2 + 2 Na(SO4) = Pb(SO4)2 + 2 Na(NO3)
Cu(NO3)2 + H2S = CuS(s) + HNO3 =>
Cu(NO3)2 + H2S = CuS(s) + 2 HNO3
Ag{+} + I2 + PY = [I(PY)2]{+} + AgI =>
Ag{+} + I2 + 2 PY = [I(PY)2]{+} + AgI
CH3COOH + MgO = Mg(CH3COO)2 + H2O =>
2 CH3COOH + MgO = Mg(CH3COO)2 + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NaOH + H3PO4 + OH = Na2PO5 + H2O =>
2 NaOH + H3PO4 + 3 OH = Na2PO5 + 4 H2O
Rb(s) + H2O(l) = Rb2O + H2 =>
2 Rb(s) + H2O(l) = Rb2O + H2
Fe(SO4)3 + Zn = FeZn + SO4 =>
Fe(SO4)3 + Zn = FeZn + 3 SO4
XY = X3 + Y4 =>
12 XY = 4 X3 + 3 Y4
Cr2O3 + NaOH = NaCrO2 + H2O =>
Cr2O3 + 2 NaOH = 2 NaCrO2 + H2O
Na + F = Na2F =>
2 Na + F = Na2F
C6H8O7H2O + NaOH = C6H5O7Na3 + H2O =>
C6H8O7H2O + 3 NaOH = C6H5O7Na3 + 4 H2O
H3NSO3 + NaClO3 = H2SO4 + N2 + NaCl + H2O =>
2 H3NSO3 + NaClO3 = 2 H2SO4 + N2 + NaCl + H2O
C6H5OH + CCl2 + NaOH = C6H4OHCOH + NaCl + H2O =>
C6H5OH + CCl2 + 2 NaOH = C6H4OHCOH + 2 NaCl + H2O
H2PdCl4 + KOH = Pd(OH)2 + KCl + H2O =>
H2PdCl4 + 4 KOH = Pd(OH)2 + 4 KCl + 2 H2O
C6H7N + O2 = H2O + N2 + CO2 =>
4 C6H7N + 31 O2 = 14 H2O + 2 N2 + 24 CO2
NaOH + H2SO4 = SO2 + H2O + NaSO4 =>
2 NaOH + 3 H2SO4 = SO2 + 4 H2O + 2 NaSO4
S2O3 = S{+3} + O{-2} =>
S2O3 = 2 S{+3} + 3 O{-2}
Zn(C18H35O2)2 + H2O = C18H36O2 + ZnO =>
Zn(C18H35O2)2 + H2O = 2 C18H36O2 + ZnO
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/31/24
Équations équilibrées sur04/30/23
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