| Équations équilibrées la veille |
CH3COOH + H2SO4 = H3SO4 + CH3COO
(HNCO)2(H2NCN) + HCl + H2O = (HNCO)3 + NH4 + Cl =>
(HNCO)2(H2NCN) + HCl + H2O = (HNCO)3 + NH4 + Cl
NO3H + Na2CO3 = NaNO3 + H2O + CO2 =>
2 NO3H + Na2CO3 = 2 NaNO3 + H2O + CO2
ZnO + AlF3 = ZnF2 + Al2O3 =>
3 ZnO + 2 AlF3 = 3 ZnF2 + Al2O3
MnO2{+} + Br{-} + H{+} = Mn{2+} + Br2{+} + H2O =>
MnO2{+} + 2 Br{-} + 4 H{+} = Mn{2+} + Br2{+} + 2 H2O
Ca(NO3)2 + Al2(SO4)3 = Al(NO3)3 + CaSO4 =>
3 Ca(NO3)2 + Al2(SO4)3 = 2 Al(NO3)3 + 3 CaSO4
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
(NH4)2S + NaOH = Na2S + NH4(OH) =>
(NH4)2S + 2 NaOH = Na2S + 2 NH4(OH)
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
CO2 + FeO = Fe2C + O3 =>
3 CO2 + 6 FeO = 3 Fe2C + 4 O3
P + O12111 = P2O5121 =>
8074 P + 1707 O12111 = 4037 P2O5121
Mg + HClO4 = Mg2ClO4 + H =>
2 Mg + HClO4 = Mg2ClO4 + H
MgO2 + H2O = Mg(OH)2 + H2O2 =>
MgO2 + 2 H2O = Mg(OH)2 + H2O2
P + O12111 = P2O5121 =>
8074 P + 1707 O12111 = 4037 P2O5121
NH4ONa = NH4 + NaO =>
NH4ONa = NH4 + NaO
NaBr + KMnO4 + H2SO4 = Br2 + MnO2 + Na2SO4 + K2SO4 + H2O =>
6 NaBr + 2 KMnO4 + 4 H2SO4 = 3 Br2 + 2 MnO2 + 3 Na2SO4 + K2SO4 + 4 H2O
Al(OH)3 + NaOH + H2O = Na[Al(OH)6] + H2 =>
Al(OH)3 + NaOH + 2 H2O = Na[Al(OH)6] + H2
CuCe2 + O2 = CuO + CeO =>
2 CuCe2 + 3 O2 = 2 CuO + 4 CeO
MgI2 + NaNO3 = Mg(NO3)2 + NaI =>
MgI2 + 2 NaNO3 = Mg(NO3)2 + 2 NaI
Cu(NO3)2 + H2SO4 = CuSO4 + HNO3 =>
Cu(NO3)2 + H2SO4 = CuSO4 + 2 HNO3
C10H16N2O8 = C10 + H16 + N2 + O8 =>
C10H16N2O8 = C10 + H16 + N2 + O8
H2SO4 + SrOH = H2O + HSrSO4 =>
H2SO4 + SrOH = H2O + HSrSO4
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
Zn + HCI = H + ZnCI =>
Zn + HCI = H + ZnCI
CO(g) + H2(g) = C8H18(l) + H2O =>
8 CO(g) + 17 H2(g) = C8H18(l) + 8 H2O
FeCl3 + H2SO4 = Fe2(SO4)3 + HCl =>
2 FeCl3 + 3 H2SO4 = Fe2(SO4)3 + 6 HCl
AgO + Na2HPO3 + NaOH = Ag + Na3PO4 + H2O =>
AgO + Na2HPO3 + NaOH = Ag + Na3PO4 + H2O
NaHCO3 + H3C6H5O7 = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + H3C6H5O7 = 3 CO2 + 3 H2O + Na3C6H5O7
Fe2O3(s) + H2(s) = Fe(s) + H2O(l) =>
Fe2O3(s) + 3 H2(s) = 2 Fe(s) + 3 H2O(l)
C2H6O + CrO3 + H2SO4 = C2H4O + Cr2(SO4)3 + H2O =>
3 C2H6O + 2 CrO3 + 3 H2SO4 = 3 C2H4O + Cr2(SO4)3 + 6 H2O
(MgFe)2SiO4 + H2O = FeMg(OH)2 + SiO2 =>
(MgFe)2SiO4 + 2 H2O = 2 FeMg(OH)2 + SiO2
C2H2 + KMnO4 = KOOCCOOK + MnO2 + KOH + H2O =>
3 C2H2 + 8 KMnO4 = 3 KOOCCOOK + 8 MnO2 + 2 KOH + 2 H2O
NaCO + AgNO = AgCO + NaNO =>
NaCO + AgNO = AgCO + NaNO
CH4(g) + H2O = CO + H2 =>
CH4(g) + H2O = CO + 3 H2
C2 + S2 = CS =>
C2 + S2 = 2 CS
I2(s) + HCl(aq) = ICl3 + H2 =>
I2(s) + 6 HCl(aq) = 2 ICl3 + 3 H2
I2(s) + HCl(aq) = HI + Cl =>
I2(s) + 2 HCl(aq) = 2 HI + 2 Cl
H2C6H6O6 + NaOH = Na2(C6H6O6) + H2O =>
H2C6H6O6 + 2 NaOH = Na2(C6H6O6) + 2 H2O
CH6 + O2 = CO2 + H6 =>
CH6 + O2 = CO2 + H6
Zn(NO3)2 + KSCN = Zn(SCN)2 + KNO3 =>
Zn(NO3)2 + 2 KSCN = Zn(SCN)2 + 2 KNO3
I2 + KOH = KIO3 + KI + H2O =>
3 I2 + 6 KOH = KIO3 + 5 KI + 3 H2O
SbS3 + HNO3 + H2O = H[Sb(OH)6] + H2SO4 + NO =>
3 SbS3 + 23 HNO3 + 8 H2O = 3 H[Sb(OH)6] + 9 H2SO4 + 23 NO
C17H35COONa + Ca = (C17H35COO)2Ca2 + Na =>
2 C17H35COONa + 2 Ca = (C17H35COO)2Ca2 + 2 Na
C3H7OH + O2 = OH + C3H6O2 =>
2 C3H7OH + 3 O2 = 4 OH + 2 C3H6O2
FeS2 + H{+} + NO3{-} = Fe{3+} + SO4{2-} + NO2 + H2O =>
FeS2 + 14 H{+} + 15 NO3{-} = Fe{3+} + 2 SO4{2-} + 15 NO2 + 7 H2O
C2O6H5NH4 + KClO3 = NH4ClO3 + C2O6H5K =>
C2O6H5NH4 + KClO3 = NH4ClO3 + C2O6H5K
B + Pd2O3 = B2O3 + Pd =>
2 B + Pd2O3 = B2O3 + 2 Pd
CO2 + NH4OH = NHCO + H2O =>
CO2 + NH4OH = NHCO + 2 H2O
K2Cr2O7 + K2S + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
4 K2Cr2O7 + 3 K2S + 16 H2SO4 = 4 Cr2(SO4)3 + 7 K2SO4 + 16 H2O
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