| Équations équilibrées la veille |
3 CH3{-}COOH + 4 Cr2O7{2-} + 35 H{+} = 3 CO2 + 22 H2O + 8 Cr{3+}
K2CrO4 + SO2 + H2O = K2SO4 + Cr2(SO4)3 + H2 =>
2 K2CrO4 + 5 SO2 + 2 H2O = 2 K2SO4 + Cr2(SO4)3 + 2 H2
CuSO4 + HCl = CuCl2 + H2SO4 =>
CuSO4 + 2 HCl = CuCl2 + H2SO4
P2O5 + Cr(OH)2 = Cr3(PO4)2 + H2O =>
P2O5 + 3 Cr(OH)2 = Cr3(PO4)2 + 3 H2O
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
MgCO3 + H2SO4 = Mg(SO4) + H2CO3 =>
MgCO3 + H2SO4 = Mg(SO4) + H2CO3
KF + Sc(NO3)3 = KSc3F10 + KNO3 =>
10 KF + 3 Sc(NO3)3 = KSc3F10 + 9 KNO3
Ca10F2(PO4)6 + HCl = H3PO4 + CaCl2 + HF =>
Ca10F2(PO4)6 + 20 HCl = 6 H3PO4 + 10 CaCl2 + 2 HF
Ag2O + Na2HPO3 + NaOH = Ag + Na3PO4 + H2O =>
Ag2O + Na2HPO3 + NaOH = 2 Ag + Na3PO4 + H2O
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
Cl6Si2 + H2O = SiO2 + HCl + H2 =>
Cl6Si2 + 4 H2O = 2 SiO2 + 6 HCl + H2
NH4Cl + NaOH = NH3 + H2O + NaCl = =>
NH4Cl + NaOH = NH3 + H2O + NaCl
KCl + CuSO4 = KSO4 + CuCl =>
KCl + CuSO4 = KSO4 + CuCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CH2O2 + KOH = CHKO2 + H2O =>
CH2O2 + KOH = CHKO2 + H2O
I{-} + H{+} + SO4{2-} = I2 + H2S2 + H2O =>
14 I{-} + 18 H{+} + 2 SO4{2-} = 7 I2 + H2S2 + 8 H2O
CuSO4 + NaOH + CH3COH3 = Cu2O + CH3COOH + Na2SO4 + H2O =>
4 CuSO4 + 8 NaOH + CH3COH3 = 2 Cu2O + CH3COOH + 4 Na2SO4 + 5 H2O
NaF + AgNO3 = AgF + NaNO3 =>
NaF + AgNO3 = AgF + NaNO3
K2Cr2O7 + HI = I2 + CrI3 + KI + H2O =>
K2Cr2O7 + 14 HI = 3 I2 + 2 CrI3 + 2 KI + 7 H2O
CuSO4 + NaOH + CH3COH3 = Cu2O + CH3COOH + Na2SO4 + H2O =>
4 CuSO4 + 8 NaOH + CH3COH3 = 2 Cu2O + CH3COOH + 4 Na2SO4 + 5 H2O
ZnO + HNO3 = Zn[NO3]2 + H2O =>
ZnO + 2 HNO3 = Zn[NO3]2 + H2O
Ca3P2 + H2O = PH3 + Ca{2+} + OH{-} =>
Ca3P2 + 6 H2O = 2 PH3 + 3 Ca{2+} + 6 OH{-}
CH3(CH2)2CH3(g) + O2 = CO2(g) + H2O(g) =>
2 CH3(CH2)2CH3(g) + 13 O2 = 8 CO2(g) + 10 H2O(g)
Mg + H2SO4 = MgSO4 + H2S + H2O =>
4 Mg + 5 H2SO4 = 4 MgSO4 + H2S + 4 H2O
NaI + KMnO4 + H2SO4 = I2 + MnSO4 + H2O + KSO4 + Na2SO4 =>
4 NaI + KMnO4 + 4 H2SO4 = 2 I2 + MnSO4 + 4 H2O + KSO4 + 2 Na2SO4
HCl + Cu(OH)2 = Cu(Cl)2 + H2O =>
2 HCl + Cu(OH)2 = Cu(Cl)2 + 2 H2O
BaCl2 + H2(SO4) = BaSO4 + HCl =>
BaCl2 + H2(SO4) = BaSO4 + 2 HCl
NH4Br + H2SO4 = HBr + NH4HSO4 =>
NH4Br + H2SO4 = HBr + NH4HSO4
HCO2Na + HCl + H2O = H3O + NaCl + HCO2 =>
HCO2Na + HCl + H2O = H3O + NaCl + HCO2
(NH4)2MoO4 + BaCl2 = BaMoO4 + NH4Cl =>
(NH4)2MoO4 + BaCl2 = BaMoO4 + 2 NH4Cl
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
Al + CF = AlF3 + C =>
Al + 3 CF = AlF3 + 3 C
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HC2H3O2(g) + NaOH(aq) = NaC2H3O2(aq) + H2O(l) =>
HC2H3O2(g) + NaOH(aq) = NaC2H3O2(aq) + H2O(l)
B2O3 + H2O = B(OH)4 + H3O =>
B2O3 + 7 H2O = 2 B(OH)4 + 2 H3O
SiCl4(l) + H2O(l) = SiO2(s) + HCl(ad) =>
SiCl4(l) + 2 H2O(l) = SiO2(s) + 4 HCl(ad)
KFe[Fe(CN)6] + NaOH = Na3[Fe(CN)6] + K3[Fe(CN)6] + Fe(OH)2 =>
3 KFe[Fe(CN)6] + 6 NaOH = 2 Na3[Fe(CN)6] + K3[Fe(CN)6] + 3 Fe(OH)2
H2SO4 + NaOH + KMnO4 = KOH + Na2SO4 + HMnO4 =>
H2SO4 + 2 NaOH + 2 KMnO4 = 2 KOH + Na2SO4 + 2 HMnO4
C2H3NaO2 + HCl = NaCl + CO + H1 =>
C2H3NaO2 + HCl = NaCl + 2 CO + 4 H1
LiOH + H3PO4 = Li2HPO4 + H2O =>
2 LiOH + H3PO4 = Li2HPO4 + 2 H2O
Na2C2O4 + Ca(HCO3)2 = CaNa2C2O4 + HCO3 =>
Na2C2O4 + Ca(HCO3)2 = CaNa2C2O4 + 2 HCO3
AlCl3*6H2O + NH4OH = Al(OH)3 + NH4Cl + H2O =>
AlCl3*6H2O + 3 NH4OH = Al(OH)3 + 3 NH4Cl + 6 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
(NH4)2SO4(s) + HCl(aq) = H2SO4(aq) + NH4Cl(aq) =>
(NH4)2SO4(s) + 2 HCl(aq) = H2SO4(aq) + 2 NH4Cl(aq)
HSO4{-} + OH{-} = SO4{2-} + H2O =>
HSO4{-} + OH{-} = SO4{2-} + H2O
Ba(OH)2(s) + NaCl(aq) = BaCl2(aq) + NaOH(aq) =>
Ba(OH)2(s) + 2 NaCl(aq) = BaCl2(aq) + 2 NaOH(aq)
KI + NaNO2 + H2SO4 = NO + Na2SO4 + K2SO4 + I2 + H2O =>
2 KI + 2 NaNO2 + 2 H2SO4 = 2 NO + Na2SO4 + K2SO4 + I2 + 2 H2O
Co2 + Al = Al2Co =>
Co2 + 4 Al = 2 Al2Co
Sm2O3 + RuO2 = Sm2Ru2O7 =>
Sm2O3 + 2 RuO2 = Sm2Ru2O7
Li2CrO4 + FeCl3 = LiCl + Fe2(CrO4)3 =>
3 Li2CrO4 + 2 FeCl3 = 6 LiCl + Fe2(CrO4)3
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