| Équations équilibrées la veille |
Na2SO3 + K2SO3 = 2 NaKSO3
C4H8Cl2 + O2 = CO2 + H2O + OCl2 =>
2 C4H8Cl2 + 13 O2 = 8 CO2 + 8 H2O + 2 OCl2
SnCl2 + HCl + O2 = H2SnCl6 + H2O =>
2 SnCl2 + 8 HCl + O2 = 2 H2SnCl6 + 2 H2O
Ca + MgBr2 = CaBr2 + Mg =>
Ca + MgBr2 = CaBr2 + Mg
(MgOH)2CO3 = MgO + CO2 + H2O =>
(MgOH)2CO3 = 2 MgO + CO2 + H2O
CaSO4 + CaS = CaO + SO2 =>
3 CaSO4 + CaS = 4 CaO + 4 SO2
KCl + Mg(OH)2 = KOH + MgCl2 =>
2 KCl + Mg(OH)2 = 2 KOH + MgCl2
[Fe(H2O)6]{2+} + HNO3 + H3O{+} = [Fe(H2O)6]{3+} + NO + H2O =>
3[Fe(H2O)6]{2+} + HNO3 + 3 H3O{+} = 3[Fe(H2O)6]{3+} + NO + 5 H2O
Ag2CrO4 + CH3COOH = Ag2CH3COO + Cr2O7 + H2O =>
2 Ag2CrO4 + 2 CH3COOH = 2 Ag2CH3COO + Cr2O7 + H2O
Zn(OH)2 + H2O = H3O{+} + ZnO2{2-} =>
Zn(OH)2 + 2 H2O = 2 H3O{+} + ZnO2{2-}
[Co(NH3)6]Cl2 + H2S + H2O = CoS + NH4Cl + NH4OH =>
[Co(NH3)6]Cl2 + H2S + 4 H2O = CoS + 2 NH4Cl + 4 NH4OH
P2O5 + NaOH = Na3PO4 + H2O =>
P2O5 + 6 NaOH = 2 Na3PO4 + 3 H2O
K2HPO4 + Ca(OH)2 = Ca3(PO4)2 + KOH + H2O =>
2 K2HPO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 4 KOH + 2 H2O
Ca + H2O = Ca{2+} + HO{-} + H2 =>
Ca + 2 H2O = Ca{2+} + 2 HO{-} + H2
HO2 + NO = OH + NO2 =>
HO2 + NO = OH + NO2
CH3COOH + SCl2 = S8 + CClH2COOH + HCl =>
8 CH3COOH + 8 SCl2 = S8 + 8 CClH2COOH + 8 HCl
C2H6O + Cr2O7{-}2 + H{+} = C2H4O + H2O + Cr3{+} =>
37 C2H6O + 6 Cr2O7{-}2 + 10 H{+} = 37 C2H4O + 42 H2O + 4 Cr3{+}
Fe2(SO4)3 + NaOH = Fe2OH + Na(SO4)3 =>
Fe2(SO4)3 + NaOH = Fe2OH + Na(SO4)3
AlCl3 + NaOH = Na(Al(OH)4) + NaCl =>
AlCl3 + 4 NaOH = Na(Al(OH)4) + 3 NaCl
HCl + Ca(HCO3)2 = CaCl2 + H(HCO3) =>
2 HCl + Ca(HCO3)2 = CaCl2 + 2 H(HCO3)
(Co(N2H2(CH3)2)2(P(C6H5)3))3(Co(NO2)6)2 + KMnO4 + H2SO4 = CoSO4 + N2 + H2O + H3PO4 + MnSO4 + K2SO4 + CO2 =>
5(Co(N2H2(CH3)2)2(P(C6H5)3))3(Co(NO2)6)2 + 334 KMnO4 + 526 H2SO4 = 25 CoSO4 + 60 N2 + 736 H2O + 15 H3PO4 + 334 MnSO4 + 167 K2SO4 + 330 CO2
BaS + KNO3 = Ba(NO3)2 + K2S =>
BaS + 2 KNO3 = Ba(NO3)2 + K2S
OHC{-}CHO + [Ag(NH3)2]OH = NH4OOC{-}COONH4 + Ag + NH3 + H2O =>
OHC{-}CHO + 2[Ag(NH3)2]OH = NH4OOC{-}COONH4 + 2 Ag + 3 NH3 + H2O
CH2O + H + Cl = CH4 + ClO =>
CH2O + 2 H + Cl = CH4 + ClO
Ti3Al + TiCl4 = Ti2Cl6 + AlCl3 =>
2 Ti3Al + 24 TiCl4 = 15 Ti2Cl6 + 2 AlCl3
CrO4 + H2SO4 = CrO2 + SO4 + H2O =>
CrO4 + 2 H2SO4 = CrO2 + 2 SO4 + 2 H2O
MgSO4 + CaS = CaSO4 + MgS =>
MgSO4 + CaS = CaSO4 + MgS
C6H5Cl + C2H5OH = C2H5Cl + C6H5OH =>
C6H5Cl + C2H5OH = C2H5Cl + C6H5OH
Ca(NO3)2(aq) + Na2S(aq) = NaNO3(aq) + CaS(s) =>
Ca(NO3)2(aq) + Na2S(aq) = 2 NaNO3(aq) + CaS(s)
Fe2(SO4)3 + K3[Fe(CN)6] = Fe + [Fe(CN)6]2 + K2SO4 =>
Fe2(SO4)3 + 2 K3[Fe(CN)6] = 2 Fe + [Fe(CN)6]2 + 3 K2SO4
Na(s) + H2O(l) = H2 + NaOH =>
2 Na(s) + 2 H2O(l) = H2 + 2 NaOH
CrCl2 + KOH = Cr(OH)2 + KCl =>
CrCl2 + 2 KOH = Cr(OH)2 + 2 KCl
Ca + Cl = Ca3Cl5 =>
3 Ca + 5 Cl = Ca3Cl5
Cl2(r) + NaBr(p) = Br2 + NaCl =>
Cl2(r) + 2 NaBr(p) = Br2 + 2 NaCl
CrO7{2-} + SO3{2-} + H{+} = Cr{3+} + SO4{2-} + H2O =>
2 CrO7{2-} + 9 SO3{2-} + 10 H{+} = 2 Cr{3+} + 9 SO4{2-} + 5 H2O
AlN + HCl = AlCl3 + H3N =>
AlN + 3 HCl = AlCl3 + H3N
O2C + C = OC2 =>
O2C + 3 C = 2 OC2
[Fe(H2O)6]{2+} + HNO2 + H3O{+} = [Fe(H2O)6]{3+} + NO + H2O =>
[Fe(H2O)6]{2+} + HNO2 + H3O{+} = [Fe(H2O)6]{3+} + NO + 2 H2O
Na2SO4 + NH4ClO3 = NaClO3 + (NH4)2SO4 =>
Na2SO4 + 2 NH4ClO3 = 2 NaClO3 + (NH4)2SO4
Cr2O7{-} + I{-} + H{+} = Cr3{+} + I2 + H2O =>
6 Cr2O7{-} + 74 I{-} + 84 H{+} = 4 Cr3{+} + 37 I2 + 42 H2O
(NH4)2HPO4 + BaCl2 = (NH4)Cl + BaHPO4 =>
(NH4)2HPO4 + BaCl2 = 2(NH4)Cl + BaHPO4
Pb + H3PO4 = Pb3(PO4)2 + H2 =>
3 Pb + 2 H3PO4 = Pb3(PO4)2 + 3 H2
K2HPO4 + Ca(OH)2 = Ca3(PO4)2 + KOH + H2O =>
2 K2HPO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 4 KOH + 2 H2O
O = O6 =>
6 O = O6
NaCl + H2SO4 = Na2SO3 + Cl2 + H2O =>
2 NaCl + H2SO4 = Na2SO3 + Cl2 + H2O
H3BO3 = H4B6O11 + H2O =>
6 H3BO3 = H4B6O11 + 7 H2O
CHCHCHCHCHCH + CH3Cl = CHCHCHCHCHCH(CH3) + HCl =>
5 CHCHCHCHCHCH + 12 CH3Cl = 6 CHCHCHCHCHCH(CH3) + 12 HCl
C6H6(l) + O2(g) = H2O(l) + CO2(g)(l) =>
2 C6H6(l) + 15 O2(g) = 6 H2O(l) + 12 CO2(g)(l)
K2Cr2O7 + Fe(NH4)2(SO4)2 + H2SO4 = CrSO4 + Fe2(SO4)3 + K2SO4 + (NH4)2SO4 + H2O =>
K2Cr2O7 + 8 Fe(NH4)2(SO4)2 + 7 H2SO4 = 2 CrSO4 + 4 Fe2(SO4)3 + K2SO4 + 8(NH4)2SO4 + 7 H2O
HgI + Br2 = HgBr2 + I2 =>
2 HgI + 2 Br2 = 2 HgBr2 + I2
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