| Équations équilibrées la veille |
CH3COOH + NaOH + 2 H2O = NaCH3COO*3H2O
K2Cr2O7 + KI + HNO3 = H2O + KNO3 + I2 + CrNO3 =>
K2Cr2O7 + 10 KI + 14 HNO3 = 7 H2O + 12 KNO3 + 5 I2 + 2 CrNO3
CrO7{2-} + Cl{-} + H3O{+} = Cr{3+} + Cl2 + H2O =>
2 CrO7{2-} + 18 Cl{-} + 28 H3O{+} = 2 Cr{3+} + 9 Cl2 + 42 H2O
Na2SO3 + SO2 + H2O = NaHSO3 =>
Na2SO3 + SO2 + H2O = 2 NaHSO3
C3H6O2(l) + O2(g) = CO2(g) + H2O(l) =>
2 C3H6O2(l) + 7 O2(g) = 6 CO2(g) + 6 H2O(l)
CuCl{+} + S{2-} = Cu(S) + Cl{-} =>
CuCl{+} + S{2-} = Cu(S) + Cl{-}
C3H6 + NH3 + O = C3H3N + H2O =>
C3H6 + NH3 + 3 O = C3H3N + 3 H2O
UO2(s) + HF(l) = UF4(s) + H2O(l) =>
UO2(s) + 4 HF(l) = UF4(s) + 2 H2O(l)
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
HNO3 + Li = LiNO3 + H2O + NO =>
4 HNO3 + 3 Li = 3 LiNO3 + 2 H2O + NO
KOH + H2PO2 = K2PO2 + H2O =>
2 KOH + H2PO2 = K2PO2 + 2 H2O
K + CrBr2 = KBr + Cr =>
2 K + CrBr2 = 2 KBr + Cr
KCl + NaHCO3 = K2CO3 + NaCl + CO2 + H2O =>
2 KCl + 2 NaHCO3 = K2CO3 + 2 NaCl + CO2 + H2O
C2H5OH + KMnO4 + H2SO4 = MnSO4 + K2SO4 + C2H3COOH + H2O =>
15 C2H5OH + 12 KMnO4 + 18 H2SO4 = 12 MnSO4 + 6 K2SO4 + 10 C2H3COOH + 43 H2O
[Cr(CO(NH2)2)6]4[Cr(CN)6] + KMnO4 + H2SO4 = K2Cr2O7 + KNO3 + CO2 + K2SO4 + MnSO4 + H2O =>
10[Cr(CO(NH2)2)6]4[Cr(CN)6] + 936 KMnO4 + 1109 H2SO4 = 25 K2Cr2O7 + 540 KNO3 + 300 CO2 + 173 K2SO4 + 936 MnSO4 + 1589 H2O
HSiCl3(l) + H2O(l) = H10Si10O15(s) + HCl(aq) =>
10 HSiCl3(l) + 15 H2O(l) = H10Si10O15(s) + 30 HCl(aq)
CuS + KOH = CuOH + KS =>
CuS + KOH = CuOH + KS
K2CO3 + H2O + Fe(OH)3 + Ce(NO)4 + KOH = K4Fe(CN)6 + Ce(OH)3 + KNO3 =>
90 K2CO3 + 52 H2O + 15 Fe(OH)3 + 61 Ce(NO)4 + 34 KOH = 15 K4Fe(CN)6 + 61 Ce(OH)3 + 154 KNO3
HCHO = H2 + CO =>
HCHO = H2 + CO
KOH + LiCl = KCl + LiOH =>
KOH + LiCl = KCl + LiOH
Mg(s) + Cu(NO3)2 = Mg(NO3)2 + Cu =>
Mg(s) + Cu(NO3)2 = Mg(NO3)2 + Cu
Ae + Ce2 = AeCe3 =>
2 Ae + 3 Ce2 = 2 AeCe3
HI + Ba(OH)2 = BaI2 + H2O =>
2 HI + Ba(OH)2 = BaI2 + 2 H2O
KOH + C2H2O4 = KC2O4H + H2O =>
KOH + C2H2O4 = KC2O4H + H2O
Pb(CH3COO)2 + (NH4)2SO4 = PbSO4 + NH4CH3COO =>
Pb(CH3COO)2 + (NH4)2SO4 = PbSO4 + 2 NH4CH3COO
NH3 + KCl = KNH2 + HCl =>
NH3 + KCl = KNH2 + HCl
K2Cr2O7 + SnSO4 + HSO4 = Sn(SO4)4 + Cr(SO4)3 + KSO4 + H2O =>
K2Cr2O7 + 2 SnSO4 + 14 HSO4 = 2 Sn(SO4)4 + 2 Cr(SO4)3 + 2 KSO4 + 7 H2O
NaHCO3 + H2O2 = Na2O2 + CO2 + H2O =>
2 NaHCO3 + H2O2 = Na2O2 + 2 CO2 + 2 H2O
KBr + HI = KI + HBr =>
KBr + HI = KI + HBr
NaNO2 + Fe2(SO4)3 = Na2SO4 + Fe(NO2)3 =>
6 NaNO2 + Fe2(SO4)3 = 3 Na2SO4 + 2 Fe(NO2)3
SeCl2 + O2 = SeO2 + Cl2 =>
SeCl2 + O2 = SeO2 + Cl2
Cr(OH)3 + H3O{+} = Cr(H2O)6{3+} =>
Cr(OH)3 + 3 H3O{+} = Cr(H2O)6{3+}
Mg + H2SO3 = MgSO3 + H2 =>
Mg + H2SO3 = MgSO3 + H2
H2X + KOH = KHX + H2O =>
H2X + KOH = KHX + H2O
K2Cr2O7 + FeO + HCl = Cr2O3 + FeCl3 + KCl + H2O =>
K2Cr2O7 + 6 FeO + 20 HCl = Cr2O3 + 6 FeCl3 + 2 KCl + 10 H2O
H2S + CO = CH3CO2H + S8 =>
8 H2S + 8 CO = 4 CH3CO2H + S8
KHCO3 + Ba(NO3)2 = Ba(HCO3)2 + KNO3 =>
2 KHCO3 + Ba(NO3)2 = Ba(HCO3)2 + 2 KNO3
Zn(OH)3 + HCl = ZnCl3 + H2O =>
Zn(OH)3 + 3 HCl = ZnCl3 + 3 H2O
TiOCl2 + (NH4)2CO3 = TiOCO3 + NH4Cl =>
TiOCl2 + (NH4)2CO3 = TiOCO3 + 2 NH4Cl
NaOH + CO2 = NaCO3 + H =>
NaOH + CO2 = NaCO3 + H
Al(KOH) + NaOH = AlOH + Na(KOH) =>
Al(KOH) + NaOH = AlOH + Na(KOH)
H + M = MH3 =>
3 H + M = MH3
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
AuHCl = Au + HCl =>
AuHCl = Au + HCl
(ZnOH)2CO3 + H2O = Zn(OH)2 + CO2 =>
(ZnOH)2CO3 + H2O = 2 Zn(OH)2 + CO2
C + HNO3 = CHNO3 =>
C + HNO3 = CHNO3
BaO + H2SO4 = BaSO4 + OH2 =>
BaO + H2SO4 = BaSO4 + OH2
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
Cl2(g) + MgI2(aq) = MgCl2 + I2 =>
Cl2(g) + MgI2(aq) = MgCl2 + I2
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
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Équations équilibrées sur10/17/24
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