| Équations équilibrées la veille |
4 KMnO4 + 5 C2H5OH + 12 HCl = 5 CH3COOH + 11 H2O + 4 KMnCl3
Au + CN{-} + O2 + H2O = Au(CN)4{-} + OH{-} =>
4 Au + 16 CN{-} + 3 O2 + 6 H2O = 4 Au(CN)4{-} + 12 OH{-}
K2Cr2O7 + H2SO4 + H2S = Cr2(SO4)3 + KSO3 + H2O =>
K2Cr2O7 + 4 H2SO4 + H2S = Cr2(SO4)3 + 2 KSO3 + 5 H2O
Fe + H3PO4 = FePO4 + H2 =>
2 Fe + 2 H3PO4 = 2 FePO4 + 3 H2
O2 + C2H6 = C2 + OH3 =>
O2 + C2H6 = C2 + 2 OH3
Na2CrO4 + KCl = NaCl + K2CrO4 =>
Na2CrO4 + 2 KCl = 2 NaCl + K2CrO4
K2Cr2O7 + K2C2O4 + H2C2O4 = K3Cr(C2O4)3 + CO2 + H2O =>
K2Cr2O7 + 2 K2C2O4 + 7 H2C2O4 = 2 K3Cr(C2O4)3 + 6 CO2 + 7 H2O
C9H20O3(l) + O2(g) = CO2(g) + H2O(g) =>
2 C9H20O3(l) + 25 O2(g) = 18 CO2(g) + 20 H2O(g)
CoCl2*6H2O + H2O2 + NH4OH + NH4Cl = [Co(NH3)5Cl]Cl2 + H2O =>
2 CoCl2*6H2O + H2O2 + 8 NH4OH + 2 NH4Cl = 2[Co(NH3)5Cl]Cl2 + 22 H2O
NH4(g) + O2(g) = NO2(g) + H2O(g) =>
NH4(g) + 2 O2(g) = NO2(g) + 2 H2O(g)
NO + Ca(NO3)2 + H2O = Ca + HNO3 =>
2 NO + 3 Ca(NO3)2 + 4 H2O = 3 Ca + 8 HNO3
K2CO3 + HNO3 = KNO3 + H2CO3 =>
K2CO3 + 2 HNO3 = 2 KNO3 + H2CO3
Mn + Na2SO4 = Na + MnSO4 =>
Mn + Na2SO4 = 2 Na + MnSO4
N2H4(aq) + I2(aq) = HI(aq) + N2(g) =>
N2H4(aq) + 2 I2(aq) = 4 HI(aq) + N2(g)
CH3COOH + Li2CO3 = H2O + C2H3LiO2 + CO2 =>
2 CH3COOH + Li2CO3 = H2O + 2 C2H3LiO2 + CO2
Fe + CuCl2 = FeCl3 + Cu =>
2 Fe + 3 CuCl2 = 2 FeCl3 + 3 Cu
Fe + Pb3(PO4)4 = Fe3(PO4)2 + Pb =>
6 Fe + Pb3(PO4)4 = 2 Fe3(PO4)2 + 3 Pb
Mg(OH)2 + H2O = Mg(OH)4{2-} + H{+} =>
Mg(OH)2 + 2 H2O = Mg(OH)4{2-} + 2 H{+}
Cu + (SO4)H = Cu2(SO4) + H2O + SO2 =>
6 Cu + 4(SO4)H = 3 Cu2(SO4) + 2 H2O + SO2
Na2S2O3 + I2 = NaIO3 + NaI + S =>
Na2S2O3 + I2 = NaIO3 + NaI + 2 S
K2Cr2O7 + H2C2O4 + K2C2O4 = K3[Cr(C2O4)3]H2O + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4 + 2 K2C2O4 = 2 K3[Cr(C2O4)3]H2O + 6 CO2 + 5 H2O
NaOH + NaCH3COOH = Na2CH3COO + H2O =>
NaOH + NaCH3COOH = Na2CH3COO + H2O
FeBr3 + NH4OH = Fe(OH)3 + NH4Br =>
FeBr3 + 3 NH4OH = Fe(OH)3 + 3 NH4Br
Au + CN{-} + O2 + H2O = [Au(CN)4]{-} + OH{-} =>
4 Au + 16 CN{-} + 3 O2 + 6 H2O = 4[Au(CN)4]{-} + 12 OH{-}
KMnO4 + H2SO4 + Na2SO3 = MnSO4 + H2O + Na2SO4 + K2SO4 =>
2 KMnO4 + 3 H2SO4 + 5 Na2SO3 = 2 MnSO4 + 3 H2O + 5 Na2SO4 + K2SO4
CO + H2O = CO2 + H =>
CO + H2O = CO2 + 2 H
KHCO3 + BaSO4 = BaCO3 + KHSO4 =>
KHCO3 + BaSO4 = BaCO3 + KHSO4
Al2(SO4)3 + Na2CO3 = Al2(CO3)3 + Na2SO4 =>
Al2(SO4)3 + 3 Na2CO3 = Al2(CO3)3 + 3 Na2SO4
KOH + NaHSO3 = KHSO3 + NaOH =>
KOH + NaHSO3 = KHSO3 + NaOH
Pb(NO3)2 + Na2CO3 = Pb(CO3)2 + NO3Na2 =>
Pb(NO3)2 + 2 Na2CO3 = Pb(CO3)2 + 2 NO3Na2
K2Cr2O7 + H2C2O4 + K2C2O4 = K3[Cr(C2O4)3]*3H2O + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4 + 2 K2C2O4 = 2 K3[Cr(C2O4)3]*3H2O + 6 CO2 + H2O
Fe + H3PO4 = Fe(H2PO4)2 + H2 =>
Fe + 2 H3PO4 = Fe(H2PO4)2 + H2
Ca + HCI = CaHCI =>
Ca + HCI = CaHCI
CH2O2 + C2H5OH = C3H6O + H2O =>
2 CH2O2 + 5 C2H5OH = 4 C3H6O + 5 H2O
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO(g) + H2O(l) =>
3 Cu(s) + 8 HNO3(aq) = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
N2O3 + H2O = HNO3 + NO =>
3 N2O3 + H2O = 2 HNO3 + 4 NO
Fe + H3PO4 = Fe(PO4) + H2 =>
2 Fe + 2 H3PO4 = 2 Fe(PO4) + 3 H2
FeC10H10 + C4H6O3 = FeC12H12O + C2H4O2 =>
FeC10H10 + C4H6O3 = FeC12H12O + C2H4O2
S + ZnO = SZnO =>
S + ZnO = SZnO
CH2O2 + C2H5OH = HCOOC2H5 + H2O =>
CH2O2 + C2H5OH = HCOOC2H5 + H2O
H2O2 + Cl = HCl + O2 =>
H2O2 + 2 Cl = 2 HCl + O2
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
Mg(HCO3)2 + CH3COOH = Mg(CH3COOH)2 + H2O + CO2 =>
4 Mg(HCO3)2 + 9 CH3COOH = 4 Mg(CH3COOH)2 + 6 H2O + 10 CO2
CuCl2 + KI = CuI2 + KCl =>
CuCl2 + 2 KI = CuI2 + 2 KCl
CaS + H2SO3 = CaSO3 + H2S =>
CaS + H2SO3 = CaSO3 + H2S
H2Cr2O7 + KI + H2O = I2 + K3[Cr(OH)6] =>
H2Cr2O7 + 6 KI + 5 H2O = 3 I2 + 2 K3[Cr(OH)6]
Fe(NO3)2(aq) + KOH(aq) = Fe(OH)2 + K(NO3) =>
Fe(NO3)2(aq) + 2 KOH(aq) = Fe(OH)2 + 2 K(NO3)
Rb + HCl = RbCl + H =>
Rb + HCl = RbCl + H
CH2O2 + C2H5OH = CH3COOC2H5 + H2O =>
2 CH2O2 + 3 C2H5OH = 2 CH3COOC2H5 + 3 H2O
Fe + H3PO4 = FePO4 + H2 =>
2 Fe + 2 H3PO4 = 2 FePO4 + 3 H2
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