| Équations équilibrées la veille |
2 KMnO4 + 3 C6H12O6 + KOH = 3 C6H11O7K + 2 MnO2 + 2 H2O
CO(NO3)2(aq) + NaI(aq) = COI2 + NaNO3 =>
CO(NO3)2(aq) + 2 NaI(aq) = COI2 + 2 NaNO3
C4H8O(l) + O2(g) = CO2(g) + H2O(g) =>
2 C4H8O(l) + 11 O2(g) = 8 CO2(g) + 8 H2O(g)
Fe(s) + HNO3(aq) = Fe(NO3)3(aq) + NO2 + H2O =>
Fe(s) + 6 HNO3(aq) = Fe(NO3)3(aq) + 3 NO2 + 3 H2O
CH3COOH + Mg(OH)2 = (CH3COO)2Mg + HOH =>
2 CH3COOH + Mg(OH)2 = (CH3COO)2Mg + 2 HOH
FeO + H2SO3 = FeSO4 + H2 =>
FeO + H2SO3 = FeSO4 + H2
H2S + KOH = H2SO + HK =>
H2S + KOH = H2SO + HK
K3PO4 + Pb(CH3COO)2 = Pb3(PO4)2 + K(CH3COO) =>
2 K3PO4 + 3 Pb(CH3COO)2 = Pb3(PO4)2 + 6 K(CH3COO)
K + Si = K10Si12 =>
10 K + 12 Si = K10Si12
HBr(aq) + NiS(s) = HS + NiBr =>
HBr(aq) + NiS(s) = HS + NiBr
S + OH{-} = S2{-} + (S2O3){2-} + H2O =>
10 S + 6 OH{-} = 4 S2{-} + (S2O3){2-} + 3 H2O
Ca3N2 + H2O = Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3
HNO2 + SrCO3 = Sr(NO2)2 + CO2 + H2O =>
2 HNO2 + SrCO3 = Sr(NO2)2 + CO2 + H2O
K2SO4 + NaBr = K2Br + NaSO4 =>
K2SO4 + NaBr = K2Br + NaSO4
AgCl + O2 = AgClO2 =>
AgCl + O2 = AgClO2
H3PO4 + (NH4)2MoO + HNO3 = (NH4)3PO4*12MoO3 + NH4NO3 + H2O =>
H3PO4 + 12(NH4)2MoO + 39 HNO3 = (NH4)3PO4*12MoO3 + 30 NH4NO3 + 3 H2O
KOH + MgCl2 = K2Cl2 + Mg(OH)2 =>
2 KOH + MgCl2 = K2Cl2 + Mg(OH)2
P4 + NO3{-} + H{+} = PO43{-} + NO2 + H2O =>
P4 + 340 NO3{-} + 336 H{+} = 4 PO43{-} + 340 NO2 + 168 H2O
KO2 + KI + H2SO4 = I2 + K2SO4 + H2O =>
2 KO2 + 6 KI + 4 H2SO4 = 3 I2 + 4 K2SO4 + 4 H2O
Na3PO4 + Cr(NO3)3 = CrPO4 + NaNO3 =>
Na3PO4 + Cr(NO3)3 = CrPO4 + 3 NaNO3
KIO4 + MnSO4 + H2O = MnO4{-} + IO3{-} + H{+} + SO4{2-} + K{+} =>
5 KIO4 + 2 MnSO4 + 3 H2O = 2 MnO4{-} + 5 IO3{-} + 6 H{+} + 2 SO4{2-} + 5 K{+}
KBrO = KBrO3 + KBr =>
3 KBrO = KBrO3 + 2 KBr
HCl + Sn = SnCl + H2 =>
2 HCl + 2 Sn = 2 SnCl + H2
HCOONa + H2SO4 = CO + H2O + Na2SO4 =>
2 HCOONa + H2SO4 = 2 CO + 2 H2O + Na2SO4
CoCl2 + NH4SCN = [Co(SCN)2] + NH4 + Cl =>
CoCl2 + 2 NH4SCN = [Co(SCN)2] + 2 NH4 + 2 Cl
Cu(OH)2 + HCl = CuCl2 + H2O = =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
SrCO3 + NH4Br = SrBr2 + (NH4)2CO3 =>
SrCO3 + 2 NH4Br = SrBr2 + (NH4)2CO3
CoS2 + H2O2 = CoS + H2O + H2SO4 =>
CoS2 + 3 H2O2 = CoS + 2 H2O + H2SO4
S + Na2CO3 = Na2S + Na2S2O3 + CO2 =>
4 S + 3 Na2CO3 = 2 Na2S + Na2S2O3 + 3 CO2
Fe + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3 = Fe(NO3)3 + NO + 2 H2O
Ba(OH)2 + O2 = BaO2 + H2O =>
2 Ba(OH)2 + O2 = 2 BaO2 + 2 H2O
Fe2 + HNO3 = Fe(NO3)2 + H2 =>
Fe2 + 4 HNO3 = 2 Fe(NO3)2 + 2 H2
Na2Cr2O7 + H2SO4 + C2H5OH = C2H5O + Na2SO4 + Cr2SO4 + H2O =>
Na2Cr2O7 + 2 H2SO4 + 10 C2H5OH = 10 C2H5O + Na2SO4 + Cr2SO4 + 7 H2O
Au + Al = AuAl =>
Au + Al = AuAl
[SnCl4]{2-} + Hg2Cl2 = Hg + [SnCl6]{2-} =>
[SnCl4]{2-} + Hg2Cl2 = 2 Hg + [SnCl6]{2-}
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
CH3COONa + HCl = ClCH3COONa + H =>
CH3COONa + HCl = ClCH3COONa + H
PbBr2 + Zn = Pb + Zn{2+} + Br{-} =>
PbBr2 + Zn = Pb + Zn{2+} + 2 Br{-}
(NH4)2SO4 + HNO3 = (NH4)NO3 + H2SO4 =>
(NH4)2SO4 + 2 HNO3 = 2(NH4)NO3 + H2SO4
NaCH3COO + H2SO4 = HCH3COO + Na2SO4 =>
2 NaCH3COO + H2SO4 = 2 HCH3COO + Na2SO4
Ca5(PO4)3F + H2SO4 = H3PO4 + HF + CaSO4 =>
Ca5(PO4)3F + 5 H2SO4 = 3 H3PO4 + HF + 5 CaSO4
NH4OH(aq) + HBr(aq) = H2O(l) + NH4Br(aq) =>
NH4OH(aq) + HBr(aq) = H2O(l) + NH4Br(aq)
HCl + Fe(OH)3 = FeCl3 + H2O =>
3 HCl + Fe(OH)3 = FeCl3 + 3 H2O
KCl + KMnO4 + H2SO4 = MnSO2 + K2SO4 + H2O + Cl2 =>
18 KCl + 2 KMnO4 + 12 H2SO4 = 2 MnSO2 + 10 K2SO4 + 12 H2O + 9 Cl2
H9C6O5 + NaOH = Na2C6O5H7 + H2O =>
H9C6O5 + 2 NaOH = Na2C6O5H7 + 2 H2O
C + H2O = C12H22O11 =>
12 C + 11 H2O = C12H22O11
Fe + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3 = Fe(NO3)3 + NO + 2 H2O
C2H5OH + F2P(O)NC(CH3)N(C2H5)2 + (C2H5)3N = C2H5OP(O)(F)NC(CH3)N(C2H5)2 + (C2H5)3N*HF =>
C2H5OH + F2P(O)NC(CH3)N(C2H5)2 + (C2H5)3N = C2H5OP(O)(F)NC(CH3)N(C2H5)2 + (C2H5)3N*HF
Al2(SO4)3 + Na(OH) = Na2SO4 + Al(OH)3 =>
Al2(SO4)3 + 6 Na(OH) = 3 Na2SO4 + 2 Al(OH)3
NiS(s) + HCl(aq) + HNO3(aq) = NiCl2(aq) + S8(s) + NO(g) + H2O(l) =>
24 NiS(s) + 48 HCl(aq) + 16 HNO3(aq) = 24 NiCl2(aq) + 3 S8(s) + 16 NO(g) + 32 H2O(l)
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