| Équations équilibrées la veille |
Ca + 2 H2O = Ca(OH)2 + H2
Fe + Cr2 + O4 = FeCr2O4 =>
Fe + Cr2 + O4 = FeCr2O4
CaC2O4 = CO2 + Ca =>
CaC2O4 = 2 CO2 + Ca
P4(s) + P2I4(s) + H2O(l) = H3PO4(aq) + PH4I(s) =>
13 P4(s) + 10 P2I4(s) + 128 H2O(l) = 32 H3PO4(aq) + 40 PH4I(s)
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
NH3 + NaNO3 = HNO3 + NaNH2 =>
NH3 + NaNO3 = HNO3 + NaNH2
Cr + O4 + Zn = ZnCrO4 =>
Cr + O4 + Zn = ZnCrO4
CS2 + S2 = CS3 =>
2 CS2 + S2 = 2 CS3
CaO + CaCO3 = Ca2CO4 =>
CaO + CaCO3 = Ca2CO4
Ca + Fe{3+} = Ca{2+} + Fe =>
3 Ca + 2 Fe{3+} = 3 Ca{2+} + 2 Fe
Na2CO3 + HCl + Ba(OH)2 = NaCl + H2O + BaCO3 =>
Na2CO3 + 2 HCl + Ba(OH)2 = 2 NaCl + 2 H2O + BaCO3
NO3{-} + Hg + H{+} = Hg{+2} + NO + H2O =>
2 NO3{-} + 3 Hg + 8 H{+} = 3 Hg{+2} + 2 NO + 4 H2O
Na + AlP = Na3P + Al =>
3 Na + AlP = Na3P + Al
MgCl2 + CaCo3 = MgCo3 + CaCl2 =>
MgCl2 + CaCo3 = MgCo3 + CaCl2
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
P2O3 + KMnO4 + KOH = MnPO4 + H2O + K3PO4 =>
P2O3 + KMnO4 + 2 KOH = MnPO4 + H2O + K3PO4
Mg(OH)2 + NaOH = MgNa + H2 + O2 =>
2 Mg(OH)2 + 2 NaOH = 2 MgNa + 3 H2 + 3 O2
HI + Zn = H2 + ZnI2 =>
2 HI + Zn = H2 + ZnI2
RuO + HCl = RuCl2 + H2O =>
RuO + 2 HCl = RuCl2 + H2O
Na2SO3 + MnO + KOH = K2MnO4 + Na2S + H2O =>
2 Na2SO3 + 3 MnO + 6 KOH = 3 K2MnO4 + 2 Na2S + 3 H2O
Na2CrO4 + Na2SO3 + H2O = NaCr(OH)4 + Na2SO4 + Na(OH) =>
2 Na2CrO4 + 3 Na2SO3 + 5 H2O = 2 NaCr(OH)4 + 3 Na2SO4 + 2 Na(OH)
NaBr(s) + H2SO4(l) = NaHSO4(s) + Br2(g) + SO2(g) + H2O(l) =>
2 NaBr(s) + 3 H2SO4(l) = 2 NaHSO4(s) + Br2(g) + SO2(g) + 2 H2O(l)
I3{-} + OH{-} = IO3{-} + I{-} + H2O =>
3 I3{-} + 6 OH{-} = IO3{-} + 8 I{-} + 3 H2O
CH2NH2COOH + HBr = CH2NH2COBr + H2O =>
CH2NH2COOH + HBr = CH2NH2COBr + H2O
C14H14N3NaO3S + CH3COOH = C14H14N3NaO3S(CH3COO{-}) + H{+} =>
C14H14N3NaO3S + CH3COOH = C14H14N3NaO3S(CH3COO{-}) + H{+}
Mg2 + AgNO3 = Mg2Ag + NO3 =>
Mg2 + AgNO3 = Mg2Ag + NO3
H2PO4 + HNO2 = H3O + NO + PO4 =>
H2PO4 + HNO2 = H3O + NO + PO4
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Cr2O7{-2} + H2O = CrO4{-2} + H{+} =>
Cr2O7{-2} + H2O = 2 CrO4{-2} + 2 H{+}
LiClZn(NO3)2 = Li(NO3)2ZnCl =>
LiClZn(NO3)2 = Li(NO3)2ZnCl
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
P2 + Cl3 = P2Cl3 =>
P2 + Cl3 = P2Cl3
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
CuCO3 = CO2 + CuO = Ca(OH)2 = CaCO3 + H2O =>
CuCO3 = CO2 + CuO
K5Fe(CN)6 + KMnO4 + H2SO4 = KHSOO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
2 K5Fe(CN)6 + 48 KMnO4 + 109 H2SO4 = 58 KHSOO4 + Fe2(SO4)3 + 48 MnSO4 + 12 HNO3 + 12 CO2 + 74 H2O
Ethanol + Oxygen = H2O + CO2 =>
C2H5OH + 3 O2 = 3 H2O + 2 CO2
Na2HPO3 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + Na2SO4 + H3PO4 + H2O =>
5 Na2HPO3 + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + K2SO4 + 5 Na2SO4 + 5 H3PO4 + 3 H2O
Ba + N2 = BaN =>
2 Ba + N2 = 2 BaN
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
C5H5 + Fe = Fe(C5H5)2 =>
2 C5H5 + Fe = Fe(C5H5)2
Ba + N2 = Ba(N2)2 =>
Ba + 2 N2 = Ba(N2)2
C2O4{-2} + O2 + H2O = HCO3{-} =>
2 C2O4{-2} + O2 + 2 H2O = 4 HCO3{-}
NH3(s) + HCl(g) = NH4Cl(s) =>
NH3(s) + HCl(g) = NH4Cl(s)
Mg0 + HCl = MgCl + H =>
Mg0 + HCl = MgCl + H
C3H8O3 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
3 C3H8O3 + 7 K2Cr2O7 + 28 H2SO4 = 7 K2SO4 + 7 Cr2(SO4)3 + 9 CO2 + 40 H2O
NiSO4 + NaClO + NaOH = NaCl + NiO(OH) + Na2SO4 + H2O =>
2 NiSO4 + NaClO + 4 NaOH = NaCl + 2 NiO(OH) + 2 Na2SO4 + H2O
AgCl(s) + O2(g) = Ag2O(aq) + Cl2(g) =>
4 AgCl(s) + O2(g) = 2 Ag2O(aq) + 2 Cl2(g)
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
B5H9(g) + O2(g) = B2O3(s) + H2O(g) =>
2 B5H9(g) + 12 O2(g) = 5 B2O3(s) + 9 H2O(g)
C48 + O134 = CO =>
67 C48 + 24 O134 = 3216 CO
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