| Équations équilibrées la veille |
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
Sn + HNO3(cc) = Sn(NO3) + NO2 + H2O =>
Sn + 2 HNO3(cc) = Sn(NO3) + NO2 + H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
H2 + SO2 = H2S + H2O =>
3 H2 + SO2 = H2S + 2 H2O
CuO + H{+} = Cu{2+} + H2O =>
CuO + 2 H{+} = Cu{2+} + H2O
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
NO2 + H2O = H2NO2 + O2 =>
2 NO2 + 2 H2O = 2 H2NO2 + O2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
La(NO3)3 + Fe(NO3)3 + NH2CH2COOH = LaFeO3 + N2 + H2O + CO2 =>
3 La(NO3)3 + 3 Fe(NO3)3 + 10 NH2CH2COOH = 3 LaFeO3 + 14 N2 + 25 H2O + 20 CO2
Cu + H2(SO3) = Cu2(SO3) + H2O + S =>
4 Cu + 3 H2(SO3) = 2 Cu2(SO3) + 3 H2O + S
H4NH3(g) + O2(g) = NO2(g) + H2O(g) =>
4 H4NH3(g) + 11 O2(g) = 4 NO2(g) + 14 H2O(g)
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
I2 + NaBr = Br + NaI =>
I2 + 2 NaBr = 2 Br + 2 NaI
Pb(C2H3O2)2 + CaI2 = PbI2 + Ca(C2H3O2)2 =>
Pb(C2H3O2)2 + CaI2 = PbI2 + Ca(C2H3O2)2
C12H1802 + O2 = CO2 + H2O =>
2 C12H1802 + 925 O2 = 24 CO2 + 1802 H2O
MnO2(s) + Cl{-} + H{+} = Mn{2+}(aq) + Cl2(g) + H2O =>
MnO2(s) + 2 Cl{-} + 4 H{+} = Mn{2+}(aq) + Cl2(g) + 2 H2O
NaCl2*2H2O + H2SO4 = NaSO4 + HCl + H2O =>
NaCl2*2H2O + H2SO4 = NaSO4 + 2 HCl + 2 H2O
K(aq) + Na2SO4(aq) = K2SO4(aq) + Na(s) =>
2 K(aq) + Na2SO4(aq) = K2SO4(aq) + 2 Na(s)
Na2SO3 + H2SO4 = Na2SO4 + H2O + SO2 =>
Na2SO3 + H2SO4 = Na2SO4 + H2O + SO2
KI(s) = I2(g) + K(s) =>
2 KI(s) = I2(g) + 2 K(s)
Cr + Fe(NO3)2 = Fe + Cr(NO3)3 =>
2 Cr + 3 Fe(NO3)2 = 3 Fe + 2 Cr(NO3)3
C212 + O3232 + P + F2 + Cl323 = C23O21P22F32Cl21 =>
83502.770889488C212 + 5001 O3232 + 16932909.714286P + 12314843.428571F2 + 50040.965944272Cl323 = 769677.71428571C23O21P22F32Cl21
O2 + NO = N2O3 =>
O2 + 4 NO = 2 N2O3
Cr2O7{-2} + H{+} + Br{-} = Cr{+3} + H2O + Br2 =>
Cr2O7{-2} + 14 H{+} + 6 Br{-} = 2 Cr{+3} + 7 H2O + 3 Br2
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
C9H6O4 + O3 = CO2 + H2O =>
3 C9H6O4 + 17 O3 = 27 CO2 + 9 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na3P + CaF2 = NaF + Ca3P2 =>
2 Na3P + 3 CaF2 = 6 NaF + Ca3P2
W2(P2O7)3 + Mg(SO3) = W(SO3)3 + Mg2(P2O7) =>
W2(P2O7)3 + 6 Mg(SO3) = 2 W(SO3)3 + 3 Mg2(P2O7)
Ca(OH)2 + HNO4 = CaNO4 + H(OH)2 =>
Ca(OH)2 + HNO4 = CaNO4 + H(OH)2
LiCOOCH3*2H2O + FeC2O4*2H2O + SiC8H20O4 = Li2FeSiO4 + C + O2 + H2 =>
2 LiCOOCH3*2H2O + FeC2O4*2H2O + SiC8H20O4 = Li2FeSiO4 + 14 C + 7 O2 + 19 H2
FeC2O4 + H2O2 + K2C2O4 + H2O = K3[Fe(C2O4)3]*3H2O + Fe(OH)3 =>
6 FeC2O4 + 3 H2O2 + 6 K2C2O4 + 12 H2O = 4 K3[Fe(C2O4)3]*3H2O + 2 Fe(OH)3
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
HCH2ClCO2 + NaOH = NaCClCO + H2O =>
HCH2ClCO2 + NaOH = NaCClCO + 2 H2O
Fe + PbSO4 = FeSO4 + Pb =>
Fe + PbSO4 = FeSO4 + Pb
NaCO3 + Ca(OH) = CaCO3 + NaOH =>
NaCO3 + Ca(OH) = CaCO3 + NaOH
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
O{-2} + Zn{+2} = ZnO =>
O{-2} + Zn{+2} = ZnO
CH3OH + H2SO4 = (CH3)2SO4 + H2O =>
2 CH3OH + H2SO4 = (CH3)2SO4 + 2 H2O
Ba(OH)2 + H2O = BaH + (OH)2 =>
2 Ba(OH)2 + 2 H2O = 2 BaH + 3(OH)2
CuCO3*2H2O = CuO + CO2 + H2O =>
CuCO3*2H2O = CuO + CO2 + 2 H2O
NO2 + OCl = NO3 + Cl =>
NO2 + OCl = NO3 + Cl
CuCN + HBr = HCN + CuBr =>
CuCN + HBr = HCN + CuBr
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
P4O + O10 + H2O = H3PO4 =>
10 P4O + 9 O10 + 60 H2O = 40 H3PO4
SnBr4 + Na2S = NaBr + SnS2 =>
SnBr4 + 2 Na2S = 4 NaBr + SnS2
CrBr3 + Cr(NO3)2 = Cr(NO3)3 + CrBr2 =>
2 CrBr3 + 3 Cr(NO3)2 = 2 Cr(NO3)3 + 3 CrBr2
O2 + Fe = Fe2O3 =>
3 O2 + 4 Fe = 2 Fe2O3
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