| Équations équilibrées la veille |
2 CO2H2 + O2 = 2 CO2 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C3H8C3 + CO2 = CO + H2 =>
C3H8C3 + 6 CO2 = 12 CO + 4 H2
Na + N2 = Na2N =>
4 Na + N2 = 2 Na2N
SiO2 + C = Si + CO =>
SiO2 + 2 C = Si + 2 CO
Al2(SO4)3(aq) + H2(g) = Al(s) + H2SO4(aq) =>
Al2(SO4)3(aq) + 3 H2(g) = 2 Al(s) + 3 H2SO4(aq)
C5H90 + O2 = CO2 + H2O =>
2 C5H90 + 55 O2 = 10 CO2 + 90 H2O
H{+} + (Cr2O7)2{-} + C2H5OH = Cr3{+} + CO2 + H2O =>
84 H{+} + 36(Cr2O7)2{-} + 77 C2H5OH = 48 Cr3{+} + 154 CO2 + 273 H2O
K2Cr2O7 = K2CrO4 + CrO3 =>
K2Cr2O7 = K2CrO4 + CrO3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
CO + H2O + SO2 = C6H6S + O2 =>
12 CO + 6 H2O + 2 SO2 = 2 C6H6S + 11 O2
H{+} + (Cr2O7)2{-} + C2H5OH = Cr3{+} + CO2 + H2O =>
84 H{+} + 36(Cr2O7)2{-} + 77 C2H5OH = 48 Cr3{+} + 154 CO2 + 273 H2O
Au + NaBr = AuNa + Br =>
Au + NaBr = AuNa + Br
Ba + FeCl2 = BaCl2 + Fe2 =>
2 Ba + 2 FeCl2 = 2 BaCl2 + Fe2
Fe + AgC2H3O2 = Fe(C2H3O2)2 + Ag =>
Fe + 2 AgC2H3O2 = Fe(C2H3O2)2 + 2 Ag
H2SO4(aq) + NaOH(aq) = Na2SO4(aq) + H2O(l) =>
H2SO4(aq) + 2 NaOH(aq) = Na2SO4(aq) + 2 H2O(l)
ZnO + NH4HF2 = H2O + NH4F + ZnF2 =>
ZnO + 2 NH4HF2 = H2O + 2 NH4F + ZnF2
H(CN) + CuSO4 = H2SO4 + Cu(CN)2 =>
2 H(CN) + CuSO4 = H2SO4 + Cu(CN)2
C + N2 + O2 = C4N3O5 =>
8 C + 3 N2 + 5 O2 = 2 C4N3O5
Co(NO3)2 + Na2CO3 = CoCO3 + Na2(NO3)2 =>
Co(NO3)2 + Na2CO3 = CoCO3 + Na2(NO3)2
KCl(aq) + NaBr(aq) = NaCl(aq) + KBr(aq) =>
KCl(aq) + NaBr(aq) = NaCl(aq) + KBr(aq)
CdI2 + Br2 = CdBr + I =>
2 CdI2 + Br2 = 2 CdBr + 4 I
C4H8 + I2 = C4H8I2 =>
C4H8 + I2 = C4H8I2
B2O3 + HBr = BBr3 + H2O =>
B2O3 + 6 HBr = 2 BBr3 + 3 H2O
NO2 + OH{-} = NO3{-} + H2O + e =>
NO2 + 2 OH{-} = NO3{-} + H2O + e
Fe + Pb(ClO4)2 = Fe(ClO4)2 + Pb =>
Fe + Pb(ClO4)2 = Fe(ClO4)2 + Pb
I2(s) + NO3(aq) = IO3(aq) + NO2(g) =>
I2(s) + 6 NO3(aq) = 2 IO3(aq) + 6 NO2(g)
Pb(C2H3O2)2 + Na2CO3 = Na(C2H3O2) + Pb(CO3) =>
Pb(C2H3O2)2 + Na2CO3 = 2 Na(C2H3O2) + Pb(CO3)
Ca3(PO4)2(aq) + SiO2(s) = CaSiO3(aq) + P2O5(s) =>
Ca3(PO4)2(aq) + 3 SiO2(s) = 3 CaSiO3(aq) + P2O5(s)
C8H6O4 + NH4ClO4 = CO2 + H2O + Cl2 + N2 =>
4 C8H6O4 + 30 NH4ClO4 = 32 CO2 + 72 H2O + 15 Cl2 + 15 N2
C6H4Cl + O2 = CO2 + H2O + Cl2 =>
2 C6H4Cl + 14 O2 = 12 CO2 + 4 H2O + Cl2
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
NSO3 + H2O = H2SO4 + N2 =>
2 NSO3 + 2 H2O = 2 H2SO4 + N2
Ca2S2 + KI = CaI2 + K2S =>
Ca2S2 + 4 KI = 2 CaI2 + 2 K2S
H{+} + CH3OH + Zn = CH4 + Zn{2+} + H2O =>
2 H{+} + CH3OH + Zn = CH4 + Zn{2+} + H2O
La2O3 + Se + Fe + Al = La2O2FeSe2 + Al2O3 =>
3 La2O3 + 6 Se + 3 Fe + 2 Al = 3 La2O2FeSe2 + Al2O3
Cr(NH3)3Cl3 = Cr + NH3 + Cl =>
Cr(NH3)3Cl3 = Cr + 3 NH3 + 3 Cl
H{+} + (Cr2O7)2{-} + C2H5OH = Cr3{+} + CH3COOH + H2O =>
28 H{+} + 12(Cr2O7)2{-} + 77 C2H5OH = 16 Cr3{+} + 77 CH3COOH + 91 H2O
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
C14H10 + C4H2O3 + C8H10 = C32H22O7 =>
22 C14H10 + 35 C4H2O3 + 4 C8H10 = 15 C32H22O7
NaOH + SO3 = NaSO4 + NaSO2 + H2O =>
4 NaOH + 4 SO3 = 3 NaSO4 + NaSO2 + 2 H2O
C16H32O2 + C10H8 = C26H40O2 =>
C16H32O2 + C10H8 = C26H40O2
Fe(OH)3 + F + H = FeF3 + H2O =>
Fe(OH)3 + 3 F + 3 H = FeF3 + 3 H2O
Al + HPO4 = Al2(HPO4)3 =>
2 Al + 3 HPO4 = Al2(HPO4)3
Al + O3 + H2O = Al(OH)3 =>
2 Al + O3 + 3 H2O = 2 Al(OH)3
NaO2 + H2O = NaOH + O2 =>
4 NaO2 + 2 H2O = 4 NaOH + 3 O2
Cr + HBr = CrBr3 + H =>
Cr + 3 HBr = CrBr3 + 3 H
C2H4(g) + O2(g) = CO2(s) + H2O(g) =>
C2H4(g) + 3 O2(g) = 2 CO2(s) + 2 H2O(g)
FeSO4(aq) + CuCl2(aq) = CuSO4 + FeCl2 =>
FeSO4(aq) + CuCl2(aq) = CuSO4 + FeCl2
HI + FeS = FeI2 + H2S =>
2 HI + FeS = FeI2 + H2S
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