| Équations équilibrées la veille |
2 Se + 3 H2O2 = 2 SeO3 + 3 H2
(NH4)2SO4 + CaSO4 = [Ca(SO4)2] + NH4 =>
(NH4)2SO4 + CaSO4 = [Ca(SO4)2] + 2 NH4
Na2S + Fe = Na + FeS =>
Na2S + Fe = 2 Na + FeS
V2O5 + HCl = VOCl3 + H2O(l) =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O(l)
Cu + HNO3 = Cu(NO3)2 + (NO) + (H2O) =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2(NO) + 4(H2O)
S2{-} + I2 + OH{-} = SO42{-} + I{-} + H2O =>
2 S2{-} + 167 I2 + 336 OH{-} = 4 SO42{-} + 334 I{-} + 168 H2O
CH4(g) + Cl2 = CHCl3(g) + HCl =>
CH4(g) + 3 Cl2 = CHCl3(g) + 3 HCl
Ag + NO3 + NaClO = NaNO3 + AgClO3 + AgCl =>
3 Ag + 3 NO3 + 3 NaClO = 3 NaNO3 + AgClO3 + 2 AgCl
Sr(OH) + FeP = SrP + HFeO =>
Sr(OH) + FeP = SrP + HFeO
Pb + (NO3)2 + KI = PbI2 + K(NO3) =>
Pb + (NO3)2 + 2 KI = PbI2 + 2 K(NO3)
Mg + NaSO4 = MgSO4 + Na2 =>
2 Mg + 2 NaSO4 = 2 MgSO4 + Na2
Cu + CaCl2 = CuCaCl2 =>
Cu + CaCl2 = CuCaCl2
C13 + H22 + O2 = C13H22O2 =>
C13 + H22 + O2 = C13H22O2
Cr(NO3)6 = Cr2O3 + NO2 + O2 =>
4 Cr(NO3)6 = 2 Cr2O3 + 24 NO2 + 9 O2
Se + H2O = SeO2 + H2 =>
Se + 2 H2O = SeO2 + 2 H2
NaOH + CH4O = NaOCH3 + H2O =>
NaOH + CH4O = NaOCH3 + H2O
Fe(NO3)3 + HCl = FeCl3 + HNO3 =>
Fe(NO3)3 + 3 HCl = FeCl3 + 3 HNO3
C11H17O5N2 + O2 = C5H10O2N + CO2 + NH3 =>
14 C11H17O5N2 + 31 O2 = 22 C5H10O2N + 44 CO2 + 6 NH3
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
CH5NH2 + O2 = CO + H2O + N2 =>
4 CH5NH2 + 9 O2 = 4 CO + 14 H2O + 2 N2
PCl3 + AgF = PF3 + AgCl =>
PCl3 + 3 AgF = PF3 + 3 AgCl
Mg + O3 = Mg5O3 =>
5 Mg + O3 = Mg5O3
NaHCO3 + H3(C6H5O7) = Na3(C6H5O7) + CO2 + H2O =>
3 NaHCO3 + H3(C6H5O7) = Na3(C6H5O7) + 3 CO2 + 3 H2O
P4 = P =>
P4 = 4 P
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Ca(No3)2 + K3Po4 = Ca3(Po4)2 + KNo3 =>
3 Ca(No3)2 + 2 K3Po4 = Ca3(Po4)2 + 6 KNo3
CuO(s) + H2(g) = Cu(l) + H2O(g) =>
CuO(s) + H2(g) = Cu(l) + H2O(g)
Li2CO3(s) + H3PO4(aq) = H2O(l) + CO2(g) + Li3PO4(aq) =>
3 Li2CO3(s) + 2 H3PO4(aq) = 3 H2O(l) + 3 CO2(g) + 2 Li3PO4(aq)
AgNO3(ac) + KI(ac) = AgI + KNO3 =>
AgNO3(ac) + KI(ac) = AgI + KNO3
Cd + TiCl3 = Ti + CdCl2 =>
3 Cd + 2 TiCl3 = 2 Ti + 3 CdCl2
HNO3 + H3S = NO2 + H2O + H2SO4 =>
9 HNO3 + H3S = 9 NO2 + 5 H2O + H2SO4
H2(g) + Br2(g) = HBr(g) =>
H2(g) + Br2(g) = 2 HBr(g)
CH + H = C6H8 =>
6 CH + 2 H = C6H8
Ca(OH)2 + Cu2Br = CaBr + Cu2(OH)2 =>
Ca(OH)2 + Cu2Br = CaBr + Cu2(OH)2
Bi{2}O{3} + HCl = BiCl + H{2}O =>
Bi{2}O{3} + HCl = BiCl + H{2}O
CaC2(s) + H2O(l) = Ca(OH)2(s) + C2H2 =>
CaC2(s) + 2 H2O(l) = Ca(OH)2(s) + C2H2
Ni3N2 + K2CO3 = NiCO3 + K3N =>
Ni3N2 + 3 K2CO3 = 3 NiCO3 + 2 K3N
C5H5O + H2O = CO + H2 =>
2 C5H5O + 8 H2O = 10 CO + 13 H2
Li2SO4(aq) + SrI2(aq) = LiI(aq) + SrSO4(s) =>
Li2SO4(aq) + SrI2(aq) = 2 LiI(aq) + SrSO4(s)
C5H10 + Br2 = C5H10Br2 =>
C5H10 + Br2 = C5H10Br2
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
BCl3 + P3(P4) + H = BP + HCl =>
7 BCl3 + P3(P4) + 21 H = 7 BP + 21 HCl
HCl + CO = CCl + OH =>
HCl + CO = CCl + OH
C2H6O + KMnO4 = C2H4O + H2O + K2O + MnO =>
5 C2H6O + 2 KMnO4 = 5 C2H4O + 5 H2O + K2O + 2 MnO
Na + Al + H2 = NaAlH4 =>
Na + Al + 2 H2 = NaAlH4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
(NH4)2 + CrO2 = N + Cr2O3 + H2O =>
(NH4)2 + 8 CrO2 = 2 N + 4 Cr2O3 + 4 H2O
K3PO4 + CoI2 = KI + Co3 + (PO4)2 =>
2 K3PO4 + 3 CoI2 = 6 KI + Co3 + (PO4)2
SnCu + I2 = SnI2 + Cu =>
SnCu + I2 = SnI2 + Cu
CaO + CO2 = CaC2 + O2 =>
2 CaO + 4 CO2 = 2 CaC2 + 5 O2
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