| Équations équilibrées la veille |
2 KMnO4 = K2MnO4 + MnO2 + O2
Nb2CF2 = Nb6C5 + Nb2F5 =>
5 Nb2CF2 = Nb6C5 + 2 Nb2F5
Mg3P2 + HNO3 = Mg(NO3)2 + NO2 + H3PO4 + H2O =>
Mg3P2 + 22 HNO3 = 3 Mg(NO3)2 + 16 NO2 + 2 H3PO4 + 8 H2O
C4H4O + O2 = CO2 + H2O =>
2 C4H4O + 9 O2 = 8 CO2 + 4 H2O
Na + Si + O2 = (Na4SiO4) =>
4 Na + Si + 2 O2 = (Na4SiO4)
NaCO3(as) + CuCl2(aq) = NaCl(aq) + Cu(CO3)2(s) =>
2 NaCO3(as) + CuCl2(aq) = 2 NaCl(aq) + Cu(CO3)2(s)
Ca(OH)2 + HI = CaI2 + H2O =>
Ca(OH)2 + 2 HI = CaI2 + 2 H2O
HF + L2 = HL + F2 =>
2 HF + L2 = 2 HL + F2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
S2O3{-2} + I2 = S4O6{-2} + I{-} =>
2 S2O3{-2} + I2 = S4O6{-2} + 2 I{-}
(NH4)2Cr2O7 = NH3 + H2O + Cr2O3 + O2 =>
2(NH4)2Cr2O7 = 4 NH3 + 2 H2O + 2 Cr2O3 + 3 O2
Ca3(PO4)2 + C4 + SiO2 = P3 + CO + CaSiO3 =>
12 Ca3(PO4)2 + 15 C4 + 36 SiO2 = 8 P3 + 60 CO + 36 CaSiO3
As3S2 + HNO3 = H2AsO4 + H2SO4 + NO2 + H2O =>
As3S2 + 30 HNO3 = 3 H2AsO4 + 2 H2SO4 + 30 NO2 + 10 H2O
C17H31COOH + KOH = C17H31COOK + H2O =>
C17H31COOH + KOH = C17H31COOK + H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Mg2Si + CaAl2 = Mg5Al3 + Ca2Mg5 + Si =>
35 Mg2Si + 12 CaAl2 = 8 Mg5Al3 + 6 Ca2Mg5 + 35 Si
NaO2 + H2 = Na(OH)2 =>
NaO2 + H2 = Na(OH)2
Ba(C2H3O2)2 + Na2CO3 = BaCO3 + NaC2H3O2 =>
Ba(C2H3O2)2 + Na2CO3 = BaCO3 + 2 NaC2H3O2
MnO4{-} + H{+} + S03{-2} = MnO2 + OH{-} + SO2 =>
14 MnO4{-} + 10 H{+} + 3 S03{-2} = 14 MnO2 + 10 OH{-} + 9 SO2
C25H22ClP + C15H10O + NaOH = C22H16 + H2O + OPPH3 + NaCl =>
128 C25H22ClP + 102 C15H10O + 128 NaOH = 215 C22H16 + 166 H2O + 64 OPPH3 + 128 NaCl
Cu + FeCl3 = CuCl2 + FeCl2 =>
Cu + 2 FeCl3 = CuCl2 + 2 FeCl2
Fe + HNO3 = Fe(NO3)3 + NH4NO3 + O =>
2 Fe + 12 HNO3 = 2 Fe(NO3)3 + 3 NH4NO3 + 9 O
CH3CH3 + O2 = CO2 + H20(water) =>
10 CH3CH3 + 20 O2 = 20 CO2 + 3 H20(water)
Ba(OH)2 + CH3OOH = H2O + Ba(CH3OO)2 =>
Ba(OH)2 + 2 CH3OOH = 2 H2O + Ba(CH3OO)2
KCl*MgCl2*6H2O = K + Cl + MgCl2 + H2O =>
KCl*MgCl2*6H2O = K + Cl + MgCl2 + 6 H2O
Na2O + NaCl = Na2Cl + NaO =>
Na2O + NaCl = Na2Cl + NaO
C2H4 + H2SO4 + KMnO4 = C2H2O4 + K2SO4 + MnSO4 + H2O =>
C2H4 + 3 H2SO4 + 2 KMnO4 = C2H2O4 + K2SO4 + 2 MnSO4 + 4 H2O
Pb(NO3)2 + CrO4{2-} + H{+} = PbCrO4 + HNO3 =>
Pb(NO3)2 + CrO4{2-} + 2 H{+} = PbCrO4 + 2 HNO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CH3COOH(aq) + NaHCO3 = CH3COONa(aq) + CO2(g) + H2O(l) =>
CH3COOH(aq) + NaHCO3 = CH3COONa(aq) + CO2(g) + H2O(l)
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Mg + HAt = MgH2 + At2 =>
Mg + 2 HAt = MgH2 + At2
MnCl2 + Zn(O2CCH3)2 = Mn(O2CCH3)2 + ZnCl2 =>
MnCl2 + Zn(O2CCH3)2 = Mn(O2CCH3)2 + ZnCl2
S2O3{2-} + I2 = S4O6{-2} + I{-} =>
2 S2O3{2-} + I2 = S4O6{-2} + 2 I{-}
BaF2 + Na2SO4 = NaF + BaSO4 =>
BaF2 + Na2SO4 = 2 NaF + BaSO4
Al + Sn2(CO3)4 = Al2(CO3)3 + Sn =>
8 Al + 3 Sn2(CO3)4 = 4 Al2(CO3)3 + 6 Sn
Ca(NO3)2Ni = Ni(NO3)2Ca =>
Ca(NO3)2Ni = Ni(NO3)2Ca
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
(NH4)(NO3) = N + O + H =>
(NH4)(NO3) = 2 N + 3 O + 4 H
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
CH3CH2HO + KMnO4 + H2SO4 = CH3CH2COOH + MnSO4 + K2SO4 + H2O =>
15 CH3CH2HO + 8 KMnO4 + 12 H2SO4 = 10 CH3CH2COOH + 8 MnSO4 + 4 K2SO4 + 27 H2O
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
AgCl(NH3)2 + KBr = AgBr + NH3 + KCl =>
AgCl(NH3)2 + KBr = AgBr + 2 NH3 + KCl
Cu9 + HNO3 = Cu(NO3)2 + NO + H2O =>
Cu9 + 24 HNO3 = 9 Cu(NO3)2 + 6 NO + 12 H2O
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
H2ZnSO4 = ZnSO4 + H2 =>
H2ZnSO4 = ZnSO4 + H2
FeCl2 + H2O + Na = FeO + NaCl + H2 =>
FeCl2 + H2O + 2 Na = FeO + 2 NaCl + H2
Na2CO3Ba(NO3)2 = BaCO3 + NaNO3 =>
Na2CO3Ba(NO3)2 = BaCO3 + 2 NaNO3
H2O2 + N2H4 = HNO3 + H2O =>
7 H2O2 + N2H4 = 2 HNO3 + 8 H2O
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