| Équations équilibrées la veille |
8 KMnO4 + 24 HBr + 5 CH4 = 8 KBr + 8 MnBr2 + 22 H2O + 5 CO2
KI + H2SeO3 + H2SO4 = Se + I2 + K2SO4 + H2O =>
4 KI + H2SeO3 + 2 H2SO4 = Se + 2 I2 + 2 K2SO4 + 3 H2O
P4 + OH{-} + H2O = H2PO2{-} + H2 =>
P4 + 4 OH{-} + 4 H2O = 4 H2PO2{-} + 2 H2
Na2S + ZnCl2 = ZnS + NaCl =>
Na2S + ZnCl2 = ZnS + 2 NaCl
(CaSO4)*H2O + H2O = (CaSO4*2H2O) =>
(CaSO4)*H2O + H2O = (CaSO4*2H2O)
Cr + SnCl4 = CrCl3 + Sn =>
4 Cr + 3 SnCl4 = 4 CrCl3 + 3 Sn
[Pb(OH)4]{2-} + OCl{-} = PbO2 + Cl{-} + OH{-} + H2O =>
[Pb(OH)4]{2-} + OCl{-} = PbO2 + Cl{-} + 2 OH{-} + H2O
Na2CO3CO2H2O = NaHCO3 =>
Na2CO3CO2H2O = 2 NaHCO3
AgI + Na2 = Ag2 + NaI =>
2 AgI + Na2 = Ag2 + 2 NaI
Ca(NO3)2*4H2O + KNO3 + (NH4)2HPO4 + C6H8O7*H2O = KCa(PO3)4 + H2O + CO2 + NH3 =>
18 Ca(NO3)2*4H2O + 18 KNO3 + 72(NH4)2HPO4 + 23 C6H8O7*H2O = 18 KCa(PO3)4 + 214 H2O + 138 CO2 + 198 NH3
HNO3 + Fe2(CO3)3 = Fe(NO3)3 + H2CO3 =>
6 HNO3 + Fe2(CO3)3 = 2 Fe(NO3)3 + 3 H2CO3
V(s) + F2(g) = VF5(l) =>
2 V(s) + 5 F2(g) = 2 VF5(l)
SnNaOH = Sn(NaOH) =>
SnNaOH = Sn(NaOH)
HClO3 + NaOH = NaCl + H2O + O2 =>
2 HClO3 + 2 NaOH = 2 NaCl + 2 H2O + 3 O2
CI + AI = AICI =>
CI + AI = AICI
K2S + PbCl2 = KCl + SPb =>
K2S + PbCl2 = 2 KCl + SPb
Co + O2 = Co2O3 =>
4 Co + 3 O2 = 2 Co2O3
KClO4 + H2SO4 = K2SO4 + O2 + ClO2 + H2O =>
4 KClO4 + 2 H2SO4 = 2 K2SO4 + 3 O2 + 4 ClO2 + 2 H2O
C2H5NH2 + H2O = C2H5NH3{+} + OH{-} =>
C2H5NH2 + H2O = C2H5NH3{+} + OH{-}
KOH + Cu = K + Cu(OH)2 =>
2 KOH + Cu = 2 K + Cu(OH)2
H2SO4 + BaCe2 = BaSO4 + HCe =>
H2SO4 + BaCe2 = BaSO4 + 2 HCe
PB(NO3)2 + AlCl3 = PBCl2 + Al(NO3)3 =>
3 PB(NO3)2 + 2 AlCl3 = 3 PBCl2 + 2 Al(NO3)3
NaS2O3 + ClH = ClNa + S + O2S + H2O =>
4 NaS2O3 + 4 ClH = 4 ClNa + 3 S + 5 O2S + 2 H2O
H2SO4 + Zn + Cu = ZnSO4 + CuH2 =>
H2SO4 + Zn + Cu = ZnSO4 + CuH2
H2CO + H2O = CH3OH + O2 =>
2 H2CO + 2 H2O = 2 CH3OH + O2
K2Cr2O7 + K1O1H = K2Cr1O4 + H2O =>
K2Cr2O7 + 2 K1O1H = 2 K2Cr1O4 + H2O
NaCl + AgNO3 = AgCl + NaNO3 =>
NaCl + AgNO3 = AgCl + NaNO3
SO3 + KI = SO2 + I2 + K2SO4 =>
2 SO3 + 2 KI = SO2 + I2 + K2SO4
Fe2 = Fe203 =>
203 Fe2 = 2 Fe203
P2O5 + NH3 = HNO3 + H2O + P2O3 =>
2 P2O5 + NH3 = HNO3 + H2O + 2 P2O3
Na2(CO3) + Ca(OH)2 = Na2(OH)2 + CaCO3 =>
Na2(CO3) + Ca(OH)2 = Na2(OH)2 + CaCO3
Mg(NO3)2 + K2CO3 = KNO3 + MgCO3 =>
Mg(NO3)2 + K2CO3 = 2 KNO3 + MgCO3
Mg + (HCl) = MgCl + H =>
Mg + (HCl) = MgCl + H
NINO3 + NH2NH2H2O = NI + HNO3 + NH3 =>
2 NINO3 + 3 NH2NH2H2O = 2 NI + 3 HNO3 + 5 NH3
AsS3 + HNO3 + H2O = H3AsO4 + S + NO =>
3 AsS3 + 5 HNO3 + 2 H2O = 3 H3AsO4 + 9 S + 5 NO
W + H3PO4 + KMnO4 = H2O + K3PO4 + Mn3(PO4)2 + WO3 =>
5 W + 6 H3PO4 + 6 KMnO4 = 9 H2O + 2 K3PO4 + 2 Mn3(PO4)2 + 5 WO3
HCl + MgZn = HZn + MgCl =>
HCl + MgZn = HZn + MgCl
AgI + Fe2S3 = Ag2S + FeI3 =>
6 AgI + Fe2S3 = 3 Ag2S + 2 FeI3
C12H26 + O2(g) = CO2 + H2O =>
2 C12H26 + 37 O2(g) = 24 CO2 + 26 H2O
BaCl2 + Na2(SO4) = Ba(SO4) + NaCl =>
BaCl2 + Na2(SO4) = Ba(SO4) + 2 NaCl
MgCl2 + KMnO4 = MgCl2KMnO4 =>
MgCl2 + KMnO4 = MgCl2KMnO4
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
H3O{+} + Cl{-} + CrO4{2-} = Cl2 + Cr{3+} + H2O =>
16 H3O{+} + 6 Cl{-} + 2 CrO4{2-} = 3 Cl2 + 2 Cr{3+} + 24 H2O
(NH4)2SO4(aq) + BaBr2(aq) = BaSO4 + NH4Br =>
(NH4)2SO4(aq) + BaBr2(aq) = BaSO4 + 2 NH4Br
S + Sr(NO3)2 = SO2 + SrO + NO2 =>
S + 2 Sr(NO3)2 = SO2 + 2 SrO + 4 NO2
K2CO3 + CaCl2 = CaCO3 + KCl =>
K2CO3 + CaCl2 = CaCO3 + 2 KCl
Propane + Oxygen = carbon + water =>
C3H8 + 2 O2 = 3 C + 4 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
C3H8 + O2 = C6H12O6 + H2O =>
2 C3H8 + 4 O2 = C6H12O6 + 2 H2O
(C3H6O)N(C6H5) + O2 = CO2 + H2O + NO2 =>
4(C3H6O)N(C6H5) + 49 O2 = 36 CO2 + 22 H2O + 4 NO2
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