| Équations équilibrées la veille |
2 MnO2 + 3 HO2{-} = 2 MnO4{-} + H2O + OH{-}
ClO3{-} + Br = Cl{-} + BrO =>
ClO3{-} + 3 Br = Cl{-} + 3 BrO
NiClO3 + Ba(OH)2 = BaClO3 + Ni(OH)2 =>
NiClO3 + Ba(OH)2 = BaClO3 + Ni(OH)2
B2H6 + O2 = HBO2 + H2O =>
B2H6 + 3 O2 = 2 HBO2 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Sn(NO3)2 + KOH = Sn(OH)2 + KNO3 =>
Sn(NO3)2 + 2 KOH = Sn(OH)2 + 2 KNO3
As2O3 + Zn + H2SO4 = AsH3 + ZnSO4 + H2O =>
As2O3 + 6 Zn + 6 H2SO4 = 2 AsH3 + 6 ZnSO4 + 3 H2O
(NH4)2S(aq) + H2SO4(aq) = (NH4)2SO4(aq) + H2S(aq) =>
(NH4)2S(aq) + H2SO4(aq) = (NH4)2SO4(aq) + H2S(aq)
Cu3S + HNO3 = Cu(NO3)2 + NO + SO2 + H2O =>
3 Cu3S + 28 HNO3 = 9 Cu(NO3)2 + 10 NO + 3 SO2 + 14 H2O
B(OC2H5)3 + O2 = B(OH)3 + H2O + CO2 =>
B(OC2H5)3 + 9 O2 = B(OH)3 + 6 H2O + 6 CO2
Pb(CN)2 + LiCl = PbCl2 + Li(CN) =>
Pb(CN)2 + 2 LiCl = PbCl2 + 2 Li(CN)
Ti2OH2O = TiOH =>
Ti2OH2O = 2 TiOH
C2H5OH + K2Cr2O7 + H2SO4 = C3H5COOH + K2SO4 + Cr2(SO4)3 + H2O =>
2 C2H5OH + K2Cr2O7 + 4 H2SO4 = C3H5COOH + K2SO4 + Cr2(SO4)3 + 7 H2O
As2O3 + I2 + H2O = As2O5 + HI =>
As2O3 + 2 I2 + 2 H2O = As2O5 + 4 HI
BaCl2(aq) + Mg(NO3)2(aq) = Ba(NO3)2(s) + MgCl2(aq) =>
BaCl2(aq) + Mg(NO3)2(aq) = Ba(NO3)2(s) + MgCl2(aq)
CO + H2 = C8H18 + H2O =>
8 CO + 17 H2 = C8H18 + 8 H2O
H{+} + MnO4{-} + H2C2O2 = Mn{2+} + CO2 + H2O =>
18 H{+} + 6 MnO4{-} + 5 H2C2O2 = 6 Mn{2+} + 10 CO2 + 14 H2O
HNO3 + MgH = H2O + MgNO2 =>
HNO3 + MgH = H2O + MgNO2
C2H4O + KMnO4 + H2SO4 = HCOOH + MnSO4 + K2SO4 + H2O =>
5 C2H4O + 6 KMnO4 + 9 H2SO4 = 10 HCOOH + 6 MnSO4 + 3 K2SO4 + 9 H2O
Cu + HNO3 = Cu(NO3)2 + H2O + N =>
5 Cu + 12 HNO3 = 5 Cu(NO3)2 + 6 H2O + 2 N
PbCl4 + SnCl2 = SnCl4 + PbCl2 =>
PbCl4 + SnCl2 = SnCl4 + PbCl2
BaCl2(aq)CuSO4(aq) = BaSO4(s)CuCl2 =>
BaCl2(aq)CuSO4(aq) = BaSO4(s)CuCl2
C2H5COOH + K2S = C2H5COOK + H2S =>
2 C2H5COOH + K2S = 2 C2H5COOK + H2S
O2 + C = C2O8 =>
4 O2 + 2 C = C2O8
PBS + O2 = PBO + SO3 =>
PBS + 2 O2 = PBO + SO3
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Ni(CO3)2 = NiO2 + CO2 =>
Ni(CO3)2 = NiO2 + 2 CO2
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
NaClO2 + Cl2 = ClO2NaCl =>
2 NaClO2 + Cl2 = 2 ClO2NaCl
N2O5 + Al = Al2O3 + N =>
3 N2O5 + 10 Al = 5 Al2O3 + 6 N
Te + O = TeO =>
Te + O = TeO
AsH3 + HNO3 = H3AsO4 + NO + H2O =>
3 AsH3 + 8 HNO3 = 3 H3AsO4 + 8 NO + 4 H2O
Ni(NO3)2(aq)Na3PO4(aq) = NiPO4Na3(NO3)2 =>
Ni(NO3)2(aq)Na3PO4(aq) = NiPO4Na3(NO3)2
Mn(NO)2 = MnO2 + N =>
Mn(NO)2 = MnO2 + 2 N
LaOOH = La2O3 + H2O =>
2 LaOOH = La2O3 + H2O
C + S8 = CS2 =>
4 C + S8 = 4 CS2
H2AsO3{-} + HS{-} + H{+} = As2S3 + H2O =>
2 H2AsO3{-} + 3 HS{-} + 5 H{+} = As2S3 + 6 H2O
Ce2(CO3)3 + H2SO4 = Ce2(SO4)3 + CO2 + H2O =>
Ce2(CO3)3 + 3 H2SO4 = Ce2(SO4)3 + 3 CO2 + 3 H2O
MnO2 + HC = MnC2 + H2O + C2 =>
MnO2 + 4 HC = MnC2 + 2 H2O + C2
KI + KIO + H2SO4 = I2 + H2O + K2SO4 =>
KI + KIO + H2SO4 = I2 + H2O + K2SO4
(CaCO3)3Mg(OH)2 + HCl = MgCl2 + CaCl2 + H2O + CO2 =>
(CaCO3)3Mg(OH)2 + 8 HCl = MgCl2 + 3 CaCl2 + 5 H2O + 3 CO2
CH3I + Na = CH3 + INa =>
CH3I + Na = CH3 + INa
PH3 + O2 = H2 + P2O5 =>
4 PH3 + 5 O2 = 6 H2 + 2 P2O5
Cr2O3 + NaOH + NaNO3 = Na2CrO4 + N2 + H2O =>
5 Cr2O3 + 14 NaOH + 6 NaNO3 = 10 Na2CrO4 + 3 N2 + 7 H2O
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
HC2H302 + NaHCO3 = NaC2H302 + H2O + CO2 =>
HC2H302 + NaHCO3 = NaC2H302 + H2O + CO2
C5H11OH + Cl2 = C5H7OH + HCl =>
C5H11OH + 2 Cl2 = C5H7OH + 4 HCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
NH3 + CuO = Cu + H2O + N2 =>
2 NH3 + 3 CuO = 3 Cu + 3 H2O + N2
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