| Équations équilibrées la veille |
N2 + 3 H2 = 2 NH3
MnO2 + KJ + H2SO4 = MnSO4 + J2K2SO4 + H2O =>
MnO2 + 2 KJ + 2 H2SO4 = MnSO4 + J2K2SO4 + 2 H2O
Al(OH)3 + Na2SO4 = Al2(SO4)3 + NaOH =>
2 Al(OH)3 + 3 Na2SO4 = Al2(SO4)3 + 6 NaOH
KClO4 + Ne = KCl + ONe =>
KClO4 + 4 Ne = KCl + 4 ONe
H2C2O4 + NaOH = (COONa)2 + H2O =>
H2C2O4 + 2 NaOH = (COONa)2 + 2 H2O
AgNO3(aq) + KOH(aq) = Ag2O(s) + H2O(l) + KNO3(aq) =>
2 AgNO3(aq) + 2 KOH(aq) = Ag2O(s) + H2O(l) + 2 KNO3(aq)
CuS + H = Cu + H2S =>
CuS + 2 H = Cu + H2S
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
HC2H3O2(aq) + Sr(OH)2(aq) = Sr(C2H3O2)2 + HOH =>
2 HC2H3O2(aq) + Sr(OH)2(aq) = Sr(C2H3O2)2 + 2 HOH
K2SO3 + SOCl2 = KCl + SO2 =>
K2SO3 + SOCl2 = 2 KCl + 2 SO2
Ca(IO3)2 = CaI2 + O2 =>
Ca(IO3)2 = CaI2 + 3 O2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
AuCl3(aq) + Mg(s) = Au(aq) + MgCl3(s) =>
AuCl3(aq) + Mg(s) = Au(aq) + MgCl3(s)
Na2I = Na + I =>
Na2I = 2 Na + I
Na(OH) + H(SO4) = Na(SO4) + H(OH) =>
Na(OH) + H(SO4) = Na(SO4) + H(OH)
(CH3)2CHCH2CH2OH + K2Cr2O7 + H2SO4 = (CH3)2CHCH2CHO + H2O + Cr2(SO4)3 + K2SO4 =>
3(CH3)2CHCH2CH2OH + K2Cr2O7 + 4 H2SO4 = 3(CH3)2CHCH2CHO + 7 H2O + Cr2(SO4)3 + K2SO4
MgN3 + H2O = MgO3 + NH2 =>
MgN3 + 3 H2O = MgO3 + 3 NH2
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Sc3C4 + Sc3AlC + ScAl15C15 = Sc3AlC2 =>
44 Sc3C4 + 131 Sc3AlC + 3 ScAl15C15 = 176 Sc3AlC2
CH3Br + C2H5Br + Na = C3H8 + NaBr =>
CH3Br + C2H5Br + 2 Na = C3H8 + 2 NaBr
C2H5Br2Cl + O2 = CO2 + HCl + HBr + H2O =>
2 C2H5Br2Cl + 5 O2 = 4 CO2 + 2 HCl + 4 HBr + 2 H2O
Li2S + ZnCl2 = ZnLi2 + SCl2 =>
Li2S + ZnCl2 = ZnLi2 + SCl2
Zn + Mg(CH3COO)2 = Mg + Zn(CH3COO)2 =>
Zn + Mg(CH3COO)2 = Mg + Zn(CH3COO)2
H2SO4(aq) + Na2CO3(s) = Na2SO4 + H2O + CO2 =>
H2SO4(aq) + Na2CO3(s) = Na2SO4 + H2O + CO2
K + As = K3As =>
3 K + As = K3As
Cl2 + HNO3 = HClO3 + NO2 + H2O =>
Cl2 + 10 HNO3 = 2 HClO3 + 10 NO2 + 4 H2O
Sr + Sn(BrO)4 = Sr(BrO)2 + Sn =>
2 Sr + Sn(BrO)4 = 2 Sr(BrO)2 + Sn
NaClO4 + NH3 = HNO3 + H2O + NaCl =>
NaClO4 + NH3 = HNO3 + H2O + NaCl
Ca(s) + HCl(aq) = CaCl2(aq) + H2(g) =>
Ca(s) + 2 HCl(aq) = CaCl2(aq) + H2(g)
K + I + Pb(NO3)2 = KNO3 + PbI2 =>
2 K + 2 I + Pb(NO3)2 = 2 KNO3 + PbI2
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
SO3{2-} = S2O6{2-} + e =>
2 SO3{2-} = S2O6{2-} + 2e
AgNO3 + KCI = AgCI + KNO3 =>
AgNO3 + KCI = AgCI + KNO3
HNO3 + HCl = N2O + H2O + Cl2 =>
2 HNO3 + 8 HCl = N2O + 5 H2O + 4 Cl2
KMnO4 + C3H8O3 = CO2 + K2CO3 + H2O + Mn2O3 =>
14 KMnO4 + 4 C3H8O3 = 5 CO2 + 7 K2CO3 + 16 H2O + 7 Mn2O3
NCl + H = HCl2 + N =>
2 NCl + H = HCl2 + 2 N
KMnO4 + N2H4 = MnO2 + N2 + KOH + H2O =>
4 KMnO4 + 3 N2H4 = 4 MnO2 + 3 N2 + 4 KOH + 4 H2O
CuSO4 + Ca(C2H3O2)2 = Cu(C2H3O2)2 + CaSO4 =>
CuSO4 + Ca(C2H3O2)2 = Cu(C2H3O2)2 + CaSO4
CH4(g) + Br2(g) = CBr4(l) + HBr(g) =>
CH4(g) + 4 Br2(g) = CBr4(l) + 4 HBr(g)
KMnO4 + HI + H2SO4 = K2SO4 + MnSO4 + H2O + I =>
2 KMnO4 + 10 HI + 3 H2SO4 = K2SO4 + 2 MnSO4 + 8 H2O + 10 I
NaOH + Mn2O7 = NaMnO4 + H2O =>
2 NaOH + Mn2O7 = 2 NaMnO4 + H2O
Cu2 + HNO3 = CuO + NO + H2O =>
3 Cu2 + 4 HNO3 = 6 CuO + 4 NO + 2 H2O
C5H5S + O2 = CO2 + H2O + SO =>
4 C5H5S + 27 O2 = 20 CO2 + 10 H2O + 4 SO
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
CH3CH2OH + CrO3 + H2SO4 = CH3COH + Cr2(SO4)3 + H2O =>
3 CH3CH2OH + 2 CrO3 + 3 H2SO4 = 3 CH3COH + Cr2(SO4)3 + 6 H2O
CH3OH + CO2 = C3H6O3 + H2O =>
2 CH3OH + CO2 = C3H6O3 + H2O
*SO2 + O2 + *H2O + CaCO3 = CaSO4*2H2O + CO2 =>
2*SO2 + O2 + 4*H2O + 2 CaCO3 = 2 CaSO4*2H2O + 2 CO2
Al + BiONO3 + KOH = Bi + NH3 + KAlO2 + H2 =>
8 Al + 2 BiONO3 + 8 KOH = 2 Bi + 2 NH3 + 8 KAlO2 + H2
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
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