Équations équilibrées la veille |
35 C9H12 + 66 KMnO4 + 99 H2SO4 = 174 H2O + 33 K2SO4 + 66 MnSO4 + 45 C6H5COOH
Na + MgCO3 = Mg + Na2CO3 =>
2 Na + MgCO3 = Mg + Na2CO3
CaCl2*2H2O + NaOH = Ca(OH)2 + NaCl + H2O =>
CaCl2*2H2O + 2 NaOH = Ca(OH)2 + 2 NaCl + 2 H2O
PbO2 + MnSO4 + HNO3 = Pb(NO3)2 + HMnO4 + PbSO4 + H2O =>
5 PbO2 + 2 MnSO4 + 6 HNO3 = 3 Pb(NO3)2 + 2 HMnO4 + 2 PbSO4 + 2 H2O
Si + Ae2O3 = Ae + SiO2 =>
3 Si + 2 Ae2O3 = 4 Ae + 3 SiO2
Ca3N2(s) + H2O(l) = Ca(OH)2(aq) + NH3(g) =>
Ca3N2(s) + 6 H2O(l) = 3 Ca(OH)2(aq) + 2 NH3(g)
KMnO4 + KI + H2SO4 = MnSO4 + K2SO4 + H2O + I2 =>
2 KMnO4 + 10 KI + 8 H2SO4 = 2 MnSO4 + 6 K2SO4 + 8 H2O + 5 I2
LiH(s) + H2O(l) = LiOH(aq) + H2(g) =>
LiH(s) + H2O(l) = LiOH(aq) + H2(g)
ZnCuO = ZnOCu =>
ZnCuO = ZnOCu
AgNO3 + Na2S2O8 + H2O = AgO + H2SO4 + NaNO3 =>
2 AgNO3 + Na2S2O8 + 2 H2O = 2 AgO + 2 H2SO4 + 2 NaNO3
NaNO2 + HNO3 = NaNO3 + NO2 + H2O =>
NaNO2 + 2 HNO3 = NaNO3 + 2 NO2 + H2O
SrS + NiI2 = SrI + NiS2 =>
2 SrS + NiI2 = 2 SrI + NiS2
FeCl3 + NaOH = (Fe(OH)3) + (NaCl) =>
FeCl3 + 3 NaOH = (Fe(OH)3) + 3(NaCl)
PH3 + Br2 = PBr3 + HBr =>
PH3 + 3 Br2 = PBr3 + 3 HBr
Cu + FeO = CuO + Fe =>
Cu + FeO = CuO + Fe
C2H5Cl + H2O = C2H5OH + HCl =>
C2H5Cl + H2O = C2H5OH + HCl
BaBr2 + AgNO3 = Ba(NO3)2 + AgBr =>
BaBr2 + 2 AgNO3 = Ba(NO3)2 + 2 AgBr
SO2(g) + HF(l) = SF4(g) + H2O(l) =>
SO2(g) + 4 HF(l) = SF4(g) + 2 H2O(l)
He + Xe = HeXe =>
He + Xe = HeXe
NaClO + NaI = NaClONaI =>
NaClO + NaI = NaClONaI
AgY = Ag + Y2 =>
2 AgY = 2 Ag + Y2
Al(CH3COO)3 + KHCO3 = KCH3COO + Al(HCO3)3 =>
Al(CH3COO)3 + 3 KHCO3 = 3 KCH3COO + Al(HCO3)3
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
Al + C + H2O = Al(OH)3 + CH4 =>
4 Al + 3 C + 12 H2O = 4 Al(OH)3 + 3 CH4
Hg + KBr = HgBr2 + K =>
Hg + 2 KBr = HgBr2 + 2 K
[CH3COO]2Pb + KI = PbI2 + CH3COOK =>
[CH3COO]2Pb + 2 KI = PbI2 + 2 CH3COOK
SO2 + KOH = K2SO4 + H2 =>
SO2 + 2 KOH = K2SO4 + H2
AgNO2 + H2O = AgOH + HNO2 =>
AgNO2 + H2O = AgOH + HNO2
SiCl4(s) + H2O(l) = H2SiO3(s) + HCl(g) =>
SiCl4(s) + 3 H2O(l) = H2SiO3(s) + 4 HCl(g)
C6H5NH2 + H2SO4 = (C6H5NH3)2SO4 =>
2 C6H5NH2 + H2SO4 = (C6H5NH3)2SO4
Mg + HBr = MgH2Br2 =>
Mg + 2 HBr = MgH2Br2
FeCl3 + KNCS = [Fe(NCS)]Cl2 + KCl =>
FeCl3 + KNCS = [Fe(NCS)]Cl2 + KCl
HMnO4 + HCl = MnCl2 + Cl2 + H2O =>
2 HMnO4 + 14 HCl = 2 MnCl2 + 5 Cl2 + 8 H2O
BaOH + H2SO4 = Ba2SO4 + HOH =>
2 BaOH + H2SO4 = Ba2SO4 + 2 HOH
As2O2 + HNO3 + H2O = H3AsO4 + NO =>
As2O2 + 2 HNO3 + 2 H2O = 2 H3AsO4 + 2 NO
PbCl2 + HI = PbI2 + HCl =>
PbCl2 + 2 HI = PbI2 + 2 HCl
K[Cr(H2O)2(C2O4)2]2H2O + KOH = Cr(OH)3 + H2O + K2 + C2O4 =>
2 K[Cr(H2O)2(C2O4)2]2H2O + 12 KOH = 4 Cr(OH)3 + 10 H2O + 7 K2 + 8 C2O4
Cu(NO3)2 + HCl = H2(NO3)2 + CuCl2 =>
Cu(NO3)2 + 2 HCl = H2(NO3)2 + CuCl2
SO4 + BaCl2 = BaSO4 + Cl =>
SO4 + BaCl2 = BaSO4 + 2 Cl
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
BaCl2 + HNO3 = Ba(NO3)2 + HCl =>
BaCl2 + 2 HNO3 = Ba(NO3)2 + 2 HCl
CaO2*8H2O + KMnO4 + H2SO4 = CaSO4 + K2SO4 + MnSO4 + H2O2 =>
CaO2*8H2O + 8 KMnO4 + 13 H2SO4 = CaSO4 + 4 K2SO4 + 8 MnSO4 + 21 H2O2
BaBr2 + AgNO3 = Ba(NO3)2 + AgBr =>
BaBr2 + 2 AgNO3 = Ba(NO3)2 + 2 AgBr
HBr(aq) + Mg = H + MgBr =>
HBr(aq) + Mg = H + MgBr
Cr2(SO4)3 + HBr = Cr + H2SO4 + Br2 =>
Cr2(SO4)3 + 6 HBr = 2 Cr + 3 H2SO4 + 3 Br2
Pt + HCl + HNO3 = H2PtCl6 + NO2 + H2O =>
Pt + 6 HCl + 4 HNO3 = H2PtCl6 + 4 NO2 + 4 H2O
AgY = Ag + Y2 =>
2 AgY = 2 Ag + Y2
FeS + HSO4 = FeSO4 + H2O + SO2 =>
3 FeS + 8 HSO4 = 3 FeSO4 + 4 H2O + 8 SO2
NaOH + ZnS = Zn(OH)2 + Na2S =>
2 NaOH + ZnS = Zn(OH)2 + Na2S
H3PO3 = H3PO4 + PH3 =>
4 H3PO3 = 3 H3PO4 + PH3
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