| Équations équilibrées la veille |
2 KMnO4 + 5 H2SO3 = K2SO4 + 2 MnSO4 + 2 H2SO4 + 3 H2O
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
K3PO4 + BaI2 = Ba3(PO4)2 + KI =>
2 K3PO4 + 3 BaI2 = Ba3(PO4)2 + 6 KI
K2Cr2O7 + HCl + C2H5OH = CrCl3 + CO2 + KCl + H2O =>
2 K2Cr2O7 + 16 HCl + C2H5OH = 4 CrCl3 + 2 CO2 + 4 KCl + 11 H2O
C5H12 + O2 = C2 + H2O =>
2 C5H12 + 6 O2 = 5 C2 + 12 H2O
ZnSO4*7H2O + S = ZnO + SO2 + H2O =>
2 ZnSO4*7H2O + S = 2 ZnO + 3 SO2 + 14 H2O
NaNd(C2O4)2 + H2O = Nd(OH)3 + Na2C2O4 + H2C2O4 =>
2 NaNd(C2O4)2 + 6 H2O = 2 Nd(OH)3 + Na2C2O4 + 3 H2C2O4
C + O1 = CO2 =>
C + 2 O1 = CO2
Mg2SiO4 + Ca(OH)2 + H2O = Mg(OH)2 + CaO*SiO2*H2O =>
Mg2SiO4 + Ca(OH)2 + 2 H2O = 2 Mg(OH)2 + CaO*SiO2*H2O
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
KCNS + Fe(NO3)3 = KNO3 + Fe(CNS)3 =>
3 KCNS + Fe(NO3)3 = 3 KNO3 + Fe(CNS)3
CaO + HNO3 = Ca(OH)2 + Ca(NO3)2 =>
2 CaO + 2 HNO3 = Ca(OH)2 + Ca(NO3)2
Fe(NO3)3(aq) + KOH(aq) = FeOH(s) + K(NO3)3(aq) =>
Fe(NO3)3(aq) + KOH(aq) = FeOH(s) + K(NO3)3(aq)
Ba + ZnSO4 = BaSO4 + Zn =>
Ba + ZnSO4 = BaSO4 + Zn
Cu(No3)2 + H2S = CuS + HNo3 =>
Cu(No3)2 + H2S = CuS + 2 HNo3
CrBr3 + H2O = Cr(OH)3 + HBr =>
CrBr3 + 3 H2O = Cr(OH)3 + 3 HBr
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
Na2CO3*10H2O = Na2CO3 + H2O = NaCO + H =>
Na2CO3*10H2O = Na2CO3 + 10 H2O
Mg + NaFl = MgFl + Na =>
Mg + NaFl = MgFl + Na
AlI = Al2I6 + Al =>
6 AlI = Al2I6 + 4 Al
CuSO4 = CuO + SO3 =>
CuSO4 = CuO + SO3
NaAlO2HNO3 = NaNO3HAlO2 =>
NaAlO2HNO3 = NaNO3HAlO2
Zn(NO3)2 = ZnO + NO2 + O2 =>
2 Zn(NO3)2 = 2 ZnO + 4 NO2 + O2
KMnO4 + AsBr3 + HClO4 = H3AsO4 + KBrO3 + Mn(ClO4)2 + KClO4 + H2O =>
4 KMnO4 + AsBr3 + 9 HClO4 = H3AsO4 + 3 KBrO3 + 4 Mn(ClO4)2 + KClO4 + 3 H2O
NaFBr2 = NaBrBrF =>
NaFBr2 = NaBrBrF
NH4 + HCl = NH + H4Cl =>
NH4 + HCl = NH + H4Cl
K2Cr2O7 + C + H2SO4 = Cr2(SO4)3 + CO2 + K2SO4 + H2O =>
2 K2Cr2O7 + 3 C + 8 H2SO4 = 2 Cr2(SO4)3 + 3 CO2 + 2 K2SO4 + 8 H2O
(N2H6)SO3 + KBrO3 + NaOH = N2 + KBr + Na2SO4 + H2O =>
(N2H6)SO3 + KBrO3 + 2 NaOH = N2 + KBr + Na2SO4 + 4 H2O
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
Fe + NaOH + H2O = Na2[Fe(OH)4] + H2 =>
Fe + 2 NaOH + 2 H2O = Na2[Fe(OH)4] + H2
CaBr2(aq) + Na2SO4(aq) = CaSO4(s) + NaBr(aq) =>
CaBr2(aq) + Na2SO4(aq) = CaSO4(s) + 2 NaBr(aq)
P4O10 = O + P4 =>
P4O10 = 10 O + P4
HCl + MoO2Cl2 + B10H14 = Mo + H2O + BCl3 =>
46 HCl + 22 MoO2Cl2 + 3 B10H14 = 22 Mo + 44 H2O + 30 BCl3
Fe(NO3)3(aq) + Na2CO3(aq) = FeCO3(s) + Na2(NO3)3(aq) =>
Fe(NO3)3(aq) + Na2CO3(aq) = FeCO3(s) + Na2(NO3)3(aq)
H2SO4 + FeS = FeSO4 + H2S =>
H2SO4 + FeS = FeSO4 + H2S
Cr = Cr207 =>
207 Cr = Cr207
C12H22O11C12 + H2O = C2H6O + CO2 =>
C12H22O11C12 + 13 H2O = 8 C2H6O + 8 CO2
BaCO3 + FeCl2 = BaCl2 + FeCO3 =>
BaCO3 + FeCl2 = BaCl2 + FeCO3
MnO4 + Br2 = BrO3 + MnO2 =>
3 MnO4 + Br2 = 2 BrO3 + 3 MnO2
Br3Cr + RbBr + H2O = H2Cr2O7 + Rb + HBr =>
2 Br3Cr + 6 RbBr + 7 H2O = H2Cr2O7 + 6 Rb + 12 HBr
NaCl + MgOH = NaOH + MgCl =>
NaCl + MgOH = NaOH + MgCl
Fe(OH)2 = FeO + H2O =>
Fe(OH)2 = FeO + H2O
MgN2 + HOH = Mg(OH)2 + HN =>
MgN2 + 2 HOH = Mg(OH)2 + 2 HN
KCl + (OH){-} = KClO4 + {-} + H2O =>
KCl + 8(OH){-} = KClO4 + 8e + 4 H2O
CaO + LiCl = Li2O + CaCl2 =>
CaO + 2 LiCl = Li2O + CaCl2
ZnSO4 + (NH4)2S = (NH4)2SO4 + ZnS =>
ZnSO4 + (NH4)2S = (NH4)2SO4 + ZnS
H2O + Cr2O7{2-} + CH3OH = CH2O + Cr{3+} + OH{-} =>
H2O + Cr2O7{2-} + 3 CH3OH = 3 CH2O + 2 Cr{3+} + 8 OH{-}
CU2O + C = CU + CO =>
CU2O + 2 C = 2 CU + CO
Ca(HPO4) + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 Ca(HPO4) + Ca(OH)2 = Ca3(PO4)2 + 2 H2O
C6H14O2 + HCl = C6H13OCl + H2O =>
C6H14O2 + HCl = C6H13OCl + H2O
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