| Équations équilibrées la veille |
3 H2O + 2 SbH3 + 4 Cl2O = H4Sb2O7 + 8 H{+} + 8 Cl{-}
C2H3O2{-} + Br + H2O = CO + HBr + OH{-} =>
C2H3O2{-} + 4 Br + H2O = 2 CO + 4 HBr + OH{-}
Pb(CH3COO)2 + Na2CO3 + H2O = (PbOH)2CO3 + CO2 + CH3COONa =>
2 Pb(CH3COO)2 + 2 Na2CO3 + H2O = (PbOH)2CO3 + CO2 + 4 CH3COONa
NH4SCN + (NH4)2Cr2O7 = (NH4)[Cr(NH3)2(SCN)4] + NH3 + O2 + H2O =>
16 NH4SCN + 2(NH4)2Cr2O7 = 4(NH4)[Cr(NH3)2(SCN)4] + 8 NH3 + 3 O2 + 8 H2O
AgC2H3O2(aq) + (NH4)2CO3(aq) = Ag2CO3(s) + NH4C2H3O2(aq) =>
2 AgC2H3O2(aq) + (NH4)2CO3(aq) = Ag2CO3(s) + 2 NH4C2H3O2(aq)
I2 + NaOH = NaIIOH =>
I2 + NaOH = NaIIOH
UO2 + BrF3 = UF4(s) + Br2(l) + O2(g) =>
3 UO2 + 4 BrF3 = 3 UF4(s) + 2 Br2(l) + 3 O2(g)
(Ca) + H2O = Ca(OH)2 + H2 =>
(Ca) + 2 H2O = Ca(OH)2 + H2
Na2O + H3PO4 = Na3(PO4)2 + H2O + H =>
3 Na2O + 4 H3PO4 = 2 Na3(PO4)2 + 3 H2O + 6 H
ZnCO3 + H2SO4 = ZnSO4 + H2OCO2 =>
ZnCO3 + H2SO4 = ZnSO4 + H2OCO2
C6H4(OH)COOH + Na2CO3 = C6H4(OH)COONa + CO2 + H2O =>
2 C6H4(OH)COOH + Na2CO3 = 2 C6H4(OH)COONa + CO2 + H2O
CO(g) + H2(g) = CH4O(g) =>
CO(g) + 2 H2(g) = CH4O(g)
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O* =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O*
Mg + NaCl = MgCl2 + Na =>
Mg + 2 NaCl = MgCl2 + 2 Na
Al + ZnSO4 = Zn + AlSO4 =>
Al + ZnSO4 = Zn + AlSO4
O9834759 = O3948574398723 =>
2007860138.5162O9834759 = 5001 O3948574398723
C2O4{2-} + CrO7{2-} + H{+} = Cr{3+} + CO2 + H2O =>
9 C2O4{2-} + 2 CrO7{2-} + 28 H{+} = 2 Cr{3+} + 18 CO2 + 14 H2O
H3PO4 + Na3 = Na3PO4 + H3 =>
H3PO4 + Na3 = Na3PO4 + H3
Sodium + sulfuricacid = hydrogen + sodiumsulfate =>
2 Na + H2SO4 = H2 + Na2SO4
K2CrO7 + HCl + HNO3 = KNO3 + Cr(NO3)3 + Cl2 + H2O =>
2 K2CrO7 + 18 HCl + 10 HNO3 = 4 KNO3 + 2 Cr(NO3)3 + 9 Cl2 + 14 H2O
H3PO3 = H3PO4 + PH3 =>
4 H3PO3 = 3 H3PO4 + PH3
H2SO4 + V(OH)2 = VSO4 + H2O =>
H2SO4 + V(OH)2 = VSO4 + 2 H2O
HCl(aq) + K2CO3(s) = KCl(aq) + CO2(g) + H2O(l) =>
2 HCl(aq) + K2CO3(s) = 2 KCl(aq) + CO2(g) + H2O(l)
Na2CrO4 + Ca = Ca(CrO4) + Na2 =>
Na2CrO4 + Ca = Ca(CrO4) + Na2
K2Cr2O7 + HCl = CrCl3 + Cl2 + KCl2 + H2O =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 2 Cl2 + 2 KCl2 + 7 H2O
FePb(NO3)2 = Fe(NO3)2Pb =>
FePb(NO3)2 = Fe(NO3)2Pb
AgNO3 + H3PO3 = Ag2HPO3 + HNO3 =>
2 AgNO3 + H3PO3 = Ag2HPO3 + 2 HNO3
Fe(s) + Cu(NO3)2(aq) = Cu(s) + Fe(NO3)2(aq) =>
Fe(s) + Cu(NO3)2(aq) = Cu(s) + Fe(NO3)2(aq)
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
H2SO4 + Na2Cr2O7 + C6H12O = Cr2(SO4)3 + Na2SO4 + C6H10O + H2O =>
4 H2SO4 + Na2Cr2O7 + 3 C6H12O = Cr2(SO4)3 + Na2SO4 + 3 C6H10O + 7 H2O
NH2 = N2 + H2 =>
2 NH2 = N2 + 2 H2
NH4 + SO4 + SrCl2 = Cl2NH4 + SrSO4 =>
NH4 + SO4 + SrCl2 = Cl2NH4 + SrSO4
CaCl2 + Al2(SO4)3 = Ca(SO4) + Al2Cl6 =>
3 CaCl2 + Al2(SO4)3 = 3 Ca(SO4) + Al2Cl6
Fe(s) + Cu(NO3)2(aq) = Cu(s) + Fe(NO3)2(aq) =>
Fe(s) + Cu(NO3)2(aq) = Cu(s) + Fe(NO3)2(aq)
Pb3(SO4)2(s) = Pb + SO4 =>
Pb3(SO4)2(s) = 3 Pb + 2 SO4
(NH4)(NO3) + AlBr3 = (NH4)Br + Al(NO3)3 =>
3(NH4)(NO3) + AlBr3 = 3(NH4)Br + Al(NO3)3
Ga(HSO4)3 = Ga2(SO4)3 + SO3 + H2O =>
2 Ga(HSO4)3 = Ga2(SO4)3 + 3 SO3 + 3 H2O
H + I = HI =>
H + I = HI
H2C2O4*H2O + KMnO4 = CO2 + K2O + MnO + H2O =>
5 H2C2O4*H2O + 2 KMnO4 = 10 CO2 + K2O + 2 MnO + 10 H2O
Ba(OH)2 + SO3 = BaH2SO5 =>
Ba(OH)2 + SO3 = BaH2SO5
Cl2Mn + PbO2 + HNO3 = HMnO4 + Cl2 + Pb(NO3)2 + H2O =>
2 Cl2Mn + 7 PbO2 + 14 HNO3 = 2 HMnO4 + 2 Cl2 + 7 Pb(NO3)2 + 6 H2O
Cr{3+} + NH3 + H2O = Cr2O3 + NH4{+} =>
2 Cr{3+} + 6 NH3 + 3 H2O = Cr2O3 + 6 NH4{+}
Mn(NO3)2 + NaBiO4 + HNO3 = NaMnO4 + Bi(NO3)3 + H2O + NaNO3 =>
4 Mn(NO3)2 + 5 NaBiO4 + 8 HNO3 = 4 NaMnO4 + 5 Bi(NO3)3 + 4 H2O + NaNO3
Y + Se = YSe =>
Y + Se = YSe
Cr2O3 + O2 + Ca = CaCrO4 =>
2 Cr2O3 + 5 O2 + 4 Ca = 4 CaCrO4
Fe(CO)5 + NaOH = Na2Fe(CO)4 + CO2 + H2O =>
Fe(CO)5 + 2 NaOH = Na2Fe(CO)4 + CO2 + H2O
HBr + K2Cr2O7 = CrBr3 + H2O + KBr + Br2 =>
14 HBr + K2Cr2O7 = 2 CrBr3 + 7 H2O + 2 KBr + 3 Br2
H3O + P2 + O5 = H3P2O6 =>
H3O + P2 + O5 = H3P2O6
Na2SO4 + Ca(NO2)2 = NaNO2 + CaSO4 =>
Na2SO4 + Ca(NO2)2 = 2 NaNO2 + CaSO4
Al2(OH)3(heated) = Al + O + H =>
Al2(OH)3(heated) = 2 Al + 3 O + 3 H
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