| Équations équilibrées la veille |
6 Na2SeO3 + 2 SnCl2 + 2 H2SO4 = SnCl4 + SnS2 + 6 Na2SeO4 + 2 H2O
Cu + Na2S = CuNa2S =>
Cu + Na2S = CuNa2S
Zn(OH)2 + H2O = Zn(OH)3 + H =>
Zn(OH)2 + H2O = Zn(OH)3 + H
MgBr2 + H2SO4 = MgSO4 + H2Br2 =>
MgBr2 + H2SO4 = MgSO4 + H2Br2
SO2 + NO3 = SO3 + NO2 =>
SO2 + NO3 = SO3 + NO2
HCl + BaSO3 = BaCl2 + O2 + H2S =>
4 HCl + 2 BaSO3 = 2 BaCl2 + 3 O2 + 2 H2S
C6H11OH + H2SO4 + K2Cr2O7 = C6H10O + K2SO4 + Cr2(SO4)3 + H2O =>
3 C6H11OH + 4 H2SO4 + K2Cr2O7 = 3 C6H10O + K2SO4 + Cr2(SO4)3 + 7 H2O
Cu(NO3)2(aq) + KOH = Cu(OH)2 + KNO3 =>
Cu(NO3)2(aq) + 2 KOH = Cu(OH)2 + 2 KNO3
Cr(NO3)3 = NO2 + O2 + Cr2O3 =>
4 Cr(NO3)3 = 12 NO2 + 3 O2 + 2 Cr2O3
CaO + ISO2 = CaSIO3 =>
CaO + ISO2 = CaSIO3
C6H7O2(OH)3 + O2 = CO2 + H2O =>
C6H7O2(OH)3 + 6 O2 = 6 CO2 + 5 H2O
CO3{2-} + HCl = HCO3{-} + Cl{-} =>
CO3{2-} + HCl = HCO3{-} + Cl{-}
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
K2CrO4 + Na2SO3 + HCl = KCl + Na2SO4 + CrCl2 + H2O =>
K2CrO4 + 2 Na2SO3 + 4 HCl = 2 KCl + 2 Na2SO4 + CrCl2 + 2 H2O
Sr3P2 + HCl = SrCl2 + H3P =>
Sr3P2 + 6 HCl = 3 SrCl2 + 2 H3P
Fe{+2} + H2O2 + H{+} = Fe{+3} + H2O =>
2 Fe{+2} + H2O2 + 2 H{+} = 2 Fe{+3} + 2 H2O
AlCl3 + C = CCl4 + Al =>
4 AlCl3 + 3 C = 3 CCl4 + 4 Al
C2H5NSCl + O2 = CO + H2O + SO3 + HCl + NO2 =>
2 C2H5NSCl + 9 O2 = 4 CO + 4 H2O + 2 SO3 + 2 HCl + 2 NO2
H2O2 + K2Cr2O7 = CrO5 + KOH + H2O =>
4 H2O2 + K2Cr2O7 = 2 CrO5 + 2 KOH + 3 H2O
Zn(OH)2 + H2O = H3O + ZnO2 =>
Zn(OH)2 + 2 H2O = 2 H3O + ZnO2
Al(OH)3(s) = Al(s) + O(g) + H2(g) =>
2 Al(OH)3(s) = 2 Al(s) + 6 O(g) + 3 H2(g)
C2H5NSCl + O2 = CO + H2O + SO3 + HCl + NO2 =>
2 C2H5NSCl + 9 O2 = 4 CO + 4 H2O + 2 SO3 + 2 HCl + 2 NO2
NO{3-} + H2O + Al = NH3 + AlO2 + OH{-} =>
2 NO{3-} + 6 H2O + Al = 2 NH3 + AlO2 + 6 OH{-}
CuSO4 + Zn = Cu + ZnSO4 =>
CuSO4 + Zn = Cu + ZnSO4
SbF5 + H2O = SbOF3 + HF =>
SbF5 + H2O = SbOF3 + 2 HF
Ag + Au2O3 = Au + Ag2O3 =>
2 Ag + Au2O3 = 2 Au + Ag2O3
(NH4)2SO4(aq) + Ca(OH)2 = CaSO4 + NH3(g) + H2O(l) =>
(NH4)2SO4(aq) + Ca(OH)2 = CaSO4 + 2 NH3(g) + 2 H2O(l)
H6S + H3As + N2O2 = H5N + As2S3 + H2O =>
21 H6S + 14 H3As + 12 N2O2 = 24 H5N + 7 As2S3 + 24 H2O
CH3COO + Na2CO3 = CH4 + CO2 + NaCOO =>
4 CH3COO + 2 Na2CO3 = 3 CH4 + 3 CO2 + 4 NaCOO
C2H5NSCl + O2 = CO + H2O + SO3 + HCl + NO2 =>
2 C2H5NSCl + 9 O2 = 4 CO + 4 H2O + 2 SO3 + 2 HCl + 2 NO2
CuCN + NaCN = NaCu(CN)2 =>
CuCN + NaCN = NaCu(CN)2
NaSeO3 + NaI + HBr = I2 + Se2 + NaBr + H2O =>
2 NaSeO3 + 10 NaI + 12 HBr = 5 I2 + Se2 + 12 NaBr + 6 H2O
C2H5NSCl + O2 = CO + H2O + SO3 + HCl + NO2 =>
2 C2H5NSCl + 9 O2 = 4 CO + 4 H2O + 2 SO3 + 2 HCl + 2 NO2
V(OH)4Cl + Fe(Cl)2 + HCl = VOCl2 + FeCl3 + H2O =>
V(OH)4Cl + Fe(Cl)2 + 2 HCl = VOCl2 + FeCl3 + 3 H2O
K2Cr2O7 + Na2C2O4 + H2SO4 = K3SO4 + Cr2(SO4)3 + Na2SO4 + H2O + CO2 =>
3 K2Cr2O7 + 10 Na2C2O4 + 21 H2SO4 = 2 K3SO4 + 3 Cr2(SO4)3 + 10 Na2SO4 + 21 H2O + 20 CO2
Na3PO4 + NH3 = Na3H3 + NPO4 =>
Na3PO4 + NH3 = Na3H3 + NPO4
KOH(aq) + H3PO4(aq) = K3PO4(aq) + H2O(l) =>
3 KOH(aq) + H3PO4(aq) = K3PO4(aq) + 3 H2O(l)
H2S + CI = HCI + S =>
H2S + 2 CI = 2 HCI + S
CaC2O4 + CH3COOH = Ca(COOH)2 + (CH3)2C2O4 =>
CaC2O4 + 2 CH3COOH = Ca(COOH)2 + (CH3)2C2O4
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Pb + S + KCl = PbCl2 + K2S =>
Pb + S + 2 KCl = PbCl2 + K2S
MgCO3 = Mg2(CO3)2 =>
2 MgCO3 = Mg2(CO3)2
Th(NO3)4 + HCl = ThOCl2 + H2O + NO + Cl2 =>
Th(NO3)4 + 14 HCl = ThOCl2 + 7 H2O + 4 NO + 6 Cl2
Cr2 + (SO4)3 + NaOH = Cr(OH)3 + Na2SO4 =>
Cr2 + (SO4)3 + 6 NaOH = 2 Cr(OH)3 + 3 Na2SO4
C2H5NSCl + O2 = CO + H2O + SO3 + HCl + NO2 =>
2 C2H5NSCl + 9 O2 = 4 CO + 4 H2O + 2 SO3 + 2 HCl + 2 NO2
HI(aq) + Sr(OH)2 = (H2O) + SrI2 =>
2 HI(aq) + Sr(OH)2 = 2(H2O) + SrI2
C2H5NSCl + O2 = CO + H2O + SO3 + HCl + NO2 =>
2 C2H5NSCl + 9 O2 = 4 CO + 4 H2O + 2 SO3 + 2 HCl + 2 NO2
Na3PO4(aq) + Zn(NO3)2(aq) = NaNO3(aq) + Zn3(PO4)2(aq) =>
2 Na3PO4(aq) + 3 Zn(NO3)2(aq) = 6 NaNO3(aq) + Zn3(PO4)2(aq)
Ca + Co + HCl = CaCo3HCl =>
Ca + 3 Co + HCl = CaCo3HCl
(BaO2) + HCl = (BaCl2) + (H2O2) =>
(BaO2) + 2 HCl = (BaCl2) + (H2O2)
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