| Équations équilibrées la veille |
Na2S2O3 + 4 H2O2 = Na2SO4 + H2SO4 + 3 H2O
C4H10O + Na2Cr2O7 + H2SO4 = C8H16O2 + Cr2(SO4)3 + Na2SO3 + H2O =>
4 C4H10O + Na2Cr2O7 + 4 H2SO4 = 2 C8H16O2 + Cr2(SO4)3 + Na2SO3 + 8 H2O
Zn(NO3)2*4H2O + NaOH = Zn(OH)2 + NaNO3 + H2O =>
Zn(NO3)2*4H2O + 2 NaOH = Zn(OH)2 + 2 NaNO3 + 4 H2O
KCl + HBr = KBr + HCl =>
KCl + HBr = KBr + HCl
Pb + Ag(NO3)3 = Pb(NO3)2 + Ag =>
3 Pb + 2 Ag(NO3)3 = 3 Pb(NO3)2 + 2 Ag
O2 + C + H2 = C4H10O =>
O2 + 8 C + 10 H2 = 2 C4H10O
Ca(OH)2 + Cl2 = CaCl2 + Ca(ClO)2 + H2O =>
2 Ca(OH)2 + 2 Cl2 = CaCl2 + Ca(ClO)2 + 2 H2O
C8H8O3 + NaHCO3 = C8H7O3Na + H2O + CO2 =>
C8H8O3 + NaHCO3 = C8H7O3Na + H2O + CO2
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
H2N{-}(R){-}NH2 + HCl = NH3{-}(R){-}NH3 + Cl =>
H2N{-}(R){-}NH2 + HCl = NH3{-}(R){-}NH3 + Cl
KCl4 = K + Cl4 =>
KCl4 = K + Cl4
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
Ca1(O1H1)2 + Al2(S1O4)3 = Ca1S1O4 + Al1(O1H1)3 =>
3 Ca1(O1H1)2 + Al2(S1O4)3 = 3 Ca1S1O4 + 2 Al1(O1H1)3
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
COCH2OH + KMnO4 + H2SO4 = COCHO + MnSO4 + H2O + K2SO4 =>
5 COCH2OH + 2 KMnO4 + 3 H2SO4 = 5 COCHO + 2 MnSO4 + 8 H2O + K2SO4
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Li2SO4 + Zn = Li2Zn + SO4 =>
Li2SO4 + Zn = Li2Zn + SO4
ZnS + Cl2 + H2O = ZnCl2 + H2 + SO2 =>
ZnS + Cl2 + 2 H2O = ZnCl2 + 2 H2 + SO2
HNO2 + KMnO4 + H4SO4 = HNO3 + K2SO4 + MnSO4 + H2O =>
2 HNO2 + 2 KMnO4 + 3 H4SO4 = 2 HNO3 + K2SO4 + 2 MnSO4 + 6 H2O
P = P25 = H2P4 =>
25 P = P25
PBr5 + KOH = K3PO4 + KBr + H2O =>
PBr5 + 8 KOH = K3PO4 + 5 KBr + 4 H2O
CaF2 + B(OH)3 = BF3 + OH + Ca =>
3 CaF2 + 2 B(OH)3 = 2 BF3 + 6 OH + 3 Ca
P2O5 = O + P =>
P2O5 = 5 O + 2 P
AgNO3(aq) + Zn(s)3(aq) = Ag(s) + Zn(NO3)2(aq) =>
6 AgNO3(aq) + Zn(s)3(aq) = 6 Ag(s) + 3 Zn(NO3)2(aq)
P2(g) + H2 = PH3 =>
P2(g) + 3 H2 = 2 PH3
Al + HCl = AlCl4 + H =>
Al + 4 HCl = AlCl4 + 4 H
Al + LiOH + H2O = Li2[Al(OH)4] + H2 =>
Al + 2 LiOH + 2 H2O = Li2[Al(OH)4] + H2
Li + CaSO4 = Li2SO4 + Ca =>
2 Li + CaSO4 = Li2SO4 + Ca
Zn + HNO3 = (ZnNO3)2 + NO + H2O =>
6 Zn + 8 HNO3 = 3(ZnNO3)2 + 2 NO + 4 H2O
Zn + FeCl3 = ZnCl2 + Fe =>
3 Zn + 2 FeCl3 = 3 ZnCl2 + 2 Fe
CrI3 + KOH + Cl2 = K2CrO4 + KI + KCl + H2O =>
2 CrI3 + 16 KOH + 3 Cl2 = 2 K2CrO4 + 6 KI + 6 KCl + 8 H2O
H2CO3 + NH4OH = (NH4)2CO3 + H2O =>
H2CO3 + 2 NH4OH = (NH4)2CO3 + 2 H2O
HCHO + KMnO4 + H2SO4 = K2SO4 + HCOOH + MnSO4 + H2O =>
5 HCHO + 2 KMnO4 + 3 H2SO4 = K2SO4 + 5 HCOOH + 2 MnSO4 + 3 H2O
Ethane + oxygen = carbondioxide + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Mn(OH)2 + NaOH = MnNa + OH =>
Mn(OH)2 + NaOH = MnNa + 3 OH
ReCl5 + SbCl = ReCl4 + SbCl5 =>
4 ReCl5 + SbCl = 4 ReCl4 + SbCl5
MoO4{2-} + H{+} = Mo7O24{6-} + H2O =>
7 MoO4{2-} + 8 H{+} = Mo7O24{6-} + 4 H2O
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
Cr2(SO4)3 + H2O + KMnO4 = H2Cr2O7 + H2SO4 + K2SO4 + MnSO4 =>
5 Cr2(SO4)3 + 11 H2O + 6 KMnO4 = 5 H2Cr2O7 + 6 H2SO4 + 3 K2SO4 + 6 MnSO4
Ca + Ca(NO3)2 = CaCa(NO3)2 =>
Ca + Ca(NO3)2 = CaCa(NO3)2
KOH + Ag2O = AgOH + K2O =>
2 KOH + Ag2O = 2 AgOH + K2O
NaI(aq) + Mg(NO3)2(aq) = NaNO3(aq) + MgI2(aq) =>
2 NaI(aq) + Mg(NO3)2(aq) = 2 NaNO3(aq) + MgI2(aq)
HSO4{-} + AlO2{-} + H2O = Al(OH)3 + SO4{2-} =>
HSO4{-} + AlO2{-} + H2O = Al(OH)3 + SO4{2-}
Ni(NO3)2(aq) + Na2S(aq) = NaNO3 + NiS =>
Ni(NO3)2(aq) + Na2S(aq) = 2 NaNO3 + NiS
KNO{3} + CaCl{2} = Ca(NO{3}){2} + KCl =>
KNO{3} + CaCl{2} = Ca(NO{3}){2} + KCl
K + HNO3 = KNO3 + H2O + NH4OH =>
8 K + 9 HNO3 = 8 KNO3 + 2 H2O + NH4OH
CNH2NCOOH + NaOH = CNH2NCOONa + H2O =>
CNH2NCOOH + NaOH = CNH2NCOONa + H2O
BaSO4 = Ba + SO4 =>
BaSO4 = Ba + SO4
(NH4)(NO3) + Cu(NO3)2 = (NH4)(NO3)2 + Cu(NO3) =>
(NH4)(NO3) + Cu(NO3)2 = (NH4)(NO3)2 + Cu(NO3)
S + KOH = S2O3K2 + SK2 + H2O =>
4 S + 6 KOH = S2O3K2 + 2 SK2 + 3 H2O
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