Équations équilibrées la veille |
2 NaHS + 2 KOH = Na2S + K2S + 2 H2O
Mg + Ni2Cl = Ni + MgCl2 =>
Mg + 2 Ni2Cl = 4 Ni + MgCl2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Se + O2 = SeO3 =>
2 Se + 3 O2 = 2 SeO3
CNNCN = CCNNN =>
CNNCN = CCNNN
(CH3)2N2H2 + H2O = (CH3)2N2H3 + OH =>
(CH3)2N2H2 + H2O = (CH3)2N2H3 + OH
C2*H6*C*O*C3*H6*O + O2 = H2*O + C*O2 =>
C2*H6*C*O*C3*H6*O + 8 O2 = 6 H2*O + 6 C*O2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cr(OH)3 + Br2 + KOH = K2CrO4 + KBr + H2O =>
2 Cr(OH)3 + 3 Br2 + 10 KOH = 2 K2CrO4 + 6 KBr + 8 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
PbO2 + HCl = PbCl + Cl2 + H2O =>
2 PbO2 + 8 HCl = 2 PbCl + 3 Cl2 + 4 H2O
Se + O2 = SeO3 =>
2 Se + 3 O2 = 2 SeO3
CH3COOK + HI = KI + CH3COOH =>
CH3COOK + HI = KI + CH3COOH
K(s) + H2O(l) = KO(aq) + H2(g) =>
K(s) + H2O(l) = KO(aq) + H2(g)
VO{2+} + H2O = V(OH)4{+} + H{+} + e =>
VO{2+} + 3 H2O = V(OH)4{+} + 2 H{+} + e
NaHS + KOH = Na2S + K2S + H2O =>
2 NaHS + 2 KOH = Na2S + K2S + 2 H2O
Al2(SO4)3 + SrBr2 = SrSO4 + AlBr3 =>
Al2(SO4)3 + 3 SrBr2 = 3 SrSO4 + 2 AlBr3
C6H5COOK + CH3OH = C6H5COOCH3 + KOH =>
C6H5COOK + CH3OH = C6H5COOCH3 + KOH
O2(g) = O3(g) =>
3 O2(g) = 2 O3(g)
BaSO4 = Ba2(SO4)2 =>
2 BaSO4 = Ba2(SO4)2
KSO3 + HCl = KCl2 + SO2H2O =>
KSO3 + 2 HCl = KCl2 + SO2H2O
CuO + NH3 = Cu + H3O + N2 =>
2 CuO + 2 NH3 = 2 Cu + 2 H3O + N2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
CoBr3 + CaSO4 = CaBr2 + Co2(SO4)3 =>
2 CoBr3 + 3 CaSO4 = 3 CaBr2 + Co2(SO4)3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
K2CrO4 + Ba(NO3)2 = K(NO3) + BaCrO4 =>
K2CrO4 + Ba(NO3)2 = 2 K(NO3) + BaCrO4
HNO3Na2CO3 = NaNO3NaHCO3 =>
HNO3Na2CO3 = NaNO3NaHCO3
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Ca3(PO4)2 + K2HPO4 = Ca(H2PO4)2 + K3PO4 =>
Ca3(PO4)2 + 12 K2HPO4 = 3 Ca(H2PO4)2 + 8 K3PO4
K2Cl = K2(Cl) =>
K2Cl = K2(Cl)
CH2CHCOOH + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + CO2 =>
5 CH2CHCOOH + 12 KMnO4 + 18 H2SO4 = 6 K2SO4 + 12 MnSO4 + 28 H2O + 15 CO2
HCH3CO2 + Mg(OH)2 = H2O + MgCH3 + CO2 =>
9 HCH3CO2 + 8 Mg(OH)2 = 14 H2O + 8 MgCH3 + 10 CO2
HU + KMnO4 = U + KU + MnU2 + H2O =>
8 HU + KMnO4 = 5 U + KU + MnU2 + 4 H2O
(CH3)2N2H2 + H2O = (CH3)2N2H3 + OH =>
(CH3)2N2H2 + H2O = (CH3)2N2H3 + OH
MgBr(aq) + Cl = MgCl(aq) + Br(g) =>
MgBr(aq) + Cl = MgCl(aq) + Br(g)
Pb(ClO3)2 + Kl = Kl(ClO3)2 + Pb =>
Pb(ClO3)2 + Kl = Kl(ClO3)2 + Pb
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
Fe2(SO4)3 + NaOH = Fe(OH)3 + Na2SO4 =>
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO4
NH4CH3CO2 + K2CO3 = (NH4)2CO3 + KCH3CO2 =>
2 NH4CH3CO2 + K2CO3 = (NH4)2CO3 + 2 KCH3CO2
(NH4)2MoO4 + HCl + SnCl2 = MoO(OH) + NH4Cl + H2O + SnCl4 =>
2(NH4)2MoO4 + 10 HCl + 3 SnCl2 = 2 MoO(OH) + 4 NH4Cl + 4 H2O + 3 SnCl4
FeO + K3[Fe(CN)6] = Fe[Fe(CN)6] + K3O =>
FeO + K3[Fe(CN)6] = Fe[Fe(CN)6] + K3O
KNO3 + CaS = KS + Ca(NO3) =>
KNO3 + CaS = KS + Ca(NO3)
ZnS + H3PO4 = ZnPO4 + H3S =>
ZnS + H3PO4 = ZnPO4 + H3S
Cl2 + NaOH = NaCl + HCl + O2 =>
2 Cl2 + 2 NaOH = 2 NaCl + 2 HCl + O2
N2H4 + NO4 = N2 + H2O =>
4 N2H4 + 2 NO4 = 5 N2 + 8 H2O
CrSO4 + O2 + H2SO4 = Cr2(SO4)3 + H2O2 =>
2 CrSO4 + O2 + H2SO4 = Cr2(SO4)3 + H2O2
Na3P = P + Na =>
Na3P = P + 3 Na
RbOH + H3PO4 = Rb3PO4 + H2O(l) =>
3 RbOH + H3PO4 = Rb3PO4 + 3 H2O(l)
Cd + Au(NO3)3 = Cd(NO3)3 + Au =>
Cd + Au(NO3)3 = Cd(NO3)3 + Au
Mg{2+} + e = Mg =>
Mg{2+} + 2e = Mg
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