| Équations équilibrées la veille |
2 K(OH) + H2(C2O4) = 2 H2O + K2(C2O4)
C2H6 + Cl2 = C2H4Cl2 + HCl =>
C2H6 + 2 Cl2 = C2H4Cl2 + 2 HCl
NiO + CO + O2 = NiCO3 =>
2 NiO + 2 CO + O2 = 2 NiCO3
ZnSO4 + NH4SCN = ZnSCN + SO4 + NH4 =>
ZnSO4 + NH4SCN = ZnSCN + SO4 + NH4
NH3(aq) + H2SO4(aq) = (NH4)2SO4(aq) =>
2 NH3(aq) + H2SO4(aq) = (NH4)2SO4(aq)
B4H10 + O2 = B2O3 + H2O =>
2 B4H10 + 11 O2 = 4 B2O3 + 10 H2O
Br2 + H2S = HBr + S2 =>
2 Br2 + 2 H2S = 4 HBr + S2
O + MgCl2 = ClO2 + Mg =>
4 O + MgCl2 = 2 ClO2 + Mg
As2 + H2S = As2S + H =>
As2 + H2S = As2S + 2 H
Zn(m) + HCl = ZnCl + H =>
Zn(m) + HCl = ZnCl + H
KCl(ac)AgNO3(ac) = AgCl(ac)KNO3 =>
KCl(ac)AgNO3(ac) = AgCl(ac)KNO3
NaClO + SnSO4 + KOH = Sn + K2SO4 + NaClO2 + H2O =>
NaClO + SnSO4 + 2 KOH = Sn + K2SO4 + NaClO2 + H2O
Sb + H2O = Sb2O3 + H2 =>
2 Sb + 3 H2O = Sb2O3 + 3 H2
NO3 + BaCl2 = Ba(NO3)2 + Cl2 =>
2 NO3 + BaCl2 = Ba(NO3)2 + Cl2
CuSO4 + Na2S = Na2(SO4) + CuS =>
CuSO4 + Na2S = Na2(SO4) + CuS
CH3COOC3H7 + NaOH = C3H7OH + CH3COONa =>
CH3COOC3H7 + NaOH = C3H7OH + CH3COONa
Na + ClOH = NaOH + Cl =>
Na + ClOH = NaOH + Cl
NO3{-} + H = NO2 + H2O + e =>
NO3{-} + 2 H = NO2 + H2O + e
AgCl + K2S = KCl + Ag2S =>
2 AgCl + K2S = 2 KCl + Ag2S
CH3COONa + HCl = CH3COOH(aq) + NaCl(aq) =>
CH3COONa + HCl = CH3COOH(aq) + NaCl(aq)
NaI + H2SO4 = Na2SO4 + I2 + S + H2O =>
6 NaI + 4 H2SO4 = 3 Na2SO4 + 3 I2 + S + 4 H2O
KO2(s) = K(s) + O2(g) =>
KO2(s) = K(s) + O2(g)
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
P2O3 + K2Cr2O7 + H2SO4 + H2O = Cr2(SO4)3 + K2SO4 + H3PO4 =>
3 P2O3 + 2 K2Cr2O7 + 8 H2SO4 + H2O = 2 Cr2(SO4)3 + 2 K2SO4 + 6 H3PO4
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Ni(s) + MgSO4(aq) = NiSO4(aq) + Mg(s) =>
Ni(s) + MgSO4(aq) = NiSO4(aq) + Mg(s)
HC2H3O2(aq) + NaHCO3(aq) = NaC2H3O2(aq) + CO2(g) + H2O =>
HC2H3O2(aq) + NaHCO3(aq) = NaC2H3O2(aq) + CO2(g) + H2O
NaNO2 + Zn + NaOH + H2O = NH3 + Na2[Zn(OH)4] =>
NaNO2 + 3 Zn + 5 NaOH + 5 H2O = NH3 + 3 Na2[Zn(OH)4]
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ca + HCl = CaCl2 + H =>
Ca + 2 HCl = CaCl2 + 2 H
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
C60 + O2 = CO2 =>
C60 + 60 O2 = 60 CO2
Cl2 + ZnO = ClO + Zn =>
Cl2 + 2 ZnO = 2 ClO + 2 Zn
Ca3N2 + H2O = Ca(OH)2 + NH3(g) =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3(g)
Sr(HCO3)2(s) = Sr + HCO3 =>
Sr(HCO3)2(s) = Sr + 2 HCO3
P + Ca(OH)2 + H2O = Ca3(PO4)2 + PH3 =>
16 P + 9 Ca(OH)2 + 6 H2O = 3 Ca3(PO4)2 + 10 PH3
CuSO4(H2O)5 = CuSO4(s) + H2O(g) =>
CuSO4(H2O)5 = CuSO4(s) + 5 H2O(g)
NaHO + H2SO4 = Na2SO4 + H2O =>
2 NaHO + H2SO4 = Na2SO4 + 2 H2O
CH3CH2CH2OH + KMnO4 + H2SO4 = CH3CH2CHO + K2SO4 + MnSO4 + H2O =>
5 CH3CH2CH2OH + 2 KMnO4 + 3 H2SO4 = 5 CH3CH2CHO + K2SO4 + 2 MnSO4 + 8 H2O
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NO2{-} + NH3 = N2 + OH{-} + H2O =>
NO2{-} + NH3 = N2 + OH{-} + H2O
SH + FeCl = FeS + HCl =>
SH + FeCl = FeS + HCl
HC2H3O2(aq) + CaCO3(s) = CO2(g) + H2O(l) + Ca(C2H3O2)(aq) =>
9 HC2H3O2(aq) + 8 CaCO3(s) = 10 CO2(g) + 6 H2O(l) + 8 Ca(C2H3O2)(aq)
Ca3P2 + HOH = PH3 + Ca(OH)2 =>
Ca3P2 + 6 HOH = 2 PH3 + 3 Ca(OH)2
NO2 = N2O4 =>
2 NO2 = N2O4
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