| Équations équilibrées la veille |
Cu(OH)2 + 2 HCH3COO = Cu(CH3COO)2 + 2 HOH
H2C3H2O4 + KOH = H2O + KC2H3 + O2 =>
2 H2C3H2O4 + 3 KOH = H2O + 3 KC2H3 + 5 O2
NaOH + NH4Cl + AgCl = Ag(NH3)2Cl + NaCl + H2O =>
2 NaOH + 2 NH4Cl + AgCl = Ag(NH3)2Cl + 2 NaCl + 2 H2O
NaOH + HClO = NaCl + OH =>
NaOH + HClO = NaCl + 2 OH
C3H6 + KMnO4 + H2O = KOH + MnO2 + C3H5(OH)3 =>
3 C3H6 + 4 KMnO4 + 5 H2O = 4 KOH + 4 MnO2 + 3 C3H5(OH)3
S8 + H2Se = H2S + SSe2 =>
3 S8 + 16 H2Se = 16 H2S + 8 SSe2
ZnI2 = Zn2 + I =>
2 ZnI2 = Zn2 + 4 I
H2 + AgNO3 = Ag(s) + HNO3 =>
H2 + 2 AgNO3 = 2 Ag(s) + 2 HNO3
C3H8 + Cl2 = C2Cl2 + HCl =>
2 C3H8 + 11 Cl2 = 3 C2Cl2 + 16 HCl
O2 + Fe = Fe3O =>
O2 + 6 Fe = 2 Fe3O
NiCO3 + HCl = CO2 + H2O + NiCl2 =>
NiCO3 + 2 HCl = CO2 + H2O + NiCl2
N5 + H = NH5 =>
N5 + 25 H = 5 NH5
FeS + HNO3 = N2O + H2O + Fe(NO3)3 + Fe2(SO4)3 =>
24 FeS + 78 HNO3 = 27 N2O + 39 H2O + 8 Fe(NO3)3 + 8 Fe2(SO4)3
(MgOH)2CO3 + CH3COOH = (CH3COO)2Mg + CO2 + H2O =>
(MgOH)2CO3 + 4 CH3COOH = 2(CH3COO)2Mg + CO2 + 3 H2O
HCl + Cd2Fe(CN)6 = HCN + FeCl3 + Cd2Cl3 =>
6 HCl + Cd2Fe(CN)6 = 6 HCN + FeCl3 + Cd2Cl3
Al2SO2 + H2O = Al(OH)3 + H2S =>
Al2SO2 + 4 H2O = 2 Al(OH)3 + H2S
H2Se + Ba(OH)2 = H2O + BaSe =>
H2Se + Ba(OH)2 = 2 H2O + BaSe
CH3Cl + Na2 = C2H6 + NaCl =>
2 CH3Cl + Na2 = C2H6 + 2 NaCl
As2S5 + HNO3 = N3AsO4 + H2SO4 + NO2 + H2O =>
As2S5 + 22 HNO3 = 2 N3AsO4 + 5 H2SO4 + 16 NO2 + 6 H2O
NH4OH + Ca3(Po4)2 = (NH4)3Po4 + Ca(OH)2 =>
6 NH4OH + Ca3(Po4)2 = 2(NH4)3Po4 + 3 Ca(OH)2
Na2SO3(s) + HCl(l) = NaCl(s) + H2O(l) + SO2(g) =>
Na2SO3(s) + 2 HCl(l) = 2 NaCl(s) + H2O(l) + SO2(g)
Ti(OH)2 + HNO3 = Ti(NO3)2 + H2O =>
Ti(OH)2 + 2 HNO3 = Ti(NO3)2 + 2 H2O
CH3Cl + Na2 = C2H6 + NaCl =>
2 CH3Cl + Na2 = C2H6 + 2 NaCl
Ce + Ag + Al = CeAgAl3 =>
Ce + Ag + 3 Al = CeAgAl3
HIO + H2O = H3O + IO =>
HIO + H2O = H3O + IO
Ag2CO3 + HCl = AgCl + H2CO3 =>
Ag2CO3 + 2 HCl = 2 AgCl + H2CO3
Cd + Au{+3} = Cd{2+} + Au =>
3 Cd + 2 Au{+3} = 3 Cd{2+} + 2 Au
CH3COOPb + NH4(SO4)2 = PbSO4 + CH3COO + NH4 =>
2 CH3COOPb + NH4(SO4)2 = 2 PbSO4 + 2 CH3COO + NH4
Na3PO4 + PbSO4 = Na3SO4 + PbPO4 =>
Na3PO4 + PbSO4 = Na3SO4 + PbPO4
Lithium + Sodiumsulfide = Sodium + Lithiumsulfide =>
2 Li + Na2S = 2 Na + Li2S
NaNo3 + CuSO4 = Na2SO4 + Cu(No3)2 =>
2 NaNo3 + CuSO4 = Na2SO4 + Cu(No3)2
HNO3 + Zn = H2O + NH4 + Zn(NO3)2 =>
20 HNO3 + 9 Zn = 6 H2O + 2 NH4 + 9 Zn(NO3)2
BaCO3 + HCl = BaCl2 + H2CO3 =>
BaCO3 + 2 HCl = BaCl2 + H2CO3
HBr + (CaOH)2 = CaBr + H2O =>
2 HBr + (CaOH)2 = 2 CaBr + 2 H2O
NO2 + NaOH(cold) = NaNO2 + H2O + O2 =>
4 NO2 + 4 NaOH(cold) = 4 NaNO2 + 2 H2O + O2
C5H8 + H2O = C5H12O2 =>
C5H8 + 2 H2O = C5H12O2
KMnO4 + KOH + KI = K2MnO4 + H2O + KIO3 =>
6 KMnO4 + 6 KOH + KI = 6 K2MnO4 + 3 H2O + KIO3
P + B = PB3 =>
P + 3 B = PB3
AlBr3 + Na3PO4 = NaBr + Al3(PO4)3 =>
3 AlBr3 + 3 Na3PO4 = 9 NaBr + Al3(PO4)3
K2CO3 + AlP = Al2(CO3)3 + K3P =>
3 K2CO3 + 2 AlP = Al2(CO3)3 + 2 K3P
K2Cr2O7 + K2SO3 + HNO3 = Cr(NO3)3 + K2SO4 + H2O + KNO3 =>
K2Cr2O7 + 3 K2SO3 + 8 HNO3 = 2 Cr(NO3)3 + 3 K2SO4 + 4 H2O + 2 KNO3
KOH + H2O = KO + H2OH =>
KOH + H2O = KO + H2OH
(b)Fe2O3 + HCl = FeCl3 + H2O =>
(b)Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
K2Zn(OH)4 + Zn(NO3)2 = Zn(OH)2 + KNO3 =>
K2Zn(OH)4 + Zn(NO3)2 = 2 Zn(OH)2 + 2 KNO3
Ca + CaSO4 = CaO + SO2 =>
Ca + CaSO4 = 2 CaO + SO2
C8H8 + K2Cr2O7 + H2SO4 = C8H8O + Cr2(SO4)3 + K2SO4 + H2O =>
3 C8H8 + K2Cr2O7 + 4 H2SO4 = 3 C8H8O + Cr2(SO4)3 + K2SO4 + 4 H2O
Cl2 + C4H10 = C4H8Cl2 + H2 =>
Cl2 + C4H10 = C4H8Cl2 + H2
CH3CH2OH + KMnO4 + KOH = CH3COOK + H2O + K2MnO4 =>
CH3CH2OH + 4 KMnO4 + 5 KOH = CH3COOK + 4 H2O + 4 K2MnO4
KNO3 + Al + NaOH + H2O = K3(Al(OH)6) + Na3(Al(OH)6) + NH3 =>
3 KNO3 + 8 Al + 21 NaOH + 18 H2O = K3(Al(OH)6) + 7 Na3(Al(OH)6) + 3 NH3
H2ONaOH + H2CO3 = H2O + Na2CO3 =>
2 H2ONaOH + H2CO3 = 4 H2O + Na2CO3
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Équations équilibrées sur12/15/24
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