Équations équilibrées la veille |
2 NaNO2 + 4 Na(Hg) + 2 H2O = Na2N2O2 + 4 NaOH + 4 Hg
CO + HO = CHO2 =>
CO + HO = CHO2
H2Cr2O7 + CH3COONa = Na2Cr2O7 + CH3COOH =>
H2Cr2O7 + 2 CH3COONa = Na2Cr2O7 + 2 CH3COOH
ZnCO3 + H2 = ZnOH + CO2 =>
2 ZnCO3 + H2 = 2 ZnOH + 2 CO2
Fe + H2C2O4 + H2O2 + K2C2O4 = K3[Fe(C2O4)3] + H2O =>
2 Fe + 3 H2C2O4 + 3 H2O2 + 3 K2C2O4 = 2 K3[Fe(C2O4)3] + 6 H2O
BaS2 = Ba + S2 =>
BaS2 = Ba + S2
K2Cr2O7 + H2SO4 = K2SO4 + H2Cr2O7 =>
K2Cr2O7 + H2SO4 = K2SO4 + H2Cr2O7
NaAl(OH)4 + Na2SiO3 + H2O = Na12((AlO2)12(SiO2)12)*27H2O + NaOH =>
12 NaAl(OH)4 + 12 Na2SiO3 + 15 H2O = Na12((AlO2)12(SiO2)12)*27H2O + 24 NaOH
NaOH + KF = NaF + KOH =>
NaOH + KF = NaF + KOH
Cu(OH)2 + HCl = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
TaCl5 + AlI3 = TaI5 + AlCl3 =>
3 TaCl5 + 5 AlI3 = 3 TaI5 + 5 AlCl3
H2SO4 + Mg(OH)2 = H2O + MgSO4 =>
H2SO4 + Mg(OH)2 = 2 H2O + MgSO4
K[Sn(OH)3] + H2O2 = K2[Sn(OH)6] + Sn(OH)2 =>
2 K[Sn(OH)3] + H2O2 = K2[Sn(OH)6] + Sn(OH)2
KAu(CN)2 + C4H3AuNa2OS7 + MgFe2(SO4)4 + W2Cl10N2Se2 + AgRuAuTe8 + H2CO3 = K4Fe(CN)6 + MgS2O3 + Au2O3 + Ru(C10H8N2)3Cl2H12O6 + HCl + N2Se4 + WO3 + Na2O + TeO3 + AgO + SO2 =>
16680 KAu(CN)2 + 1988 C4H3AuNa2OS7 + 2085 MgFe2(SO4)4 + 1680 W2Cl10N2Se2 + 1670 AgRuAuTe8 + 33808 H2CO3 = 4170 K4Fe(CN)6 + 2085 MgS2O3 + 10169 Au2O3 + 1670 Ru(C10H8N2)3Cl2H12O6 + 13460 HCl + 840 N2Se4 + 3360 WO3 + 1988 Na2O + 13360 TeO3 + 1670 AgO + 18086 SO2
FeCl3 + H2O = FeO(OH) + HCl =>
FeCl3 + 2 H2O = FeO(OH) + 3 HCl
P + HNO3 = PH3 + NO3 =>
P + 3 HNO3 = PH3 + 3 NO3
KNO3 + H2SO4 = H2NO3 + SO4K =>
KNO3 + H2SO4 = H2NO3 + SO4K
Mg + NaOH = Mg(OH)2 + NaMg =>
3 Mg + 2 NaOH = Mg(OH)2 + 2 NaMg
Na2CO3*3H2O2 + C6H6 = C6H5COOH + NaOH + H2O =>
5 Na2CO3*3H2O2 + 12 C6H6 = 11 C6H5COOH + 10 NaOH + 13 H2O
Fe2O3 + Na2CO3 = NaFeO2 + CO2 =>
Fe2O3 + Na2CO3 = 2 NaFeO2 + CO2
Al + NaOH = AlNaOH =>
Al + NaOH = AlNaOH
HNO3 + HCl = H2O + NCl + O2 =>
HNO3 + HCl = H2O + NCl + O2
MnCl2 + Ca(OH)2 = Mn(OH)2 + CaCl2 =>
MnCl2 + Ca(OH)2 = Mn(OH)2 + CaCl2
C7HO2 + O2 = CO2 + H2O =>
4 C7HO2 + 25 O2 = 28 CO2 + 2 H2O
HCl + KHCO3 = KCl + HHCO3 =>
HCl + KHCO3 = KCl + HHCO3
KBr + NaNO2 + CH3COOH = Br2 + NO + CH3COOK + CH3COONa + H2O =>
2 KBr + 2 NaNO2 + 4 CH3COOH = Br2 + 2 NO + 2 CH3COOK + 2 CH3COONa + 2 H2O
Na2CO3 + LiOH = NaOH + Li2CO3 =>
Na2CO3 + 2 LiOH = 2 NaOH + Li2CO3
Cu + KCN + H2O = K[Cu(CN)6] + KOH + H2 =>
2 Cu + 12 KCN + 10 H2O = 2 K[Cu(CN)6] + 10 KOH + 5 H2
Cs + CrBr3 = CsBr + Cr =>
3 Cs + CrBr3 = 3 CsBr + Cr
Ga + F2 = Ga2F2 =>
2 Ga + F2 = Ga2F2
C9H12 + KMnO4 = C9H9O4K + MnO2 + KOH + H2O =>
3 C9H12 + 10 KMnO4 = 3 C9H9O4K + 10 MnO2 + 7 KOH + H2O
Zn + AgNo3 = Ag + Zn(No3)2 =>
Zn + 2 AgNo3 = 2 Ag + Zn(No3)2
CaCO3(t) = CaO + CO2 =>
CaCO3(t) = CaO + CO2
H1 + Cl1 = HCl =>
H1 + Cl1 = HCl
K2SO3 + Pb(NO3)2 = K(NO3) + PbSO3 =>
K2SO3 + Pb(NO3)2 = 2 K(NO3) + PbSO3
ZnCl2 + K4(Fe(CN)6) = K2Zn3(Fe(CN)6)2 + KCl =>
3 ZnCl2 + 2 K4(Fe(CN)6) = K2Zn3(Fe(CN)6)2 + 6 KCl
K3Fe(OH)6 = KOH + Fe(OH)3 =>
K3Fe(OH)6 = 3 KOH + Fe(OH)3
Cr(No3)2 + KOH = Cr(OH)2 + KNo3 =>
Cr(No3)2 + 2 KOH = Cr(OH)2 + 2 KNo3
VO + CaS = CaO + VS =>
VO + CaS = CaO + VS
N2O5 + KOH = KNO3 + H2O =>
N2O5 + 2 KOH = 2 KNO3 + H2O
Na3Po4 = Na + Po4 =>
Na3Po4 = 3 Na + Po4
AlCl3 + Na4SiO4 = Al4(SiO4)3 + NaCl =>
4 AlCl3 + 3 Na4SiO4 = Al4(SiO4)3 + 12 NaCl
SrO + Si = Sr + SiO2 =>
2 SrO + Si = 2 Sr + SiO2
Cu2 + NH3 = Cu(NH3)42 =>
Cu2 + 84 NH3 = 2 Cu(NH3)42
C5H8O2 = C4H8 + CO2 =>
C5H8O2 = C4H8 + CO2
KMnO4 + NaOH + NaNO2 = KOH + NO2 + Na2MnO4 =>
KMnO4 + NaOH + NaNO2 = KOH + NO2 + Na2MnO4
Zn(OH)2 + KOH = K2ZnO2 + H2O =>
Zn(OH)2 + 2 KOH = K2ZnO2 + 2 H2O
NH3 = H + N3 =>
3 NH3 = 9 H + N3
ZnCl2 + KOH = Zn(OH)2 + KCl =>
ZnCl2 + 2 KOH = Zn(OH)2 + 2 KCl
HClO4 + NaF = HF + NaClO4 =>
HClO4 + NaF = HF + NaClO4
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