Équations équilibrées la veille |
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s)
Mn + H2O = MnO2 + H =>
Mn + 2 H2O = MnO2 + 4 H
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s) =>
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s)
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s) =>
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s)
KMnO4 + K2SO3 + KOH = K2MnO4 + K2SO4 + H2O =>
2 KMnO4 + K2SO3 + 2 KOH = 2 K2MnO4 + K2SO4 + H2O
Cu + HNO3 = Cu(NO3)2 + H2O + N2O =>
4 Cu + 10 HNO3 = 4 Cu(NO3)2 + 5 H2O + N2O
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s) =>
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s)
AsH3 + AgNO3 + H2O = H3AsO4 + Ag + HNO3 =>
AsH3 + 8 AgNO3 + 4 H2O = H3AsO4 + 8 Ag + 8 HNO3
Br2O5 + NaOH = NaBrO3 + H2O =>
Br2O5 + 2 NaOH = 2 NaBrO3 + H2O
Mn + H2O = Mn(OH)2 + H2 =>
Mn + 2 H2O = Mn(OH)2 + H2
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s) =>
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s)
HClO4 + Li2CO3 = H2CO3 + LiClO4 =>
2 HClO4 + Li2CO3 = H2CO3 + 2 LiClO4
CH3CH2OH + CH3CH2CH2COOH = CH3CH2CH2COOCH2CH3 + H2O =>
CH3CH2OH + CH3CH2CH2COOH = CH3CH2CH2COOCH2CH3 + H2O
HBr + Fe = FeBr3 + H2 =>
6 HBr + 2 Fe = 2 FeBr3 + 3 H2
AsH3 + AgNO3 + H2O = H3AsO3 + Ag + HNO3 =>
AsH3 + 6 AgNO3 + 3 H2O = H3AsO3 + 6 Ag + 6 HNO3
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
HClO3 + NaOH = NaClO3 + H2O =>
HClO3 + NaOH = NaClO3 + H2O
BaS + CuCl2 = BaCl2 + CuS =>
BaS + CuCl2 = BaCl2 + CuS
HClO4 + Li2CO3 = H2CO3 + LiClO4 =>
2 HClO4 + Li2CO3 = H2CO3 + 2 LiClO4
Al(OH)3 + HBr = Br(OH) + H3Al =>
Al(OH)3 + 3 HBr = 3 Br(OH) + H3Al
Cl2O + H2O = Cl2O3 + H2 =>
Cl2O + 2 H2O = Cl2O3 + 2 H2
Mn + H2O = MnO + H =>
Mn + H2O = MnO + 2 H
SiH + H2O = SiO + H =>
SiH + H2O = SiO + 3 H
Cs + S = Cs2S =>
2 Cs + S = Cs2S
Na2Cr2O7 + H2SO4 = Na2SO4 + Cr(SO4)3 + H2O =>
Na2Cr2O7 + 7 H2SO4 = Na2SO4 + 2 Cr(SO4)3 + 7 H2O
FeCl3 + NaHCO3 + H3PO4 = Fe4O21P6 + NaCl + CO2 + H2O =>
4 FeCl3 + 12 NaHCO3 + 6 H3PO4 = Fe4O21P6 + 12 NaCl + 12 CO2 + 15 H2O
Cu + HNO3 = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
CH3CH2OH + CH3CH2CH2COOH = CH3CH2COOCH2CH3 + H2O =>
CH3CH2OH + 2 CH3CH2CH2COOH = 2 CH3CH2COOCH2CH3 + H2O
ZnS + O = SO2 + ZnO =>
ZnS + 3 O = SO2 + ZnO
Br2O5 + NaOH = Br(OH)5 + Na2O =>
Br2O5 + 10 NaOH = 2 Br(OH)5 + 5 Na2O
K2Cr2O7 + S + HCl = SO2 + CrCl3 + KOH + H2O =>
2 K2Cr2O7 + 3 S + 12 HCl = 3 SO2 + 4 CrCl3 + 4 KOH + 4 H2O
CuCl + Cl = CuCl2 =>
CuCl + Cl = CuCl2
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
Sb + H2S = SbS + H =>
Sb + H2S = SbS + 2 H
Cr + Mn(NO3)2 = Cr(NO3)2 + Mn =>
Cr + Mn(NO3)2 = Cr(NO3)2 + Mn
NH4Cl + Cl = N + HCl =>
NH4Cl + 3 Cl = N + 4 HCl
H3 + (PO4) + KOH = K3(PO4) + H2O =>
H3 + (PO4) + 3 KOH = K3(PO4) + 3 H2O
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s) =>
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s)
Cd(NH3)2Cl2 = Cd2NCl + NH4Cl =>
2 Cd(NH3)2Cl2 = Cd2NCl + 3 NH4Cl
H21 + O2 = H2O =>
4 H21 + 21 O2 = 42 H2O
CrCl2 + NaOH = Cr(OH)2 + NaCl =>
CrCl2 + 2 NaOH = Cr(OH)2 + 2 NaCl
Br2O5 + NaOH = Br2OH + NaO5 =>
Br2O5 + NaOH = Br2OH + NaO5
Cr + Mn(NO3)2 = Cr(NO3)2 + Mn =>
Cr + Mn(NO3)2 = Cr(NO3)2 + Mn
CdCl2 + K2CrO4 = CdCrO4 + K2Cl2 =>
CdCl2 + K2CrO4 = CdCrO4 + K2Cl2
HF + Ba[OH]2 = H2O + BaF2 =>
2 HF + Ba[OH]2 = 2 H2O + BaF2
Li + C = Li2C12 =>
2 Li + 12 C = Li2C12
La + S = LaS =>
La + S = LaS
CH3CH2OH + CH3CH2CH2COOH = CH3CH2COOCH2CH3 + H2O =>
CH3CH2OH + 2 CH3CH2CH2COOH = 2 CH3CH2COOCH2CH3 + H2O
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