| Équations équilibrées la veille |
ZrBr4 + 4 Ag = 4 AgBr + Zr
Mg(OH)2(s) + HCl(l) = MgCl2(s) + H2O(l) =>
Mg(OH)2(s) + 2 HCl(l) = MgCl2(s) + 2 H2O(l)
S2O = S + O2 =>
2 S2O = 4 S + O2
K(OH) + MgCl2 = KCl + Mg(OH)2 =>
2 K(OH) + MgCl2 = 2 KCl + Mg(OH)2
Pb(NO3)2(aq) + Na2SO4(aq) = PbSO4(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + Na2SO4(aq) = PbSO4(s) + 2 NaNO3(aq)
Cr2O7 + H2C2O4 + H{+} = Cr{+3} + CO2 + H2O =>
Cr2O7 + 4 H2C2O4 + 6 H{+} = 2 Cr{+3} + 8 CO2 + 7 H2O
Na1 + O2 = Na2O1 =>
4 Na1 + O2 = 2 Na2O1
FeO3 + Zn = ZnO + Fe =>
FeO3 + 3 Zn = 3 ZnO + Fe
Ac + O2 = Ac2O3 =>
4 Ac + 3 O2 = 2 Ac2O3
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
K3PO4 + HCl = KCl + H3PO4 =>
K3PO4 + 3 HCl = 3 KCl + H3PO4
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
N2 + I = NI =>
N2 + 2 I = 2 NI
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
C20H42 = C8H18 + C3H6 =>
C20H42 = C8H18 + 4 C3H6
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
MnO + O2 = MnO2 =>
2 MnO + O2 = 2 MnO2
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
CoBr2 + Na2S = CoS + NaBr =>
CoBr2 + Na2S = CoS + 2 NaBr
HCO3 + HC3H5O3 = HC3H4O3 + H2CO3 =>
HCO3 + HC3H5O3 = HC3H4O3 + H2CO3
PbO + KCN = Pb + KCNO =>
PbO + KCN = Pb + KCNO
Pb2O3 + H2 = H2O + Pb2 =>
Pb2O3 + 3 H2 = 3 H2O + Pb2
H4N + SO4 + NaOH = H3N + Na2SO4 + H2O =>
2 H4N + SO4 + 2 NaOH = 2 H3N + Na2SO4 + 2 H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Mg + FeCl3 = Fe + MgCl2 =>
3 Mg + 2 FeCl3 = 2 Fe + 3 MgCl2
Cl2 + K2O = K + ClO =>
Cl2 + 2 K2O = 4 K + 2 ClO
H2O + NH4SCN = H2OSCN + NH4 =>
H2O + NH4SCN = H2OSCN + NH4
K2S2O8 + Na2S2O3 = K2SO4 + Na2SO4 + S8 =>
8 K2S2O8 + 32 Na2S2O3 = 8 K2SO4 + 32 Na2SO4 + 5 S8
AgBr = Ag + Br2 =>
2 AgBr = 2 Ag + Br2
Al(NO3)3 + Na2CO3 + H2O = NaNO3 + Al(OH)3 + H2CO3 =>
2 Al(NO3)3 + 3 Na2CO3 + 6 H2O = 6 NaNO3 + 2 Al(OH)3 + 3 H2CO3
Mg2 + Zn(No3)2 = Mg2No3 + Zn =>
2 Mg2 + Zn(No3)2 = 2 Mg2No3 + Zn
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
HNO3 + H1S = NO + S + H3O =>
HNO3 + 5 H1S = NO + 5 S + 2 H3O
PbC3H2O2 + NHSO4 = PbSO4 + NHC3H2O2 =>
PbC3H2O2 + NHSO4 = PbSO4 + NHC3H2O2
K + MnO4 + C6H8 = KH2 + MnHCO2 + O2 =>
K + 6 MnO4 + C6H8 = KH2 + 6 MnHCO2 + 6 O2
SO2 + Na2SiO3 + H2O = Na2S + Na2SO4 + H2SiO3 =>
4 SO2 + 4 Na2SiO3 + 4 H2O = Na2S + 3 Na2SO4 + 4 H2SiO3
YbF3 + Li2O + LiPN2 = Yb40P96N184O24 + LiF + Li3N =>
40 YbF3 + 24 Li2O + 96 LiPN2 = Yb40P96N184O24 + 120 LiF + 8 Li3N
(NH4)2CrO4 + Al(OH)3 = Al2(CrO4)3 + NH3 + H2O =>
3(NH4)2CrO4 + 2 Al(OH)3 = Al2(CrO4)3 + 6 NH3 + 6 H2O
HClO3 + Au(OH) = H2O + Au(ClO3) =>
HClO3 + Au(OH) = H2O + Au(ClO3)
C62H22O20COOH + O2 = CO2 + H2O =>
4 C62H22O20COOH + 231 O2 = 252 CO2 + 46 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
(NH4)2SO4 + Ca(OH)2 = CaSO4 + NH3 + H2O =>
(NH4)2SO4 + Ca(OH)2 = CaSO4 + 2 NH3 + 2 H2O
HgCl + O2 = Hg(ClO3) =>
2 HgCl + 3 O2 = 2 Hg(ClO3)
CH3CF3 + O2 = CO + H2O + F2 =>
4 CH3CF3 + 7 O2 = 8 CO + 6 H2O + 6 F2
HClO3 + NaNO2 = NaClO3 + HNO2 =>
HClO3 + NaNO2 = NaClO3 + HNO2
P2O5 + NH4OH + H2O = NH4H2PO4 =>
P2O5 + 2 NH4OH + H2O = 2 NH4H2PO4
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