| Équations équilibrées la veille |
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ca(NO3)2(H2O)4 = Ca(NO3)2 + H2O =>
Ca(NO3)2(H2O)4 = Ca(NO3)2 + 4 H2O
S8(s) + HNO3(l) = H2SO4(s) + H2O(g) + NO2 =>
S8(s) + 48 HNO3(l) = 8 H2SO4(s) + 16 H2O(g) + 48 NO2
Fe(aq) + CuSO4(aq) = Cu(s) + FeSO4(aq) =>
Fe(aq) + CuSO4(aq) = Cu(s) + FeSO4(aq)
H3PO4 + KOH = K3PO4 + H2O =>
H3PO4 + 3 KOH = K3PO4 + 3 H2O
CuSO4 + NaHCO3 = CO2 + Na2SO4 + CuCO3 + H2O =>
CuSO4 + 2 NaHCO3 = CO2 + Na2SO4 + CuCO3 + H2O
B(NO3)2 + Na2SO4 = BSO4 + NaNO3 =>
B(NO3)2 + Na2SO4 = BSO4 + 2 NaNO3
Li2O + H2SO3 = Li2SO3 + H2O =>
Li2O + H2SO3 = Li2SO3 + H2O
NO + HNO3 = N2O4 + H2O =>
2 NO + 4 HNO3 = 3 N2O4 + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
C3H8(O2) + O2 = CO2 + H2O =>
C3H8(O2) + 4 O2 = 3 CO2 + 4 H2O
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
ZnCl2 + KOH = Zn(OH)2 + KCl =>
ZnCl2 + 2 KOH = Zn(OH)2 + 2 KCl
(d)HNO3(aq) + H2S(g) = S(g) + NO(g) + H2O(l) =>
2(d)HNO3(aq) + 3 H2S(g) = 3 S(g) + 2 NO(g) + 4 H2O(l)
BeO + NaOH = Na2BeO2 + H2O =>
BeO + 2 NaOH = Na2BeO2 + H2O
Fe(OH)3 + Na2SO4 = Fe2(SO4)3 + NaOH =>
2 Fe(OH)3 + 3 Na2SO4 = Fe2(SO4)3 + 6 NaOH
Pb3O4 + HBr = PbBr2 + Br2 + H2O =>
Pb3O4 + 8 HBr = 3 PbBr2 + Br2 + 4 H2O
KMnO4 + ZnCl2 = KCl + Zn(MnO4)2 =>
2 KMnO4 + ZnCl2 = 2 KCl + Zn(MnO4)2
K2SO3 + Br2 + H2O = H2SO4 + KBr =>
K2SO3 + Br2 + H2O = H2SO4 + 2 KBr
Sn + HCl = Sn(Cl2)2 + H2 =>
Sn + 4 HCl = Sn(Cl2)2 + 2 H2
NO2 + H2 = HNO3 + NO =>
4 NO2 + H2 = 2 HNO3 + 2 NO
Cs2O + HBr = CsBr + H2O =>
Cs2O + 2 HBr = 2 CsBr + H2O
VCl3 + Na + Co = V(Co)6 + NaCl =>
VCl3 + 3 Na + 6 Co = V(Co)6 + 3 NaCl
HCN + Ca(OH)2 = Ca(CN)2 + H2O =>
2 HCN + Ca(OH)2 = Ca(CN)2 + 2 H2O
CdBr + Na2S = Cd2S + NaBr =>
2 CdBr + Na2S = Cd2S + 2 NaBr
Na4PO4 = Na + PO4 =>
Na4PO4 = 4 Na + PO4
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
CH3CH2CHO(l) + O2(g) = CO2(g) + H2O =>
CH3CH2CHO(l) + 4 O2(g) = 3 CO2(g) + 3 H2O
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
CH3Br + Hg2F2 = CH3F + Hg2FBr =>
CH3Br + Hg2F2 = CH3F + Hg2FBr
PbS + PbO = Pb + SO2 =>
PbS + 2 PbO = 3 Pb + SO2
NaNO2 + O2 = NaNO3* =>
2 NaNO2 + O2 = 2 NaNO3*
Na2Cr2O7(aq) + NaBr(aq) + H2SO4(aq) = Cr2(SO4)3(aq) + Br2(l) + H2O + Na2SO4 =>
Na2Cr2O7(aq) + 6 NaBr(aq) + 7 H2SO4(aq) = Cr2(SO4)3(aq) + 3 Br2(l) + 7 H2O + 4 Na2SO4
Mg(s) + HBr(aq) = MgBr2(aq) + H2(g) =>
Mg(s) + 2 HBr(aq) = MgBr2(aq) + H2(g)
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Na2SO4 + H2O = Na2O + H2SO4 =>
Na2SO4 + H2O = Na2O + H2SO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
AgNO3 + K2SO4 = Ag2SO4 + KNO3 =>
2 AgNO3 + K2SO4 = Ag2SO4 + 2 KNO3
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
Na2SO3 + KMnO4 + NaHSO4 = Na2SO4 + MnSO4 + K2SO4 + H2O =>
5 Na2SO3 + 2 KMnO4 + 6 NaHSO4 = 8 Na2SO4 + 2 MnSO4 + K2SO4 + 3 H2O
Zn(HSO4)2 = ZnSO4 + H2SO4 =>
Zn(HSO4)2 = ZnSO4 + H2SO4
C{2}H{4} = C{2}H{6} =>
C{2}H{4} = C{2}H{6}
AgNO3 + MgBr2 = AgBr + Mg(NO3)2 =>
2 AgNO3 + MgBr2 = 2 AgBr + Mg(NO3)2
BaSO4 + K3PO4 = Ba3(PO4)2 + K2SO4 =>
3 BaSO4 + 2 K3PO4 = Ba3(PO4)2 + 3 K2SO4
K2CrO4 + AlPO4 = K3PO4 + Al2(CrO4)3 =>
3 K2CrO4 + 2 AlPO4 = 2 K3PO4 + Al2(CrO4)3
RbBr + AgCl = AgBr + RbCl =>
RbBr + AgCl = AgBr + RbCl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Br2O7 + H2O = HBrO4 =>
Br2O7 + H2O = 2 HBrO4
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