Équations équilibrées la veille |
2 Rb + 2 HOH = 2 Rb(OH) + H2
H3C6H5O7 + NaHCO3 = NaH3C6H5O7 + H2O + CO3 =>
29 H3C6H5O7 + 30 NaHCO3 = 30 NaH3C6H5O7 + 11 H2O + 24 CO3
F2 + Cr2S3 = CrF3 + S =>
3 F2 + Cr2S3 = 2 CrF3 + 3 S
CuS(s) + O2(g) = CuO(s) + SO2 =>
2 CuS(s) + 3 O2(g) = 2 CuO(s) + 2 SO2
Fe + Br2 + Na2CO3*10H2O = Fe(OH)3 + NaBr + CO2 + H2 =>
22 Fe + 6 Br2 + 6 Na2CO3*10H2O = 22 Fe(OH)3 + 12 NaBr + 6 CO2 + 27 H2
Mg(NO3)2 + Al(NO3)3 + C2H6N4O2 = MgAl2O4 + N2 + H2O + CO2 =>
Mg(NO3)2 + 2 Al(NO3)3 + 4 C2H6N4O2 = MgAl2O4 + 12 N2 + 12 H2O + 8 CO2
K3(PO4) + ZnSO4 = K2SO4 + Zn3(PO4)2 =>
2 K3(PO4) + 3 ZnSO4 = 3 K2SO4 + Zn3(PO4)2
(NH4)2 + SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2 + SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
KOH + CuCl = KCl + CuOH =>
KOH + CuCl = KCl + CuOH
HC2H3O + H2O = H3O + C2H3O =>
HC2H3O + H2O = H3O + C2H3O
Al(s) + CuSO4(aq) = Al2(SO4)3(aq) + Cu(s) =>
2 Al(s) + 3 CuSO4(aq) = Al2(SO4)3(aq) + 3 Cu(s)
Cu(s) + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu(s) + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Pb(CH3COO)2 + K2 + CrO4 = PbCrO4 + KCH3COO =>
Pb(CH3COO)2 + K2 + CrO4 = PbCrO4 + 2 KCH3COO
MnI2 + Cl2 + KOH = KMnO4 + KI + KCl + H2O =>
2 MnI2 + 5 Cl2 + 16 KOH = 2 KMnO4 + 4 KI + 10 KCl + 8 H2O
Ni(NO3)2(aq) + Cr(s) = Cr(NO3)3(aq) + Ni(s) =>
3 Ni(NO3)2(aq) + 2 Cr(s) = 2 Cr(NO3)3(aq) + 3 Ni(s)
HC2H3O + H2O = H3O + C2H3O =>
HC2H3O + H2O = H3O + C2H3O
C2H5OH + KBr = C2H5Br + KOH =>
C2H5OH + KBr = C2H5Br + KOH
Na2MnO4 + HNO3 + Na2SO3 = Mn(NO3)2 + Na2SO4 + H2O + NaNO3 =>
Na2MnO4 + 4 HNO3 + 2 Na2SO3 = Mn(NO3)2 + 2 Na2SO4 + 2 H2O + 2 NaNO3
ClCN + NH3 = NH2CN + NH4Cl =>
ClCN + 2 NH3 = NH2CN + NH4Cl
Ga3 + O2 = Ga2O3 =>
4 Ga3 + 9 O2 = 6 Ga2O3
Rb + HOH = RbOH + H2 =>
2 Rb + 2 HOH = 2 RbOH + H2
FeCl2 + SO2 + HCl = FeCl3 + S8 + H2O =>
32 FeCl2 + 8 SO2 + 32 HCl = 32 FeCl3 + S8 + 16 H2O
MnO + CO = Mn2O + CO2 =>
2 MnO + CO = Mn2O + CO2
CuS(s) + O2(g) = CuO(s)SO2(g) =>
2 CuS(s) + 3 O2(g) = 2 CuO(s)SO2(g)
H3PO4(l) + Ca(OH)2(l) = Ca3(PO4)2(l) + H2O(l) =>
2 H3PO4(l) + 3 Ca(OH)2(l) = Ca3(PO4)2(l) + 6 H2O(l)
Al2S3 + NaOH = Al(OH)3 + Na + S =>
Al2S3 + 6 NaOH = 2 Al(OH)3 + 6 Na + 3 S
K2[Zn(OH)4] = Zn(OH)2K2(OH)2 =>
K2[Zn(OH)4] = Zn(OH)2K2(OH)2
HNO3(aq) = H(g) + NO3 =>
HNO3(aq) = H(g) + NO3
K2Cr2O7 + C6H1206 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
205 K2Cr2O7 + C6H1206 + 820 H2SO4 = 205 Cr2(SO4)3 + 205 K2SO4 + 6 CO2 + 1423 H2O
C + O2 = CO1100 =>
C + 550 O2 = CO1100
(CH15O7)(s) + O2(g) = CO2(g) + H2O(g) =>
4(CH15O7)(s) + 5 O2(g) = 4 CO2(g) + 30 H2O(g)
CrSO4 + Na2CO3 + KNO3 = Na2CrO3 + Na2SO4 + KNO2 + CO2 =>
CrSO4 + 2 Na2CO3 + KNO3 = Na2CrO3 + Na2SO4 + KNO2 + 2 CO2
C2H5OH(l) + O2(g) = CO2(g) + H2O9(g) =>
C2H5OH(l) + 15 O2(g) = 2 CO2(g) + 3 H2O9(g)
Hg2(NO2)2 + FeF3 = Hg2F2 + Fe(NO2)3 =>
3 Hg2(NO2)2 + 2 FeF3 = 3 Hg2F2 + 2 Fe(NO2)3
Ca(NO3)2(aq) + CuSO4(aq) = CaSO4 + Cu(NO3)2 =>
Ca(NO3)2(aq) + CuSO4(aq) = CaSO4 + Cu(NO3)2
C3H8 = H3CCH2CH3 =>
C3H8 = H3CCH2CH3
CuS(s) + O2(g) = Cu2O(s) + SO2(g) =>
4 CuS(s) + 5 O2(g) = 2 Cu2O(s) + 4 SO2(g)
Ni(NO3)2 + KSCN = Ni(SCN) + K(NO3)2 =>
Ni(NO3)2 + KSCN = Ni(SCN) + K(NO3)2
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
CaMg(CO3)2 + CO2 + H2O = Ca + Mg + HCO3 =>
CaMg(CO3)2 + 2 CO2 + 2 H2O = Ca + Mg + 4 HCO3
(CH3)2NH + HCl = CH2 + NH4Cl =>
(CH3)2NH + HCl = 2 CH2 + NH4Cl
WO3 + H2 = WH2 + O =>
WO3 + H2 = WH2 + 3 O
K3[Fe(Cn)6] + NH4Fe(SO4)2 = K3[Fe(SO4)2] + NH4[Fe(Cn)6] =>
K3[Fe(Cn)6] + NH4Fe(SO4)2 = K3[Fe(SO4)2] + NH4[Fe(Cn)6]
B + MgO = B2O3 + Mg =>
2 B + 3 MgO = B2O3 + 3 Mg
CuS(s) + O2(g) = SO3(g) + CuO(s) =>
CuS(s) + 2 O2(g) = SO3(g) + CuO(s)
C8H10O + NaOH = C8H9O + H2O + Na =>
C8H10O + NaOH = C8H9O + H2O + Na
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CrOH3 + OH = CrO4 + H2O =>
CrOH3 + 9 OH = CrO4 + 6 H2O
K2Cr2O7 + HCl + H2SO4 = Cr2(SO4)3 + Cl2 + K2SO4 + H2O =>
K2Cr2O7 + 6 HCl + 4 H2SO4 = Cr2(SO4)3 + 3 Cl2 + K2SO4 + 7 H2O
LiCl + NaNO3 = LiNO3 + NaCl =>
LiCl + NaNO3 = LiNO3 + NaCl
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