Équations équilibrées la veille |
2 Na3PO4 + 3 H2O = 2 H3PO4 + 3 Na2O
AgNo3(aq) + KBr(aq) = AgBr(s) + KNo3(aq) =>
AgNo3(aq) + KBr(aq) = AgBr(s) + KNo3(aq)
CrO4{2-} + Cl{-} + H{+} = Cr{3+} + HClO2 + H2O =>
4 CrO4{2-} + 3 Cl{-} + 23 H{+} = 4 Cr{3+} + 3 HClO2 + 10 H2O
Na + OH + HCl = NaCl + H2O =>
Na + OH + HCl = NaCl + H2O
C6H5NO2 + Fe + HCl = C6H5NH4Cl + FeCl3 + H2O =>
3 C6H5NO2 + 7 Fe + 24 HCl = 3 C6H5NH4Cl + 7 FeCl3 + 6 H2O
NaO2 = Na2O + O2 =>
4 NaO2 = 2 Na2O + 3 O2
Co + H2SO4 = Co2(SO4)3 + H2 =>
2 Co + 3 H2SO4 = Co2(SO4)3 + 3 H2
KOH + H2SO4 = H4O2 + K2SO4 =>
2 KOH + H2SO4 = H4O2 + K2SO4
K2SO4(aq) + CaI2(aq) = CaSO4(s) + KI(aq) =>
K2SO4(aq) + CaI2(aq) = CaSO4(s) + 2 KI(aq)
Bi(NO3)3(aq) + CaI2(aq) = BiI3(s) + Ca(NO3)2(aq) =>
2 Bi(NO3)3(aq) + 3 CaI2(aq) = 2 BiI3(s) + 3 Ca(NO3)2(aq)
Na + Te = NaTe =>
Na + Te = NaTe
Ag2CO3 + H2SO4 = Ag2SO4 + CO2 + H2O =>
Ag2CO3 + H2SO4 = Ag2SO4 + CO2 + H2O
KO + H2O = KOH + OH =>
KO + H2O = KOH + OH
NaHCO3 + HCl(ac) = NaCl + H2O + CO2 =>
NaHCO3 + HCl(ac) = NaCl + H2O + CO2
Ag(OH)3 + HBr = H2O + Ag(Br)3 =>
Ag(OH)3 + 3 HBr = 3 H2O + Ag(Br)3
HS + NO3 = S + NO2 + OH =>
HS + NO3 = S + NO2 + OH
MgSO4(aq) + NaOH = Mg(OH)2(s) + Na2SO4(aq) =>
MgSO4(aq) + 2 NaOH = Mg(OH)2(s) + Na2SO4(aq)
HF(ac) + KOH(ac) = KF(ac) + H2O =>
HF(ac) + KOH(ac) = KF(ac) + H2O
NaHSO3(s) + O2(g) = NaHSO4(s) =>
2 NaHSO3(s) + O2(g) = 2 NaHSO4(s)
Cu(NO3)2 + Na2(C2O4) = Cu(C2O4) + Na(NO3) =>
Cu(NO3)2 + Na2(C2O4) = Cu(C2O4) + 2 Na(NO3)
H2Cr2O7 + HNO3 + CH3OH = Cr(NO3)3 + CHO2H + H2O =>
2 H2Cr2O7 + 12 HNO3 + 3 CH3OH = 4 Cr(NO3)3 + 3 CHO2H + 11 H2O
FeOH(NO3)2 + H2SO4 = H2O + Fe2(SO4)3 + Fe(NO3)3 =>
6 FeOH(NO3)2 + 3 H2SO4 = 6 H2O + Fe2(SO4)3 + 4 Fe(NO3)3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Mn + NiCl2 = MnCl2 + Ni =>
Mn + NiCl2 = MnCl2 + Ni
KMnO4 + Na2CO3 + C6H14 = KMnO4Na2CO3C6H14 =>
KMnO4 + Na2CO3 + C6H14 = KMnO4Na2CO3C6H14
HC4H5O6 + Na2CO3 = CO2 + H2O + NaC4H5O6 =>
2 HC4H5O6 + Na2CO3 = CO2 + H2O + 2 NaC4H5O6
KAl(OH)4 + H2SO4(aq) = Al(OH)3(s) + K2SO4(aq) + H2O(l) =>
2 KAl(OH)4 + H2SO4(aq) = 2 Al(OH)3(s) + K2SO4(aq) + 2 H2O(l)
C2H9N + O2 = CO2 + H2O + N2 =>
4 C2H9N + 17 O2 = 8 CO2 + 18 H2O + 2 N2
HCOONa + O2 = CO2 + Na2CO3 + H2O =>
2 HCOONa + O2 = CO2 + Na2CO3 + H2O
Cu2OH2CO3 + HBr = CuBr + CO2 + H2O =>
Cu2OH2CO3 + 2 HBr = 2 CuBr + CO2 + 2 H2O
NH4I + Ca(OH)2 = CaI2 + NH4OH =>
2 NH4I + Ca(OH)2 = CaI2 + 2 NH4OH
Sr(NO3)2 + Na(OH) = Sr(OH) + Na(NO3)2 =>
Sr(NO3)2 + Na(OH) = Sr(OH) + Na(NO3)2
BO + Mg = B + MgO =>
BO + Mg = B + MgO
Mg(CO3) + Na(OH) = Mg(OH)2 + Na2(CO3) =>
Mg(CO3) + 2 Na(OH) = Mg(OH)2 + Na2(CO3)
NaClO3 + NaI + HCl = I2 + NaCl + H2O =>
NaClO3 + 6 NaI + 6 HCl = 3 I2 + 7 NaCl + 3 H2O
Fe3O4 = Fe + O2 =>
Fe3O4 = 3 Fe + 2 O2
KNO2 + KMnO4 + KOH = KNO3 + K2MnO4 + H2O =>
KNO2 + 2 KMnO4 + 2 KOH = KNO3 + 2 K2MnO4 + H2O
Br2(l) + P4(s) = P2Br5(s) =>
5 Br2(l) + P4(s) = 2 P2Br5(s)
H2O2 + H2SO4 + KI = K2SO4 + H2O + I2 =>
H2O2 + H2SO4 + 2 KI = K2SO4 + 2 H2O + I2
CH3CH2CH2COH + KMnO4 + KOH = CH3CH2CH2COOK + K2MnO4 + H2O =>
CH3CH2CH2COH + 2 KMnO4 + 3 KOH = CH3CH2CH2COOK + 2 K2MnO4 + 2 H2O
Na2SiF6 + Na = Si + NaF =>
Na2SiF6 + 4 Na = Si + 6 NaF
KCrO2 + HNO3 = Cr(NO3)3 + KNO3 + H2O =>
KCrO2 + 4 HNO3 = Cr(NO3)3 + KNO3 + 2 H2O
NH3 + AlBr3 = NH3Al + Br =>
NH3 + AlBr3 = NH3Al + 3 Br
Ca3(PO4)2(s) + H2SO4(aq) = H3PO4(aq) + CaSO4(aq) =>
Ca3(PO4)2(s) + 3 H2SO4(aq) = 2 H3PO4(aq) + 3 CaSO4(aq)
CH3CO2C2H5 + NaOH = C2H5OH + CH3CO2Na =>
CH3CO2C2H5 + NaOH = C2H5OH + CH3CO2Na
K2CO3(aq) + Al(NO3)3 = KNO3 + Al2(CO3)3 =>
3 K2CO3(aq) + 2 Al(NO3)3 = 6 KNO3 + Al2(CO3)3
Fe2O3 + KCN + HCl = K3(Fe(CN)6) + KCl + H2O =>
Fe2O3 + 12 KCN + 6 HCl = 2 K3(Fe(CN)6) + 6 KCl + 3 H2O
Zn(NO3)2(s) = Zn(NO2)2(s) + O2(g) =>
Zn(NO3)2(s) = Zn(NO2)2(s) + O2(g)
COSO4 + NaOH = CO(OH)2 + Na2SO4 =>
COSO4 + 2 NaOH = CO(OH)2 + Na2SO4
K2Cr2O7 + H2C2O4(H2O)2 = K[Cr(C2O4)2(H2O)2] + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4(H2O)2 = 2 K[Cr(C2O4)2(H2O)2] + 6 CO2 + 17 H2O
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