| Équations équilibrées la veille |
Na2SiO3 + 2 KNO3 = K2SiO3 + 2 NaNO3
Se + Pb{4+} + H2O = Pb{2+} + SeO3{2-} + H{+} =>
Se + 2 Pb{4+} + 3 H2O = 2 Pb{2+} + SeO3{2-} + 6 H{+}
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
CuCl2 + KI = CuI + KCl + I2 =>
2 CuCl2 + 4 KI = 2 CuI + 4 KCl + I2
TeO2 + O2 = TeO3 =>
2 TeO2 + O2 = 2 TeO3
CuFeO2 + H2SO4 = CuSO4 + FeSO4 + H2O =>
CuFeO2 + 2 H2SO4 = CuSO4 + FeSO4 + 2 H2O
CoSO4 + K2S = CoS + K2SO4 =>
CoSO4 + K2S = CoS + K2SO4
Co(OH)2 + NaClO + H2O = Co(OH)3 + NaCl =>
2 Co(OH)2 + NaClO + H2O = 2 Co(OH)3 + NaCl
hydrobromicacid + calciumhydroxide = calciumbromide + water =>
2 HBr + Ca(OH)2 = CaBr2 + 2 H2O
FeCl3 + Fe(OH)3 = Fe(OH)2Cl =>
FeCl3 + 2 Fe(OH)3 = 3 Fe(OH)2Cl
NaI + H2SO4 = H2S + I2 + NaSO4 + H2O =>
4 NaI + 5 H2SO4 = H2S + 2 I2 + 4 NaSO4 + 4 H2O
Li2S + BaF2 = LiF + BaS =>
Li2S + BaF2 = 2 LiF + BaS
KBr + AlPO4 = K3PO4 + AlBr3 =>
3 KBr + AlPO4 = K3PO4 + AlBr3
ReO4{-} + Pb2{+} = Re + PbO2 =>
ReO4{-} + Pb2{+} = Re + 2 PbO2
Ba{2+} + PO4{3-} = Ba3(PO4)2 =>
3 Ba{2+} + 2 PO4{3-} = Ba3(PO4)2
K + CrO = K2O + Cr =>
2 K + CrO = K2O + Cr
C2H4O2 + Na2CO3 = CH3COONa + CO2 + H2O =>
2 C2H4O2 + Na2CO3 = 2 CH3COONa + CO2 + H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Hg + HNO3 + HCl = H(HgCl4) + NO + H2O =>
Hg + HNO3 + 4 HCl = H(HgCl4) + NO + 2 H2O
Ru + KClO3 + K2CO3 = K2RuO4 + KCl + CO2 =>
Ru + KClO3 + K2CO3 = K2RuO4 + KCl + CO2
CH3COOH + BaO = Ba(CH3COO)2 + H2O =>
2 CH3COOH + BaO = Ba(CH3COO)2 + H2O
MgCO3 + NaPO4 = MgPO4NaCO3 =>
MgCO3 + NaPO4 = MgPO4NaCO3
KI(aq) + HCl(aq) = KCl + HI =>
KI(aq) + HCl(aq) = KCl + HI
Na[Sb(OH)4] + H2S + HCl = Sb(OH)2 + NaCl + H2SO4 + H2O =>
8 Na[Sb(OH)4] + H2S + 8 HCl = 8 Sb(OH)2 + 8 NaCl + H2SO4 + 12 H2O
SO4{-2} + I2 = I{-} + SO4 =>
SO4{-2} + I2 = 2 I{-} + SO4
FeSO4 + K3[Fe(CN)6] = Fe4[Fe(CN)6]3 + K2SO4 + KCN =>
3 FeSO4 + 4 K3[Fe(CN)6] = Fe4[Fe(CN)6]3 + 3 K2SO4 + 6 KCN
Rb3PO4 + H2O = Rb2O + H3PO4 =>
2 Rb3PO4 + 3 H2O = 3 Rb2O + 2 H3PO4
SO2 + H2O + Y = HY + H2SO4 =>
SO2 + 2 H2O + 2 Y = 2 HY + H2SO4
BN + IF = BF + NI =>
BN + IF = BF + NI
Fe + P4 = Fe3P2 =>
6 Fe + P4 = 2 Fe3P2
C6H12O + HNO3 = C6H10O + H2O + HNO2 =>
C6H12O + HNO3 = C6H10O + H2O + HNO2
NaOH + CuS = NaCu + H2 + SO =>
2 NaOH + 2 CuS = 2 NaCu + H2 + 2 SO
Nb2Ta2C3F2 = TaC + Nb6C5 + TaF5 + Nb =>
25 Nb2Ta2C3F2 = 40 TaC + 7 Nb6C5 + 10 TaF5 + 8 Nb
BaCO3 = BaOCO2 =>
BaCO3 = BaOCO2
C2H2O4 + KMnO4 + HCl = CO2 + MnCl2 + KCl + H2O =>
5 C2H2O4 + 2 KMnO4 + 6 HCl = 10 CO2 + 2 MnCl2 + 2 KCl + 8 H2O
C3H7CHO + Ag(NH3)2OH = C3H7COONH4 + NH3 + H2O + Ag =>
C3H7CHO + 2 Ag(NH3)2OH = C3H7COONH4 + 3 NH3 + H2O + 2 Ag
NH4OH + H3PO4 = NHPO4 + H + OH =>
NH4OH + H3PO4 = NHPO4 + 6 H + OH
MnO + Si = Mn + SiO2 =>
2 MnO + Si = 2 Mn + SiO2
B + Fl = BFl =>
B + Fl = BFl
F{-} + H3O{+} = H3OF =>
F{-} + H3O{+} = H3OF
La(NO3)3(H2O)6 + B4Na2O7(H2O)10 = LaB3O6 + H2O + NaNO3 + H3BO3 =>
2 La(NO3)3(H2O)6 + 3 B4Na2O7(H2O)10 = 2 LaB3O6 + 33 H2O + 6 NaNO3 + 6 H3BO3
KHCO3 + FeCl3 = Fe2(CO3)3 + KCl + HCl =>
3 KHCO3 + 2 FeCl3 = Fe2(CO3)3 + 3 KCl + 3 HCl
AlPO3 + O2 = AlPO4 =>
2 AlPO3 + O2 = 2 AlPO4
Cr2O3 + HN = Cr + HNO3 =>
Cr2O3 + HN = 2 Cr + HNO3
MnO4{-} + C2O4{-2} + H{+} = CO2 + H2O + MnO2 =>
2 MnO4{-} + 3 C2O4{-2} + 8 H{+} = 6 CO2 + 4 H2O + 2 MnO2
SiO2 + H2SO4 = SiH4 + S + O2 =>
SiO2 + 2 H2SO4 = SiH4 + 2 S + 5 O2
CH3NH3NO2 + HCOOH = CH3NO2 + NH4COOH =>
CH3NH3NO2 + HCOOH = CH3NO2 + NH4COOH
CuF + Si = SiF4 + Cu =>
4 CuF + Si = SiF4 + 4 Cu
Au + KNO3 = AuNO3 + K =>
Au + KNO3 = AuNO3 + K
KH2PO4 + I2Mg = KH2Mg + I2PO4 =>
KH2PO4 + I2Mg = KH2Mg + I2PO4
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