| Équations équilibrées la veille |
H2C2O4 + H2SO4 = SO2 + 2 H2O + 2 CO2
HF + Fe = FeF3 + H2 =>
6 HF + 2 Fe = 2 FeF3 + 3 H2
NH4Cl + NaClO + NaOH = N2 + NaCl + H2O =>
2 NH4Cl + 3 NaClO + 2 NaOH = N2 + 5 NaCl + 5 H2O
RuOH + HC2H3O2 = RuC2H3O2 + H2O =>
RuOH + HC2H3O2 = RuC2H3O2 + H2O
KCI + KMnO4 + H2SO4 = KHSO4 + MnSO4 + H2O + CI =>
5 KCI + KMnO4 + 7 H2SO4 = 6 KHSO4 + MnSO4 + 4 H2O + 5 CI
HCl + HNO3 = H2O + NO + HClO =>
3 HCl + 2 HNO3 = H2O + 2 NO + 3 HClO
Cu(NH3){+2} + {2-} = Cu + NH3 =>
Cu(NH3){+2} + {2-} = Cu + NH3
Na + Hg = Na(Hg) =>
Na + Hg = Na(Hg)
H2SO4 + Cu = SO2 + CuSO4 + H2O =>
2 H2SO4 + Cu = SO2 + CuSO4 + 2 H2O
Cu(OH) + H2SO4 = Cu2SO4 + H2O =>
2 Cu(OH) + H2SO4 = Cu2SO4 + 2 H2O
Na + HCl = NaHCl =>
Na + HCl = NaHCl
CH4 + O2 = CH2 + H2O =>
2 CH4 + O2 = 2 CH2 + 2 H2O
CdCl2 + NH4OH = Cd(OH)2 + NH4Cl =>
CdCl2 + 2 NH4OH = Cd(OH)2 + 2 NH4Cl
KI + H2SO4 + KNO3 = I2 + NO + K2SO4 + H2O =>
6 KI + 4 H2SO4 + 2 KNO3 = 3 I2 + 2 NO + 4 K2SO4 + 4 H2O
PtCH3 + KMnO4 + H2SO4 = PtCOOH + K2SO4 + MnSO4 + H2O =>
5 PtCH3 + 6 KMnO4 + 9 H2SO4 = 5 PtCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
AsCl3 + H2O = HCl + As(OH)3 =>
AsCl3 + 3 H2O = 3 HCl + As(OH)3
Al(NO3)3 + MgI2 = Mg(NO3)2 + AlI3 =>
2 Al(NO3)3 + 3 MgI2 = 3 Mg(NO3)2 + 2 AlI3
HNO3 + K2S = KNO3 + H + S =>
2 HNO3 + K2S = 2 KNO3 + 2 H + S
H2O + MnSO4 + K2S2O8 = H2SO4 + K2SO4 + MnO2 =>
2 H2O + MnSO4 + K2S2O8 = 2 H2SO4 + K2SO4 + MnO2
CrO3 + Na2SO3 + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O =>
2 CrO3 + 3 Na2SO3 + 3 H2SO4 = 3 Na2SO4 + Cr2(SO4)3 + 3 H2O
Mn7 + H2O = Mn(OH)7 + H2 =>
2 Mn7 + 98 H2O = 14 Mn(OH)7 + 49 H2
K2Cr2O7 + SnCl2 + HCl = SnCl4 + KCl + CrCl4 + H2O =>
K2Cr2O7 + 2 SnCl2 + 14 HCl = 2 SnCl4 + 2 KCl + 2 CrCl4 + 7 H2O
Ca(NO3)2 + (NH4)2CO3 = Ca(NH4)2 + CO3(NO3)2 =>
Ca(NO3)2 + (NH4)2CO3 = Ca(NH4)2 + CO3(NO3)2
C6H14O2N2 + O2 = CO2 + H2O + N2 =>
2 C6H14O2N2 + 17 O2 = 12 CO2 + 14 H2O + 2 N2
K2Cr2O7 + H2S + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 Cr2(SO4)3 + 16 H2O + 4 K2SO4
CrO3 + NH3 = Cr2O3 + N2 + H2O =>
2 CrO3 + 2 NH3 = Cr2O3 + N2 + 3 H2O
Na2B4O7 + CoCl2 = Co(BO2)2 + NaCl + B2O3 =>
Na2B4O7 + CoCl2 = Co(BO2)2 + 2 NaCl + B2O3
Ca3(PO4)2 + H2SO4 = CaSO4 + H3PO4 =>
Ca3(PO4)2 + 3 H2SO4 = 3 CaSO4 + 2 H3PO4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
ZnBr2 + (NH4)3PO4 = Zn3(PO4)2 + NH4Br =>
3 ZnBr2 + 2(NH4)3PO4 = Zn3(PO4)2 + 6 NH4Br
ClO3{-} + NO + OH{-} = NO2{-} + Cl{-} + H2O =>
ClO3{-} + 6 NO + 6 OH{-} = 6 NO2{-} + Cl{-} + 3 H2O
C6H10O5 + O2 = CO2 + H2O =>
C6H10O5 + 6 O2 = 6 CO2 + 5 H2O
BaCl2 + Br2 = BaBr2 + Cl2 =>
BaCl2 + Br2 = BaBr2 + Cl2
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
NO + H2O = NH3 + O2 =>
4 NO + 6 H2O = 4 NH3 + 5 O2
C4H10 + O2(g) = CO2 + H2O =>
2 C4H10 + 13 O2(g) = 8 CO2 + 10 H2O
H2SeO3 + HBr = Se + Br2 + H2O =>
H2SeO3 + 4 HBr = Se + 2 Br2 + 3 H2O
Ag + H2S = Ag2S + H2 =>
2 Ag + H2S = Ag2S + H2
Ti2(CO3)3 + H2SO4 = Ti2(SO4)3 + H2O + CO2 =>
Ti2(CO3)3 + 3 H2SO4 = Ti2(SO4)3 + 3 H2O + 3 CO2
Sb2O5 + KOH = K3SbO4 + H2O =>
Sb2O5 + 6 KOH = 2 K3SbO4 + 3 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
CS + BrBr2 = CBr4 + S2Br2 =>
6 CS + 10 BrBr2 = 6 CBr4 + 3 S2Br2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
AgF + CuCl = AgCl + CuF =>
AgF + CuCl = AgCl + CuF
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
CO + Br2 = COBr2 =>
CO + Br2 = COBr2
Ca(OH)2 + CO2 = Ca(HCO3)2 =>
Ca(OH)2 + 2 CO2 = Ca(HCO3)2
P2 = P =>
P2 = 2 P
C + H2O = C12H22O11 =>
12 C + 11 H2O = C12H22O11
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
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