| Équations équilibrées la veille |
2 KNO3 + Zn(ClO4)2 = 2 KClO4 + Zn(NO3)2
CO2 + C2 = CO =>
2 CO2 + C2 = 4 CO
Sr2(CO3)3 + KNO3 = K2CO3 + Sr(NO3)3 =>
Sr2(CO3)3 + 6 KNO3 = 3 K2CO3 + 2 Sr(NO3)3
CrCl3 + CH4N2O = CH4 + Cl2 + Cr2O3 + N2 =>
2 CrCl3 + 3 CH4N2O = 3 CH4 + 3 Cl2 + Cr2O3 + 3 N2
CoCl2*6(H2O) + NH4Cl + H2O2 + NH3 = [Co(NH3)5Cl]Cl2 + H2O =>
2 CoCl2*6(H2O) + 2 NH4Cl + H2O2 + 8 NH3 = 2[Co(NH3)5Cl]Cl2 + 14 H2O
Ba + H2SO4 = BaO4SH2 =>
Ba + H2SO4 = BaO4SH2
CaCl2 + NaHSO4 = CaSO4 + NaCl + HCl =>
CaCl2 + NaHSO4 = CaSO4 + NaCl + HCl
Al2(SO4)3 + Cu(OH)2 = Al(OH)3 + CuSO4 =>
Al2(SO4)3 + 3 Cu(OH)2 = 2 Al(OH)3 + 3 CuSO4
SiI4 + Al = AlI + Si =>
SiI4 + 4 Al = 4 AlI + Si
Ba(NO2)2 + H2O = BaO + HNO2 =>
Ba(NO2)2 + H2O = BaO + 2 HNO2
CH3COOH + HClO4 = CH3COOH2 + ClO4 =>
CH3COOH + HClO4 = CH3COOH2 + ClO4
NaClO2 + AuOH + H2O = Au(OH)3 + NaOH + Cl2 =>
2 NaClO2 + 3 AuOH + 4 H2O = 3 Au(OH)3 + 2 NaOH + Cl2
S2 + H2O = HS + OH =>
S2 + 2 H2O = 2 HS + 2 OH
NaBr + H2SO4 = Na2SO4 + HBr =>
2 NaBr + H2SO4 = Na2SO4 + 2 HBr
S2 + H2O = HS + OH =>
S2 + 2 H2O = 2 HS + 2 OH
Ca + SO4 = CaSO4 =>
Ca + SO4 = CaSO4
CH4 + O2 = H2O + CO =>
2 CH4 + 3 O2 = 4 H2O + 2 CO
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
ZnO + SnO2 = ZnSnO3 =>
ZnO + SnO2 = ZnSnO3
SO2 + NO3 = SO4 + NO =>
SO2 + NO3 = SO4 + NO
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
NaClO + HCl + KBr = Br2 + NaCl + H2O + KCl =>
NaClO + 2 HCl + 2 KBr = Br2 + NaCl + H2O + 2 KCl
MnO + H = Mn + HO =>
MnO + H = Mn + HO
CrCl3 + H2O2 + NaOH = Na2CrO4 + NaCl + H2O =>
2 CrCl3 + 3 H2O2 + 10 NaOH = 2 Na2CrO4 + 6 NaCl + 8 H2O
Sr(NO3)2 + Mg = SrO + NO2 + MgO =>
Sr(NO3)2 + Mg = SrO + 2 NO2 + MgO
Pb2 + O2 = PbO =>
Pb2 + O2 = 2 PbO
Ba(NO3)2 + NaOH = Ba(OH)2 + Na(NO3) =>
Ba(NO3)2 + 2 NaOH = Ba(OH)2 + 2 Na(NO3)
Al + CuSO4 + HCl = Al2(SO4)3 + CuCl + H2 =>
4 Al + 6 CuSO4 + 6 HCl = 2 Al2(SO4)3 + 6 CuCl + 3 H2
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
KAl(SO4)2(aq) + NH4OH(aq) = Al(OH)3 + (NH4)2SO4(aq) + KOH(aq) =>
KAl(SO4)2(aq) + 4 NH4OH(aq) = Al(OH)3 + 2(NH4)2SO4(aq) + KOH(aq)
VO2 + SO3 = V + SO4 =>
VO2 + 2 SO3 = V + 2 SO4
Cr2O3 + NO3{-} + OH{-} = CrO4{-2} + NO2{-} + H2O =>
Cr2O3 + 3 NO3{-} + 4 OH{-} = 2 CrO4{-2} + 3 NO2{-} + 2 H2O
AgCl + NH3 = Ag(NH3)2 + Cl2 =>
2 AgCl + 4 NH3 = 2 Ag(NH3)2 + Cl2
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
HOOCCH2CH2COOH + H2NCH2CH2NH2 = H2O + C6N2O2H10 =>
HOOCCH2CH2COOH + H2NCH2CH2NH2 = 2 H2O + C6N2O2H10
K3PO4 + AgNO3 = K3PO4AgNO3 =>
K3PO4 + AgNO3 = K3PO4AgNO3
Au + NaClO = AuCl3 + NaO =>
Au + 3 NaClO = AuCl3 + 3 NaO
RbO2 + KI + H2SO4 = Rb2SO4 + K2SO4 + I2 + H2O =>
2 RbO2 + 6 KI + 4 H2SO4 = Rb2SO4 + 3 K2SO4 + 3 I2 + 4 H2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
AgNO3 + KF = KNO3 + AgF =>
AgNO3 + KF = KNO3 + AgF
NH2OH + H3PO4 = (NH4)PO4 + H2O =>
NH2OH + H3PO4 = (NH4)PO4 + H2O
K2Cr2O7 + KI + HCl = CrCl3 + KCl + I2 + H2O =>
K2Cr2O7 + 6 KI + 14 HCl = 2 CrCl3 + 8 KCl + 3 I2 + 7 H2O
CH2O2 + C4H10O = C5H10O2 + H2O =>
CH2O2 + C4H10O = C5H10O2 + H2O
Rb2CO3 + HBr = CO2 + RbBr + H2O =>
Rb2CO3 + 2 HBr = CO2 + 2 RbBr + H2O
NH4MgAsO4 = NH4Mg{+} + AsO4{-} =>
NH4MgAsO4 = NH4Mg{+} + AsO4{-}
H3COOH + Na2CO3 = CH3COONa + H2O + CO2 =>
4 H3COOH + Na2CO3 = 2 CH3COONa + 5 H2O + CO2
Cu2O(s) + Fe{3+} + H = Cu{2+} + Fe{2+} + H2O(l) =>
Cu2O(s) + 4 Fe{3+} + 2 H = 2 Cu{2+} + 4 Fe{2+} + H2O(l)
H2S(g) + O2(g) = SO2(g) + H2O(g) =>
2 H2S(g) + 3 O2(g) = 2 SO2(g) + 2 H2O(g)
Mn(OH)4 + H2SO4 = (MnOH)2(SO4)3 + H2O =>
2 Mn(OH)4 + 3 H2SO4 = (MnOH)2(SO4)3 + 6 H2O
K2Cr2O7(aq) + H2SO4(aq) = KHSO4(aq) + Cr2(SO4)3(aq) + H2O(l) + O2(g) =>
2 K2Cr2O7(aq) + 10 H2SO4(aq) = 4 KHSO4(aq) + 2 Cr2(SO4)3(aq) + 8 H2O(l) + 3 O2(g)
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