Équations équilibrées la veille |
Cu + CaCO3 = CuCO3 + Ca
KMnO4 + H2O + H2S = KOH + MnO2 + H2SO4 =>
8 KMnO4 + 4 H2O + 3 H2S = 8 KOH + 8 MnO2 + 3 H2SO4
H3BO3 + H2O = B(OH)4 + H3O =>
H3BO3 + 2 H2O = B(OH)4 + H3O
K2SO3 + S = K2S2O2 + O2 =>
2 K2SO3 + 2 S = 2 K2S2O2 + O2
[Cr(H2O)6]{2+} + NaCN = [Cr(NaCN)]{2+} + H2O =>
[Cr(H2O)6]{2+} + NaCN = [Cr(NaCN)]{2+} + 6 H2O
Na2 + CO3 + CuSO4 = Na2SO4 + CO3Cu =>
Na2 + CO3 + CuSO4 = Na2SO4 + CO3Cu
MnO + MnO2 = Mn3O4 =>
2 MnO + MnO2 = Mn3O4
C2H4(g) + SCl2(g) = C4H8Cl2S =>
2 C2H4(g) + SCl2(g) = C4H8Cl2S
C3H7NO2S + C3H7O2N = C6H12O3N2S + H2O =>
C3H7NO2S + C3H7O2N = C6H12O3N2S + H2O
[Cr(H2O)6]{2+} + NaCN = [Cr(NaCN)]{2+} + H2O =>
[Cr(H2O)6]{2+} + NaCN = [Cr(NaCN)]{2+} + 6 H2O
Pb + CO = PbO + C =>
Pb + CO = PbO + C
Zn + Pb + Ca = ZnPbCa =>
Zn + Pb + Ca = ZnPbCa
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
Pb + CO = PbO + C =>
Pb + CO = PbO + C
Cd(OH)2 + KOH = K2CdO2 + H2O =>
Cd(OH)2 + 2 KOH = K2CdO2 + 2 H2O
RbBrO3 + H2O = RbOH + HBrO3 =>
RbBrO3 + H2O = RbOH + HBrO3
Na3PO4 + Ba(NO3)2 = Ba(PO4)2 + Na + NO3 =>
2 Na3PO4 + Ba(NO3)2 = Ba(PO4)2 + 6 Na + 2 NO3
AlFeSO4 = Al2(SO4)2 + Fe =>
2 AlFeSO4 = Al2(SO4)2 + 2 Fe
NH4Cl + H2CO = CH2NHHCl + H2O =>
NH4Cl + H2CO = CH2NHHCl + H2O
Au(NO3)2 = Au + O2 + NO2 =>
Au(NO3)2 = Au + O2 + 2 NO2
K2HPO4 + BaCl2 = Ba3(PO4)2 + KCl + HCl =>
2 K2HPO4 + 3 BaCl2 = Ba3(PO4)2 + 4 KCl + 2 HCl
Mg + MnOH2 = MgOH2 + Mn =>
Mg + MnOH2 = MgOH2 + Mn
Na2PO4 + NiSO4 = Na2SO4 + NiPO4 =>
Na2PO4 + NiSO4 = Na2SO4 + NiPO4
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
MnO + MnO2 = Mn3O4 =>
2 MnO + MnO2 = Mn3O4
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
NaOH + CaNo = NaNo + CaOH =>
NaOH + CaNo = NaNo + CaOH
CO + CS2 = C + SO2 =>
4 CO + CS2 = 5 C + 2 SO2
Au(NO3)2 = Au + O2 + NO2 =>
Au(NO3)2 = Au + O2 + 2 NO2
HBr + (NH4)2CO3 = CO3 + H2 + NH4Br =>
2 HBr + (NH4)2CO3 = CO3 + H2 + 2 NH4Br
Na2PO4 + NiSO4 = Na2SO4 + NiPO4 =>
Na2PO4 + NiSO4 = Na2SO4 + NiPO4
BeF2 + Ca = CaF2 + Be =>
BeF2 + Ca = CaF2 + Be
IO3 + OH = IO6 + H2O =>
IO3 + 6 OH = IO6 + 3 H2O
Sr(OH)2 + NH4Cl(s) = SrCl2(aq) + NH3(aq) + H2O(l) =>
Sr(OH)2 + 2 NH4Cl(s) = SrCl2(aq) + 2 NH3(aq) + 2 H2O(l)
Pb + CO = PbO + C =>
Pb + CO = PbO + C
CuSO4 + Na2O = CuO + Na2SO4 =>
CuSO4 + Na2O = CuO + Na2SO4
Mg + MnOH2 = MgOH2 + Mn =>
Mg + MnOH2 = MgOH2 + Mn
CuSO4 + Na2O = CuO + Na2SO4 =>
CuSO4 + Na2O = CuO + Na2SO4
Pb(CH3COO)2*3H2O + K2CrO4 = PbCrO4 + H2O + CH3COOK =>
Pb(CH3COO)2*3H2O + K2CrO4 = PbCrO4 + 3 H2O + 2 CH3COOK
HBr + (NH4)2CO3 = CO3 + H2 + NH4Br =>
2 HBr + (NH4)2CO3 = CO3 + H2 + 2 NH4Br
CuSO4 + Na2O = CuO + Na2SO4 =>
CuSO4 + Na2O = CuO + Na2SO4
Na2PO4 + NiSO4 = Na2SO4 + NiPO4 =>
Na2PO4 + NiSO4 = Na2SO4 + NiPO4
Na2HPO3 + NaBrO2 + NaOH = Na3PO4 + NaBr + H2O =>
2 Na2HPO3 + NaBrO2 + 2 NaOH = 2 Na3PO4 + NaBr + 2 H2O
C6H6O2N2 + O2 = CO2 + N2 + H2O =>
2 C6H6O2N2 + 13 O2 = 12 CO2 + 2 N2 + 6 H2O
H2[TiCl6] + Zn + HCl = H3[TiCl6] + ZnCl2 =>
2 H2[TiCl6] + Zn + 2 HCl = 2 H3[TiCl6] + ZnCl2
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
HClO4 + Cu2CO3(OH)2 = Cu(ClO4)2 + H2O + CO2 =>
4 HClO4 + Cu2CO3(OH)2 = 2 Cu(ClO4)2 + 3 H2O + CO2
LiOH + Na2H2PO4 = NaOH + Li2H2PO4 =>
2 LiOH + Na2H2PO4 = 2 NaOH + Li2H2PO4
HBr + (NH4)2CO3 = CO3 + H2 + NH4Br =>
2 HBr + (NH4)2CO3 = CO3 + H2 + 2 NH4Br
Pb + CO = PbO + C =>
Pb + CO = PbO + C
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