Équations équilibrées la veille |
K2SO4 + 2 CaClO3 = 2 KClO3 + Ca2SO4
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
Zn(s) + CdCl2(aq) = ZnCl2(aq) + Cd(s) =>
Zn(s) + CdCl2(aq) = ZnCl2(aq) + Cd(s)
K2[HgBr4] + KCl = K2[HgCl4] + KBr =>
K2[HgBr4] + 4 KCl = K2[HgCl4] + 4 KBr
Ag + BrO3 + H{+} = Ag{+} + Br{-} + H2O =>
7 Ag + BrO3 + 6 H{+} = 7 Ag{+} + Br{-} + 3 H2O
Ca(OH)2 + Fe2(SO4)3 = Ca(SO4) + Fe(OH)3 =>
3 Ca(OH)2 + Fe2(SO4)3 = 3 Ca(SO4) + 2 Fe(OH)3
NaO + SO3 = NaO3 + SO2 =>
NaO + 2 SO3 = NaO3 + 2 SO2
KOH + HCl = KOHCl + H =>
KOH + HCl = KOHCl + H
Cu + CO2 = Cu2O + C =>
4 Cu + CO2 = 2 Cu2O + C
KOH + H3PO4 = K2HPO4 + H2O =>
2 KOH + H3PO4 = K2HPO4 + 2 H2O
Ca2C + O2 = CaO + CO2 =>
Ca2C + 2 O2 = 2 CaO + CO2
C7H5O3N + C3H6O + HO{-} = C16H10O2N2 + C2H3O2{-} + H2O =>
2 C7H5O3N + 2 C3H6O + 2 HO{-} = C16H10O2N2 + 2 C2H3O2{-} + 4 H2O
Zn + Cl2 = ZnCl2 =>
Zn + Cl2 = ZnCl2
KBrO3 + KNO2 = KBr + KNO3 =>
KBrO3 + 3 KNO2 = KBr + 3 KNO3
Zn + HSO4{-2} = Zn(SO4){-2} + H =>
Zn + HSO4{-2} = Zn(SO4){-2} + H
Cu(OH)2(s) = CuO + H2O(l) =>
Cu(OH)2(s) = CuO + H2O(l)
CaO + CH4 = Ca + CO2 + H2O =>
4 CaO + CH4 = 4 Ca + CO2 + 2 H2O
KH2PO4 + Ba(OH)2 = K3PO4 + Ba(H2PO4)2 + H2O =>
3 KH2PO4 + Ba(OH)2 = K3PO4 + Ba(H2PO4)2 + 2 H2O
NaBH4 + C2H4O2 = C6H10BNaO6 + H =>
NaBH4 + 3 C2H4O2 = C6H10BNaO6 + 6 H
Ca2C + O2 = CaO + CO2 =>
Ca2C + 2 O2 = 2 CaO + CO2
NH4OH + CuSO4 = NH4Cu + OHSO4 =>
NH4OH + CuSO4 = NH4Cu + OHSO4
CU(OH)2 + N2O5 = H2O + CU(NO3)2 =>
CU(OH)2 + N2O5 = H2O + CU(NO3)2
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
NaOH + NH4SO4 = NH4OH + NaSO4 =>
NaOH + NH4SO4 = NH4OH + NaSO4
H3PO4 + FeBr3 = HBr + FePO4 =>
H3PO4 + FeBr3 = 3 HBr + FePO4
Zn + Cl2 = ZnCl =>
2 Zn + Cl2 = 2 ZnCl
H3PO4 + FeBr3 = HBr + FePO4 =>
H3PO4 + FeBr3 = 3 HBr + FePO4
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
NiCl2 + NaOH = Ni(OH)2 + Na2Cl2 =>
NiCl2 + 2 NaOH = Ni(OH)2 + Na2Cl2
H2SO4 + Hg = Hg2SO4 + SO2 + H2O =>
2 H2SO4 + 2 Hg = Hg2SO4 + SO2 + 2 H2O
N2H4 + Na2Sn(OH)4 + H2O = NH3 + Na2Sn(OH)6 =>
N2H4 + Na2Sn(OH)4 + 2 H2O = 2 NH3 + Na2Sn(OH)6
H3PO4 + FeBr3 = HBr + FePO4 =>
H3PO4 + FeBr3 = 3 HBr + FePO4
KOH + H3PO4 = K2HPO4 + H2O =>
2 KOH + H3PO4 = K2HPO4 + 2 H2O
Fe + Pb(No3)3 = Fe(No3)3 + Pb =>
Fe + Pb(No3)3 = Fe(No3)3 + Pb
FeS2 + NaOH = Fe(OH)3 + Na + S =>
FeS2 + 3 NaOH = Fe(OH)3 + 3 Na + 2 S
Ca2C + O2 = CaO + CO2 =>
Ca2C + 2 O2 = 2 CaO + CO2
Hg2(NO3)2 + Fe = Fe(NO3)2 + Hg =>
Hg2(NO3)2 + Fe = Fe(NO3)2 + 2 Hg
Ca(COO)2 + H2SO4 = CaSO4 + COOH =>
Ca(COO)2 + H2SO4 = CaSO4 + 2 COOH
NO2 = NO + O2 =>
2 NO2 = 2 NO + O2
C(s) + O2(g) = CO(g) =>
2 C(s) + O2(g) = 2 CO(g)
Cr2O3 + Si = Cr + SiO2 =>
2 Cr2O3 + 3 Si = 4 Cr + 3 SiO2
NaHSO4 + BaO2H2 = BaSO4 + NaOH + H2O =>
NaHSO4 + BaO2H2 = BaSO4 + NaOH + H2O
NH4(NO3) + NaClO3 = NH4ClO3 + NaNO3 =>
NH4(NO3) + NaClO3 = NH4ClO3 + NaNO3
Zn(s) + Pb(NO3)2(aq) = Pb(s) + Zn(NO3)2(aq) =>
Zn(s) + Pb(NO3)2(aq) = Pb(s) + Zn(NO3)2(aq)
Na2SO4 + HCl = H2SO4 + NaCl =>
Na2SO4 + 2 HCl = H2SO4 + 2 NaCl
Cu(ClO3)2 = CuCl2 + O2 =>
Cu(ClO3)2 = CuCl2 + 3 O2
NaHCO3(s) + H2SO4(aq) = Na2SO4 + H2O + CO2 =>
2 NaHCO3(s) + H2SO4(aq) = Na2SO4 + 2 H2O + 2 CO2
Ba(OH)2 + H2S = Ba3(OHS)2 + H2O =>
3 Ba(OH)2 + 2 H2S = Ba3(OHS)2 + 4 H2O
FeI2 + H2SO4 = Fe2SO4 + SO2 + I2 + H2O =>
2 FeI2 + 2 H2SO4 = Fe2SO4 + SO2 + 2 I2 + 2 H2O
Mn + KClO3 + KOH = K2MnO4 + KCl + H2O =>
Mn + KClO3 + 2 KOH = K2MnO4 + KCl + H2O
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