Équations équilibrées la veille |
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
HgI2 + H2O = HI + HgO =>
HgI2 + H2O = 2 HI + HgO
Mg2 + HCl = MgCl2 + H2 =>
Mg2 + 4 HCl = 2 MgCl2 + 2 H2
CaCO3 = CO2 + CaO =>
CaCO3 = CO2 + CaO
Br2 + KI = KBr + I2 =>
Br2 + 2 KI = 2 KBr + I2
Rb2O = Rb + O2 =>
2 Rb2O = 4 Rb + O2
NaF + CaBr2 = NaBr + CaF2 =>
2 NaF + CaBr2 = 2 NaBr + CaF2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
C6H10 + Cl2 = C6H10Cl2 =>
C6H10 + Cl2 = C6H10Cl2
Rb2O = Rb + O2 =>
2 Rb2O = 4 Rb + O2
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
KNH2(aq) + H2S(aq) = KNH3 + HS =>
KNH2(aq) + H2S(aq) = KNH3 + HS
KMnO4 + H2SO4 + Cu2SO4 = CuSO4 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 5 Cu2SO4 = 10 CuSO4 + 2 MnSO4 + K2SO4 + 8 H2O
Li3PO4 + HCl = Li + Cl + H3PO4 =>
Li3PO4 + 3 HCl = 3 Li + 3 Cl + H3PO4
SO2 + Cu = CuS + O2 =>
SO2 + Cu = CuS + O2
Pb(NO3)2 + KL = KNO3 + PbL2 =>
Pb(NO3)2 + 2 KL = 2 KNO3 + PbL2
Na2SO4 + NaNO3 = Na3SO4NO3 =>
Na2SO4 + NaNO3 = Na3SO4NO3
HgNO3(aq) + KCl(aq) = Hg2Cl2(s) + KNO3(aq) =>
2 HgNO3(aq) + 2 KCl(aq) = Hg2Cl2(s) + 2 KNO3(aq)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
H2SO4 + NaOH = NaSO4H + H2O =>
H2SO4 + NaOH = NaSO4H + H2O
Al + Cu(NO3)2 = Al(NO3)3 + Cu =>
2 Al + 3 Cu(NO3)2 = 2 Al(NO3)3 + 3 Cu
KClO3 + H2O = KO + ClH2 + O2 =>
2 KClO3 + 2 H2O = 2 KO + 2 ClH2 + 3 O2
H2SO4 + NaOH = H2O + Na2SO4 =>
H2SO4 + 2 NaOH = 2 H2O + Na2SO4
Sr + H3SbO4 = Sr3(SbO4)2 + H2 =>
3 Sr + 2 H3SbO4 = Sr3(SbO4)2 + 3 H2
KI + Al = K + AlI =>
KI + Al = K + AlI
Fe(CN)2 + KCN = K4Fe(CN)6 =>
Fe(CN)2 + 4 KCN = K4Fe(CN)6
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
Rb2O = Rb + O2 =>
2 Rb2O = 4 Rb + O2
Ba(NO3)2 + NaOH = Ba(OH)2 + Na(NO3) =>
Ba(NO3)2 + 2 NaOH = Ba(OH)2 + 2 Na(NO3)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
HCl + FeSO3 = H2SO3 + FeCl2 =>
2 HCl + FeSO3 = H2SO3 + FeCl2
NaOH + NaHSO4 = H2O + Na2SO4 =>
NaOH + NaHSO4 = H2O + Na2SO4
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
NH4Cl + NO2 = N2 + H2O + HCl =>
8 NH4Cl + 6 NO2 = 7 N2 + 12 H2O + 8 HCl
Cu(NO3) + NaHCO3 = Cu(HCO3) + NaNO3 =>
Cu(NO3) + NaHCO3 = Cu(HCO3) + NaNO3
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Li2SO4(aq) + SrI2(aq) = LiI(aq) + SrSO4(s) =>
Li2SO4(aq) + SrI2(aq) = 2 LiI(aq) + SrSO4(s)
Pb(NO3)2 + KI = PbI2 + NO3K =>
Pb(NO3)2 + 2 KI = PbI2 + 2 NO3K
(NH4)2SO4 + BaCl2 = NH4Cl + BaSO4 =>
(NH4)2SO4 + BaCl2 = 2 NH4Cl + BaSO4
CH3COOHBr2 = BrCH2COOHHBr =>
CH3COOHBr2 = BrCH2COOHHBr
Na + {2+} = Na{2+}O =>
Na + {2+} = Na{2+}O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Pb(NO3)2 + HF = HNO3 + PbF2 =>
Pb(NO3)2 + 2 HF = 2 HNO3 + PbF2
KCIO4 + KCI = KCIO3 =>
3 KCIO4 + KCI = 4 KCIO3
CrI3 + KOH + Cl2 = K2Cr04 + KIO4 + KCl + H2O =>
4 CrI3 + 96 KOH + 41 Cl2 = K2Cr04 + 12 KIO4 + 82 KCl + 48 H2O
K2O + HOH = KOH =>
K2O + HOH = 2 KOH
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NiCO3 + H3PO4 = Ni3(PO4)2 + CO2 + H2O =>
3 NiCO3 + 2 H3PO4 = Ni3(PO4)2 + 3 CO2 + 3 H2O
Mg + P = MgP =>
Mg + P = MgP
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