| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 NH3 + 5 O2 = 4 NO + 6 H2O
K2CO3 + Ca2(SO4)2 = CaCO3 + K2SO4 =>
2 K2CO3 + Ca2(SO4)2 = 2 CaCO3 + 2 K2SO4
UO3 + HCl = UO2Cl2 + H2O =>
UO3 + 2 HCl = UO2Cl2 + H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Rb3N + BeS = Rb2S + Be3N2 =>
2 Rb3N + 3 BeS = 3 Rb2S + Be3N2
Ag(NO3)(aq) + MgCl2(aq) = AgCl(s) + Mg(NO3)2(aq) =>
2 Ag(NO3)(aq) + MgCl2(aq) = 2 AgCl(s) + Mg(NO3)2(aq)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CH3COONa + O2 = CO2 + H2O + Na2O =>
2 CH3COONa + 4 O2 = 4 CO2 + 3 H2O + Na2O
Co + N2 = CoN2 =>
Co + N2 = CoN2
H2SeO4 + Ca(OH)2 = (CaOH)2SeO4 + H2O =>
H2SeO4 + 2 Ca(OH)2 = (CaOH)2SeO4 + 2 H2O
H2O + MnO2 = H2MnO3 =>
H2O + MnO2 = H2MnO3
Ag{+} + Cl{-} = AgCl =>
Ag{+} + Cl{-} = AgCl
NaNO3 + H2SO4 = Na2SO4 + H2O + O2 + NO2 =>
4 NaNO3 + 2 H2SO4 = 2 Na2SO4 + 2 H2O + O2 + 4 NO2
Au(OH)4{-} + N2H4 = Au + N2 + OH{-} + H2O =>
4 Au(OH)4{-} + 3 N2H4 = 4 Au + 3 N2 + 4 OH{-} + 12 H2O
CrCl3 + Br2 + KOH = K2CrO4 + KBr + KCl + H3O =>
2 CrCl3 + Br2 + 12 KOH = 2 K2CrO4 + 2 KBr + 6 KCl + 4 H3O
NaNO3 + H2SO4 = Na2SO4 + H2O + O2 + NO2 =>
4 NaNO3 + 2 H2SO4 = 2 Na2SO4 + 2 H2O + O2 + 4 NO2
HgNO3 + H2S = Hg2S + HNO3 =>
2 HgNO3 + H2S = Hg2S + 2 HNO3
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
KCl + NaNO3 = K(NO3) + NaCl =>
KCl + NaNO3 = K(NO3) + NaCl
Cu + NaOH + H2O = NaCuO2 + H2 =>
2 Cu + 2 NaOH + 2 H2O = 2 NaCuO2 + 3 H2
NaNO3 + H2SO4 = Na2SO4 + H2O + O2 + NO2 =>
4 NaNO3 + 2 H2SO4 = 2 Na2SO4 + 2 H2O + O2 + 4 NO2
K + FeCO3 = K2CO3 + Fe =>
2 K + FeCO3 = K2CO3 + Fe
RbCN + H2O = RbOH + HCN =>
RbCN + H2O = RbOH + HCN
CrCl2 + Ba(OH)2 = Cr(OH)2 + BaCl2 =>
CrCl2 + Ba(OH)2 = Cr(OH)2 + BaCl2
SO2 + HNO3 = HNSO5 =>
SO2 + HNO3 = HNSO5
NH4(NO3) + Ba(OH)2 = NH4(OH) + Ba(NO3)2 =>
2 NH4(NO3) + Ba(OH)2 = 2 NH4(OH) + Ba(NO3)2
NaNO3 + H2SO4 = Na2SO4 + H2O + O2 + NO2 =>
4 NaNO3 + 2 H2SO4 = 2 Na2SO4 + 2 H2O + O2 + 4 NO2
Ag{+} + Cl{-} = AgCl =>
Ag{+} + Cl{-} = AgCl
Ni{2+} + KCN = Ni(CN)2 + K{+} =>
Ni{2+} + 2 KCN = Ni(CN)2 + 2 K{+}
H2O(ac) + CO2(g) = H2CO3(ac) =>
H2O(ac) + CO2(g) = H2CO3(ac)
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
Cu(OH)2 + H2SO4 = CuSO4 + H2O =>
Cu(OH)2 + H2SO4 = CuSO4 + 2 H2O
AgCl + NaOH = AgO + NaCl + H =>
AgCl + NaOH = AgO + NaCl + H
HCI + Ba(OH)2 = H2O + Ba(CI)2 =>
2 HCI + Ba(OH)2 = 2 H2O + Ba(CI)2
Fe(OH)2 + NaOH + H2O2 = Na2FeO3 + H2O =>
Fe(OH)2 + 2 NaOH + H2O2 = Na2FeO3 + 3 H2O
NaNO3 + H2SO4 = Na2SO4 + H2O + O2 + NO2 =>
4 NaNO3 + 2 H2SO4 = 2 Na2SO4 + 2 H2O + O2 + 4 NO2
Pb + (NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb + (NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
HNO3 + Li2S = Li(NO3) + H2S =>
2 HNO3 + Li2S = 2 Li(NO3) + H2S
KI + HCl = KCl + H2 + I2 =>
2 KI + 2 HCl = 2 KCl + H2 + I2
H2O2 + Na2HSO3 = Na2SO4 + H2O =>
3 H2O2 + 2 Na2HSO3 = 2 Na2SO4 + 4 H2O
ZrO2 + C = Zr + CO2 =>
ZrO2 + C = Zr + CO2
Na2 + AgNO3 = Ag2 + NaNO3 =>
Na2 + 2 AgNO3 = Ag2 + 2 NaNO3
C2H7NO + O2 = CO2 + H2O + NO3 =>
4 C2H7NO + 19 O2 = 8 CO2 + 14 H2O + 4 NO3
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
NaF(aq) + Mg(NO3)2(aq) = MgF2(s) + NaNO3(aq) =>
2 NaF(aq) + Mg(NO3)2(aq) = MgF2(s) + 2 NaNO3(aq)
Ag + HNO3 + HCl = HAgCl4 + NO2 + H2O =>
Ag + 3 HNO3 + 4 HCl = HAgCl4 + 3 NO2 + 3 H2O
HBr + Ba(OH)2 = BaBr2 + H2O =>
2 HBr + Ba(OH)2 = BaBr2 + 2 H2O
Sb2O3 + Na(OH) = NaSbO2 + H2O =>
Sb2O3 + 2 Na(OH) = 2 NaSbO2 + H2O
KJ + Br2 = KBr + J2 =>
2 KJ + Br2 = 2 KBr + J2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/20/24
Équations équilibrées sur11/19/23
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