Équations équilibrées la veille |
2 N(CH3)2H2Cl + CoCl2 = [N(CH3)2H2]2CoCl4
Se + NaNO3 = Na2SeO4 + SeO2 + N2 =>
2 Se + 2 NaNO3 = Na2SeO4 + SeO2 + N2
FH3 + SF4 = H2S + F =>
2 FH3 + 3 SF4 = 3 H2S + 14 F
NaBr + HClO4 = NaCl + HBrO4 =>
NaBr + HClO4 = NaCl + HBrO4
NaBr + H3PO4 = Na3PO4 + HBr* =>
3 NaBr + H3PO4 = Na3PO4 + 3 HBr*
CuSO4(aq) + HCl(aq) + Al(s) = Cu(s) + AlCl3 + H2SO4 =>
3 CuSO4(aq) + 6 HCl(aq) + 2 Al(s) = 3 Cu(s) + 2 AlCl3 + 3 H2SO4
K2 + CuCl2 = K2Cl2 + Cu =>
K2 + CuCl2 = K2Cl2 + Cu
KOH + Cl12 = KCl + KClO + H2O =>
12 KOH + Cl12 = 6 KCl + 6 KClO + 6 H2O
Cr(NO3)3 + Na2SO3 + H2O = Cr(OH)3 + NaNO3 + SO2 =>
2 Cr(NO3)3 + 3 Na2SO3 + 3 H2O = 2 Cr(OH)3 + 6 NaNO3 + 3 SO2
C12H22O11 + H2SO4 = CO2 + SO2 + H2O =>
C12H22O11 + 24 H2SO4 = 12 CO2 + 24 SO2 + 35 H2O
NaBr + H3PO4 = Na3PO4 + HBr* =>
3 NaBr + H3PO4 = Na3PO4 + 3 HBr*
NaF + O2 = NaFO3 =>
2 NaF + 3 O2 = 2 NaFO3
Cr(NO3)3 + Na2SO3 + H2O = Cr(OH)3 + H2SO3 + NaNO3 =>
2 Cr(NO3)3 + 3 Na2SO3 + 6 H2O = 2 Cr(OH)3 + 3 H2SO3 + 6 NaNO3
KOH + Cl12 = KCl + KClO + H2O =>
12 KOH + Cl12 = 6 KCl + 6 KClO + 6 H2O
C6H10 + MnO4 + H30 = C6H10(OH)2 + MnO2 =>
15 C6H10 + 15 MnO4 + H30 = 15 C6H10(OH)2 + 15 MnO2
MgO + BaCl2 = BaO2 + MgCl =>
2 MgO + BaCl2 = BaO2 + 2 MgCl
Pr + O = Pr2O3 =>
2 Pr + 3 O = Pr2O3
KBr(l) + Cl2(g) = KCl(l) + Br(g) =>
2 KBr(l) + Cl2(g) = 2 KCl(l) + 2 Br(g)
CaCl2 + H2CO3 + NaOH = NaCl + CaCO3 + H2O =>
CaCl2 + H2CO3 + 2 NaOH = 2 NaCl + CaCO3 + 2 H2O
NaBr + HClO4 = NaCl + HBrO4 =>
NaBr + HClO4 = NaCl + HBrO4
Al(OH)3 + NH4F = AlF3 + H2O + NH3 =>
Al(OH)3 + 3 NH4F = AlF3 + 3 H2O + 3 NH3
Fe(NO3)3 + NaCl + NH4OH = Fe(OH)3 + NaNO3 + NH4Cl =>
Fe(NO3)3 + 3 NaCl + 3 NH4OH = Fe(OH)3 + 3 NaNO3 + 3 NH4Cl
Na2B4O7 + H2SO4 + CaF2 = BF3 + NaHSO4 + CaSO4 + H2O =>
Na2B4O7 + 8 H2SO4 + 6 CaF2 = 4 BF3 + 2 NaHSO4 + 6 CaSO4 + 7 H2O
C12H22O11 + H2SO4 = CO2 + SO2 + H2O =>
C12H22O11 + 24 H2SO4 = 12 CO2 + 24 SO2 + 35 H2O
KOH + Cl12 = KCl + KClO + H2O =>
12 KOH + Cl12 = 6 KCl + 6 KClO + 6 H2O
NaBr + HClO4 = NaCl + HBrO4 =>
NaBr + HClO4 = NaCl + HBrO4
Cr2O3 + NaOH + NaClO = Na2CrO4 + NaCl + H2O =>
Cr2O3 + 4 NaOH + 3 NaClO = 2 Na2CrO4 + 3 NaCl + 2 H2O
KBr(l) + Cl2(g) = KCl(l) + Br(g) =>
2 KBr(l) + Cl2(g) = 2 KCl(l) + 2 Br(g)
Se + NaNO3 = Na2SeO4 + SeO2 + N2 =>
2 Se + 2 NaNO3 = Na2SeO4 + SeO2 + N2
NaBr + H3PO4 = Na3PO4 + HBr* =>
3 NaBr + H3PO4 = Na3PO4 + 3 HBr*
Na2B4O7 + H2SO4 + CaF2 = BF3 + NaHSO4 + CaSO4 + H2O =>
Na2B4O7 + 8 H2SO4 + 6 CaF2 = 4 BF3 + 2 NaHSO4 + 6 CaSO4 + 7 H2O
Zn + KNO3 + NaOH + H2O = Na2[Zn(OH)4] + K2[Zn(OH)4] + NH3 =>
8 Zn + 2 KNO3 + 14 NaOH + 12 H2O = 7 Na2[Zn(OH)4] + K2[Zn(OH)4] + 2 NH3
NaBr + H3PO4 = Na3PO4 + HBr* =>
3 NaBr + H3PO4 = Na3PO4 + 3 HBr*
Na2B4O7 + H2SO4 + CaF2 = BF3 + NaHSO4 + CaSO4 + H2O =>
Na2B4O7 + 8 H2SO4 + 6 CaF2 = 4 BF3 + 2 NaHSO4 + 6 CaSO4 + 7 H2O
C6H10 + MnO4 + H30 = C6H10(OH)2 + MnO2 =>
15 C6H10 + 15 MnO4 + H30 = 15 C6H10(OH)2 + 15 MnO2
K2 + CuCl2 = K2Cl2 + Cu =>
K2 + CuCl2 = K2Cl2 + Cu
Mg(OH)2 + Ca(OH)2 = CaMg + OH =>
Mg(OH)2 + Ca(OH)2 = CaMg + 4 OH
NaBr + HClO4 = NaCl + HBrO4 =>
NaBr + HClO4 = NaCl + HBrO4
CuSO4(aq) + HCl(aq) + Al(s) = Cu(s) + AlCl3 + H2SO4 =>
3 CuSO4(aq) + 6 HCl(aq) + 2 Al(s) = 3 Cu(s) + 2 AlCl3 + 3 H2SO4
Al(OH)3 + NH4F = AlF3 + H2O + NH3 =>
Al(OH)3 + 3 NH4F = AlF3 + 3 H2O + 3 NH3
Fe(NO3)3 + NaCl + NH4OH = Fe(OH)3 + NaNO3 + NH4Cl =>
Fe(NO3)3 + 3 NaCl + 3 NH4OH = Fe(OH)3 + 3 NaNO3 + 3 NH4Cl
Cr(NO3)3 + Na2SO3 + H2O = Cr(OH)3 + NaNO3 + SO2 =>
2 Cr(NO3)3 + 3 Na2SO3 + 3 H2O = 2 Cr(OH)3 + 6 NaNO3 + 3 SO2
C3H6(s) + O2(g) = CO2(g) + H2O(g) =>
2 C3H6(s) + 9 O2(g) = 6 CO2(g) + 6 H2O(g)
CUCO3(s) = CUO(s) + CO2(g) =>
CUCO3(s) = CUO(s) + CO2(g)
P2O5 + Ca(OH)2 = P(OH)5 + CaO =>
P2O5 + 5 Ca(OH)2 = 2 P(OH)5 + 5 CaO
C6H7NO + CH3COOH = C8H9NO2 + H2O =>
C6H7NO + CH3COOH = C8H9NO2 + H2O
Cr(NO3)3 + Na2SO3 + H2O = Cr(OH)3 + NaNO3 + SO2 =>
2 Cr(NO3)3 + 3 Na2SO3 + 3 H2O = 2 Cr(OH)3 + 6 NaNO3 + 3 SO2
Sr(OH)2 + CO2 = Sr + CO2(OH)2 =>
Sr(OH)2 + CO2 = Sr + CO2(OH)2
C6H10 + MnO4 + H30 = C6H10(OH)2 + MnO2 =>
15 C6H10 + 15 MnO4 + H30 = 15 C6H10(OH)2 + 15 MnO2
NH4F + Al(OH)3 = NH4OH + AlF3 =>
3 NH4F + Al(OH)3 = 3 NH4OH + AlF3
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