| Équations équilibrées la veille | Équations équilibrées le lendemain |
ZnCl2 + 2 AgNO3 = 2 AgCl + Zn(NO3)2
Ca2Si + Cl2 = CaCl2 + SiCl4 =>
Ca2Si + 4 Cl2 = 2 CaCl2 + SiCl4
Cl2 + KOH = KClO3 + KCl + H2O =>
3 Cl2 + 6 KOH = KClO3 + 5 KCl + 3 H2O
NaHCO3 + H3C6H5O7 = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + H3C6H5O7 = 3 CO2 + 3 H2O + Na3C6H5O7
Zn(OH)2 + NaOH = Na2Zn(OH)4 =>
Zn(OH)2 + 2 NaOH = Na2Zn(OH)4
H2SO4 + NaHCO3 = CO2 + Na2SO4 + H2O =>
H2SO4 + 2 NaHCO3 = 2 CO2 + Na2SO4 + 2 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
(NH4)3PO4(aq) + CrBr3(aq) = NH4Br(aq) + CrPO4(s) =>
(NH4)3PO4(aq) + CrBr3(aq) = 3 NH4Br(aq) + CrPO4(s)
NaNO3 = Na2O + O2 + NO =>
4 NaNO3 = 2 Na2O + 3 O2 + 4 NO
HNO3 + Sr = Sr(NO3)2 + H =>
2 HNO3 + Sr = Sr(NO3)2 + 2 H
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
KNO3 + Al2(CO3)3 = K2CO3 + Al(NO3)3 =>
6 KNO3 + Al2(CO3)3 = 3 K2CO3 + 2 Al(NO3)3
Ca2Si + Cl2 = CaCl2 + SiCl4 =>
Ca2Si + 4 Cl2 = 2 CaCl2 + SiCl4
H33O33 + DI = HI + DO =>
H33O33 + 33 DI = 33 HI + 33 DO
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
PBS + O2 = PBO + SO2 =>
2 PBS + 3 O2 = 2 PBO + 2 SO2
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
HY + H2SO4 = Y2 + SO2 + H2O =>
2 HY + H2SO4 = Y2 + SO2 + 2 H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
Cr(OH)6(s) = CrO3(s) + H2O(l) =>
Cr(OH)6(s) = CrO3(s) + 3 H2O(l)
AL + NaOH + H2O = NaAL(OH)4 + H2 =>
2 AL + 2 NaOH + 6 H2O = 2 NaAL(OH)4 + 3 H2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
MgBr2 + KOH = KBr + Mg(OH)2 =>
MgBr2 + 2 KOH = 2 KBr + Mg(OH)2
CaO(s) + H2O(l) = Ca(OH)2(aq) =>
CaO(s) + H2O(l) = Ca(OH)2(aq)
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
AlCl3 + NH4OH = NH4Cl + Al(OH)3 =>
AlCl3 + 3 NH4OH = 3 NH4Cl + Al(OH)3
Al(s) + CuCl(aq) = AlCl3(aq) + Cu(s) =>
Al(s) + 3 CuCl(aq) = AlCl3(aq) + 3 Cu(s)
AgCl + KCN = KAg(CN)2 + KCl =>
AgCl + 2 KCN = KAg(CN)2 + KCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ca(ClO3)2(s) = CaCl2(s) + O2(g) =>
Ca(ClO3)2(s) = CaCl2(s) + 3 O2(g)
Pb(NO3)2 + HF = HNO3 + PbF2 =>
Pb(NO3)2 + 2 HF = 2 HNO3 + PbF2
Fe + H2SO4 = Fe2(SO4)3 + H =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 6 H
KI(aq) + Hg2(NO3)2(aq) = KNO3(aq) + Hg2I2(s) =>
2 KI(aq) + Hg2(NO3)2(aq) = 2 KNO3(aq) + Hg2I2(s)
AgNO3(aq) + K2SO4(ag) = Ag2SO4(s) + KNO3(aq) =>
2 AgNO3(aq) + K2SO4(ag) = Ag2SO4(s) + 2 KNO3(aq)
ZnCl2 + AgNO3 = Zn(NO3)2 + AgCl =>
ZnCl2 + 2 AgNO3 = Zn(NO3)2 + 2 AgCl
Si + CO2 = SiC + SiO2 =>
2 Si + CO2 = SiC + SiO2
Ta2O5 + B2O3 + Na = TaB2 + Na4B2O5 =>
2 Ta2O5 + 15 B2O3 + 44 Na = 4 TaB2 + 11 Na4B2O5
MgS + OF2 = MgF2 + SO =>
MgS + OF2 = MgF2 + SO
(NH4)2SO4 + Ca(OH)2 = NH4OH + CaSO4 =>
(NH4)2SO4 + Ca(OH)2 = 2 NH4OH + CaSO4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
NANO2 + KMNO4 + H2SO4 = NANO3 + MNSO4 + K2SO4 + H2O =>
5 NANO2 + 2 KMNO4 + 3 H2SO4 = 5 NANO3 + 2 MNSO4 + K2SO4 + 3 H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Zn(s) + CuBr2(aq) = ZnBr2(aq) + Cu(s) =>
Zn(s) + CuBr2(aq) = ZnBr2(aq) + Cu(s)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Cu2SO4 + NAOH = Cu2OH + NASO4 =>
Cu2SO4 + NAOH = Cu2OH + NASO4
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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