Équations équilibrées la veille |
Na2Ca2(s) + 2 HCl(aq) = 2 NaCl + 2 HCa
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
K[Cr(OH)4] + HCl = KCl + CrCl3 + H2O =>
K[Cr(OH)4] + 4 HCl = KCl + CrCl3 + 4 H2O
NaOH + NaNO3 + FeO = Na2FeO4 + NaNO2 + H2O =>
2 NaOH + 2 NaNO3 + FeO = Na2FeO4 + 2 NaNO2 + H2O
Ba3 = Ba =>
Ba3 = 3 Ba
KMnO4 + HNO2 + H2SO4 = MnSO4 + K2SO4 + NO2 + H2O =>
2 KMnO4 + 10 HNO2 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 10 NO2 + 8 H2O
Ca(NO3)2 + NaH2PO4 = Ca3(PO4)2 + NaH2(NO3)3 =>
3 Ca(NO3)2 + 2 NaH2PO4 = Ca3(PO4)2 + 2 NaH2(NO3)3
NiCl2 + Ca(NO3)2 = CaCl2 + Ni(NO3)2 =>
NiCl2 + Ca(NO3)2 = CaCl2 + Ni(NO3)2
MnO2 + H2SO4 + NaCl = MnSO4 + Cl + H2O + NaSO4 =>
MnO2 + 2 H2SO4 + NaCl = MnSO4 + Cl + 2 H2O + NaSO4
Na2Cr2O7 + Na3AsO3 + H2SO4 = Na3AsO4 + Cr2(SO4)3 + Na2SO4 + H2O =>
Na2Cr2O7 + 3 Na3AsO3 + 4 H2SO4 = 3 Na3AsO4 + Cr2(SO4)3 + Na2SO4 + 4 H2O
NO3 + FeSO4 = NO4SO3 + Fe =>
NO3 + FeSO4 = NO4SO3 + Fe
H8C6O6 + NaOH = H2O + NaH7C6O6 =>
H8C6O6 + NaOH = H2O + NaH7C6O6
Al + Hg(CH3COO)2 = Al(CH3COO)3 + Hg =>
2 Al + 3 Hg(CH3COO)2 = 2 Al(CH3COO)3 + 3 Hg
BaO*H2SO4 = BaSO4 + H2O =>
BaO*H2SO4 = BaSO4 + H2O
H2SO4 + HI = I2 + SH2 + H2O =>
H2SO4 + 8 HI = 4 I2 + SH2 + 4 H2O
HCOOH + Ag2O = H2O + CO2 + Ag =>
HCOOH + Ag2O = H2O + CO2 + 2 Ag
HClO3 + NH3(OH) = NH3(ClO3) + H2O =>
HClO3 + NH3(OH) = NH3(ClO3) + H2O
C7H8O + Na = C7H7ONa + H2 =>
2 C7H8O + 2 Na = 2 C7H7ONa + H2
PCl3 + Cl2 = PCl5 =>
PCl3 + Cl2 = PCl5
HNO3 + FeSO4 + H2SO4 = Fe2(SO4)3 + H2O + NO2 =>
2 HNO3 + 2 FeSO4 + H2SO4 = Fe2(SO4)3 + 2 H2O + 2 NO2
CaCl2 = Ca + Cl2 =>
CaCl2 = Ca + Cl2
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Ca(OH)2(s) = CaO(s) + H2O =>
Ca(OH)2(s) = CaO(s) + H2O
C8H10 + Cl2 = HCl + C =>
C8H10 + 5 Cl2 = 10 HCl + 8 C
Ca(OH){2+} + HBr = CaBr{2+} + HOH =>
Ca(OH){2+} + HBr = CaBr{2+} + HOH
Mg2O + HBr = Mg2Br2 + H2O =>
Mg2O + 2 HBr = Mg2Br2 + H2O
AgC2H3O2(aq) + NiCl2(aq) = AgCl(s) + Ni(C2H3O2)2(aq) =>
2 AgC2H3O2(aq) + NiCl2(aq) = 2 AgCl(s) + Ni(C2H3O2)2(aq)
CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H2O =>
2 CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H2O
AgNO3 + NAl = AgAl + NNO3 =>
AgNO3 + NAl = AgAl + NNO3
O3 = OO =>
2 O3 = 3 OO
Al2O3(g) + HCl(aq) = AlCl3(aq) + H2O =>
Al2O3(g) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2O
C4H9Br + Na = NaBr + C8H18 =>
2 C4H9Br + 2 Na = 2 NaBr + C8H18
FeCl3 + H2SO4 = FeSO4 + H2Cl3 =>
FeCl3 + H2SO4 = FeSO4 + H2Cl3
C18H38(s) + O2(g) = CO2 + H2O =>
2 C18H38(s) + 55 O2(g) = 36 CO2 + 38 H2O
KCl + AgNo2 = KNo2 + AgCl =>
KCl + AgNo2 = KNo2 + AgCl
PS + HNO3 + H2O = H3PO4 + H2SO4 + NO =>
3 PS + 11 HNO3 + 2 H2O = 3 H3PO4 + 3 H2SO4 + 11 NO
CaCl2 = Ca + Cl =>
CaCl2 = Ca + 2 Cl
C10H7OH + CH3OH = C10H7OCH3 + H2O =>
C10H7OH + CH3OH = C10H7OCH3 + H2O
K2SO4 + FeCl3 = KCl + Fe2(SO4)3 =>
3 K2SO4 + 2 FeCl3 = 6 KCl + Fe2(SO4)3
K2SO4 + HCl = KCl + H2O + SO2 + O2 =>
2 K2SO4 + 4 HCl = 4 KCl + 2 H2O + 2 SO2 + O2
KOHRb = KRbOH =>
KOHRb = KRbOH
AI + HCI = (AICI)3 + (H)2 =>
6 AI + 6 HCI = 2(AICI)3 + 3(H)2
C2 = C98 =>
49 C2 = C98
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
NH4O2NO = H2O + N2O =>
NH4O2NO = 2 H2O + N2O
NaHCO3HCl = NaClH2OCO2 =>
NaHCO3HCl = NaClH2OCO2
NH4Cl + AgNO3 = AgCl + (NH4)(NO3) =>
NH4Cl + AgNO3 = AgCl + (NH4)(NO3)
HCO3{-} + H2O = CO3{2-} + H3O{+} =>
HCO3{-} + H2O = CO3{2-} + H3O{+}
CaCl2 = Ca + Cl2 =>
CaCl2 = Ca + Cl2
SO2 + LiOH = SOH + LiO2 =>
SO2 + LiOH = SOH + LiO2
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