Équations équilibrées la veille |
2 NaOH + (NH4)2CO3 = Na2CO3 + 2 NH3 + 2 H2O
FeCl3 + KCNS = K3(Fe(CNS)6) + KCl =>
FeCl3 + 6 KCNS = K3(Fe(CNS)6) + 3 KCl
Na2CO3*H2O + HCl*H2O = Na2Cl*H2O + HCO3*H2O =>
Na2CO3*H2O + HCl*H2O = Na2Cl*H2O + HCO3*H2O
C6H5Br + NO2 = C6H3N2BrO4 + H2 =>
C6H5Br + 2 NO2 = C6H3N2BrO4 + H2
HCOOH + HCl = HCOOHH + Cl =>
HCOOH + HCl = HCOOHH + Cl
CrSO4 + HNO3 = Cr(NO3)3 + H2O + NO2 + H2SO4 =>
CrSO4 + 4 HNO3 = Cr(NO3)3 + H2O + NO2 + H2SO4
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
ZnSO4 + Li2CO3 = ZnCO3 + Li2SO4 =>
ZnSO4 + Li2CO3 = ZnCO3 + Li2SO4
Fe3(PO4)2 + Au = AuPO4 + Fe =>
Fe3(PO4)2 + 2 Au = 2 AuPO4 + 3 Fe
V2CO3 + H2SO4 = V2SO4 + CO2 + H2O =>
V2CO3 + H2SO4 = V2SO4 + CO2 + H2O
GaAs + NH4 + OH = GaN + AsH3 + H2O =>
GaAs + NH4 + OH = GaN + AsH3 + H2O
NaNO3 + H2SO4 = Na2SO4 + HNO3 =>
2 NaNO3 + H2SO4 = Na2SO4 + 2 HNO3
H2CO3(aq) + NaOH(aq) = Na2CO3(aq) + H2O =>
H2CO3(aq) + 2 NaOH(aq) = Na2CO3(aq) + 2 H2O
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
KI + K2Cr2O7 + H2SO4 = I2 + Cr2(SO4)3 + KHSO4 + H2O =>
6 KI + K2Cr2O7 + 11 H2SO4 = 3 I2 + Cr2(SO4)3 + 8 KHSO4 + 7 H2O
SnCl2 + I2 = SnCl4 + SnI4 =>
2 SnCl2 + 2 I2 = SnCl4 + SnI4
H3AsO3 + Zn + HCl = AsH3 + ZnCl2 + H2O =>
H3AsO3 + 3 Zn + 6 HCl = AsH3 + 3 ZnCl2 + 3 H2O
SrI2 + FeSO4 = SrSO4 + FeI2 =>
SrI2 + FeSO4 = SrSO4 + FeI2
CuSO4*5H2O = Cu2SO4 + H2O + S8 + O2 =>
16 CuSO4*5H2O = 8 Cu2SO4 + 80 H2O + S8 + 16 O2
KI + K2Cr2O7 + H2SO4 = I2 + Cr2(SO4)3 + KHSO4 + H2O =>
6 KI + K2Cr2O7 + 11 H2SO4 = 3 I2 + Cr2(SO4)3 + 8 KHSO4 + 7 H2O
NaH2PO4 + HClO4 = NaClO4 + H3PO4 =>
NaH2PO4 + HClO4 = NaClO4 + H3PO4
CO2 + C(t) = CO =>
CO2 + C(t) = 2 CO
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
N2 + O2 = N2O4 =>
N2 + 2 O2 = N2O4
K2CO3 + FeCl3 = Fe2(CO3)3 + KCl =>
3 K2CO3 + 2 FeCl3 = Fe2(CO3)3 + 6 KCl
Fe2O3(s) + C(g) = Fe(l) + CO2 =>
2 Fe2O3(s) + 3 C(g) = 4 Fe(l) + 3 CO2
Ni(OH)2 + CH3COOH = Ni(COOCH3)2 + H2O =>
Ni(OH)2 + 2 CH3COOH = Ni(COOCH3)2 + 2 H2O
KI + K2Cr2O7 + H2SO4 = I2 + Cr2(SO4)3 + KHSO4 + H2O =>
6 KI + K2Cr2O7 + 11 H2SO4 = 3 I2 + Cr2(SO4)3 + 8 KHSO4 + 7 H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
BaCl2 + CaS = BaS + CaCl2 =>
BaCl2 + CaS = BaS + CaCl2
SO3 + K(OH) = K2SO4 + H2O =>
SO3 + 2 K(OH) = K2SO4 + H2O
FeCO3 + HC1 = Fe(C1)2 + H2O + CO2 =>
FeCO3 + 2 HC1 = Fe(C1)2 + H2O + CO2
Pb + CuSO4 = PbSO4 + Cu =>
Pb + CuSO4 = PbSO4 + Cu
GeCl4 + H2Se = GeSe2 + HCl =>
GeCl4 + 2 H2Se = GeSe2 + 4 HCl
Ni + B = NiB =>
Ni + B = NiB
C10H8(s) + O2 = CO2(g) + H20(l) =>
5 C10H8(s) + 50 O2 = 50 CO2(g) + 2 H20(l)
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Cr(s) + NiSO4(aq) = Ni(s) + CrSO4(aq) =>
Cr(s) + NiSO4(aq) = Ni(s) + CrSO4(aq)
H14MgO11S = H2 + Mg + O2 + S =>
2 H14MgO11S = 14 H2 + 2 Mg + 11 O2 + 2 S
HCl(l) + Mg(s) = MgCl + H2 =>
2 HCl(l) + 2 Mg(s) = 2 MgCl + H2
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Ca(OH)2 + CO = Ca(HCO2)2 = KNO2 + CaCO3 + H2O =>
Ca(OH)2 + 2 CO = Ca(HCO2)2
KIO4 + KI + HCl = I3 + KCl + H2O =>
3 KIO4 + 21 KI + 24 HCl = 8 I3 + 24 KCl + 12 H2O
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
K2S + I2 + KOH = KI + K2SO4 + H2O =>
K2S + 4 I2 + 8 KOH = 8 KI + K2SO4 + 4 H2O
Mn(HCO3)2 = MnO + H2O + CO2 =>
Mn(HCO3)2 = MnO + H2O + 2 CO2
Nb + Br2 = NbBr5 =>
2 Nb + 5 Br2 = 2 NbBr5
AlH3 + KOH + H2O = K(Al(OH)4) + H2 =>
AlH3 + KOH + 3 H2O = K(Al(OH)4) + 3 H2
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