| Équations équilibrées la veille |
Ca2(SO3)2 = 2 CaO + 2 SO2
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
CrO4(aq) + Pb(aq) = Pb2(CrO4)2(s) =>
2 CrO4(aq) + 2 Pb(aq) = Pb2(CrO4)2(s)
C6H6COONa + NaOH = C6H6 + Na2CO3 + H2 =>
2 C6H6COONa + 2 NaOH = 2 C6H6 + 2 Na2CO3 + H2
Ca(OH)2 + NH(NO3)4 = Ca(NO3)2 + NH(OH)4 =>
2 Ca(OH)2 + NH(NO3)4 = 2 Ca(NO3)2 + NH(OH)4
O2(g) + CH3CHO(l) = CO2(g) + H2O(g) =>
5 O2(g) + 2 CH3CHO(l) = 4 CO2(g) + 4 H2O(g)
KOH + H2SO3 = H2O + K2SO3 =>
2 KOH + H2SO3 = 2 H2O + K2SO3
CuCl2 + Cr = Cr2Cl3 + Cu =>
3 CuCl2 + 4 Cr = 2 Cr2Cl3 + 3 Cu
H2Na + Ca(OH)2 = HOH + CaNa =>
H2Na + Ca(OH)2 = 2 HOH + CaNa
KI(aq) + Cl(g) = KCl(aq) + I2(aq) =>
2 KI(aq) + 2 Cl(g) = 2 KCl(aq) + I2(aq)
ZnCl2NH3 = Zn(NH3)Cl2 =>
ZnCl2NH3 = Zn(NH3)Cl2
SiO2 + HNO3 = SiNO3 + HO2 =>
SiO2 + HNO3 = SiNO3 + HO2
HOOCCOOH + NaOH = Na2(C2O4) + HOH =>
HOOCCOOH + 2 NaOH = Na2(C2O4) + 2 HOH
CH3NHCH2CH3 + H2O = CH3NH2CH2CH3OH =>
CH3NHCH2CH3 + H2O = CH3NH2CH2CH3OH
Cr(NO)3 + (NH3*H2O) = Cr(OH)3 + NH4 + NO3 =>
7 Cr(NO)3 + 45(NH3*H2O) = 7 Cr(OH)3 + 51 NH4 + 15 NO3
H{+} + Cr2O7{2-} + Fe{2+} = Cr{+3} + H2O + Fe{3+} =>
14 H{+} + Cr2O7{2-} + 6 Fe{2+} = 2 Cr{+3} + 7 H2O + 6 Fe{3+}
Fe(OH)2NaOH = Fe(OH)3Na =>
Fe(OH)2NaOH = Fe(OH)3Na
Cu + H2SO4 = CuS + Cu2(SO4)3 + H2O =>
3 Cu + 4 H2SO4 = CuS + Cu2(SO4)3 + 4 H2O
CrBr2 + Fe = FeBr2 + Cr =>
CrBr2 + Fe = FeBr2 + Cr
Ba + K2(CO3) = BaCO3 + K =>
Ba + K2(CO3) = BaCO3 + 2 K
P4 + H2SO4 = H2(PHO3) + SO2 =>
P4 + 6 H2SO4 = 4 H2(PHO3) + 6 SO2
P2O3 + HNO3 = HPO3 + NO2 + H2O =>
P2O3 + 4 HNO3 = 2 HPO3 + 4 NO2 + H2O
Na3AsO4 + Na2S + H2SO4 = As2O3 + Na2SO4 + H2O =>
4 Na3AsO4 + Na2S + 6 H2SO4 = 2 As2O3 + 7 Na2SO4 + 6 H2O
Ca(OH)2 + BaMnO4 + H2O = Ca(MnO4)2 + Ba(OH)2 + MnO2 =>
Ca(OH)2 + 3 BaMnO4 + 2 H2O = Ca(MnO4)2 + 3 Ba(OH)2 + MnO2
NH4ClO4 = N3 + Cl2 + O2 + H2O =>
6 NH4ClO4 = 2 N3 + 3 Cl2 + 6 O2 + 12 H2O
CaCO3 + H2CO3 = Ca{+2} + HCO3{-} =>
CaCO3 + H2CO3 = Ca{+2} + 2 HCO3{-}
CH3COOH + C2H5OH = C5H10O2 + H2O =>
2 CH3COOH + 3 C2H5OH = 2 C5H10O2 + 3 H2O
Al + NH4ClO4 = Al2O3 + AlCl3 + N2O3 + H2O =>
4 Al + 6 NH4ClO4 = Al2O3 + 2 AlCl3 + 3 N2O3 + 12 H2O
CH3COCH3 + I2 + NaOH = CH3COONa + CHI3 + HI =>
CH3COCH3 + 3 I2 + NaOH = CH3COONa + CHI3 + 3 HI
C2H4Cl2 + O2 = CO + H2O + HCl =>
2 C2H4Cl2 + 3 O2 = 4 CO + 2 H2O + 4 HCl
C6H5CHO + KHSO5KHSO4K2SO4 = C6H5COOH + KHSO4KHSO4K2SO4 =>
C6H5CHO + KHSO5KHSO4K2SO4 = C6H5COOH + KHSO4KHSO4K2SO4
Fe3(PO4)2 + CaCl2 = FeCl2 + Ca3(PO4)2 =>
Fe3(PO4)2 + 3 CaCl2 = 3 FeCl2 + Ca3(PO4)2
Zn(s) + MgSO4(aq) = ZnMg + SO4 =>
Zn(s) + MgSO4(aq) = ZnMg + SO4
K2SO4 + Ca(NO3)2 + H2O = KNO3 + CaSO4*2(H2O) =>
K2SO4 + Ca(NO3)2 + 2 H2O = 2 KNO3 + CaSO4*2(H2O)
Mg4 + O2 = Mg2O5 =>
Mg4 + 5 O2 = 2 Mg2O5
Al + NaCl + H2O = AlCl2 + NaOH + H2 =>
Al + 2 NaCl + 2 H2O = AlCl2 + 2 NaOH + H2
Na2SO4 + PbCl4 = Pb(SO4)2 + NaCl =>
2 Na2SO4 + PbCl4 = Pb(SO4)2 + 4 NaCl
NaHCO3 + HCH3OO = CH3COONa + H2 + CO3 =>
NaHCO3 + 4 HCH3OO = CH3COONa + 7 H2 + 3 CO3
CH3COOH + CuO = Cu(CH3COO0)2 + H2O =>
2 CH3COOH + CuO = Cu(CH3COO0)2 + H2O
ZnSH = ZnHS =>
ZnSH = ZnHS
NaClCO2 = NaCClO2 =>
NaClCO2 = NaCClO2
CaSO4 + SIO2 = CaSIO3 + SO3 =>
CaSO4 + SIO2 = CaSIO3 + SO3
Al2(SO4)3 + BaCl2 = BaSO4 + AlCl3 =>
Al2(SO4)3 + 3 BaCl2 = 3 BaSO4 + 2 AlCl3
HBr + Na2SO3 = H2O + NaBr + SO2 =>
2 HBr + Na2SO3 = H2O + 2 NaBr + SO2
C + H + N + O2 = C2H5NO2 =>
2 C + 5 H + N + O2 = C2H5NO2
P4 + ClF3 = PCl3 + PF5 =>
7 P4 + 30 ClF3 = 10 PCl3 + 18 PF5
HfN + NH4Cl = HfNCl + NH3 + H2 =>
2 HfN + 2 NH4Cl = 2 HfNCl + 2 NH3 + H2
He + Y{3} + Se{-2} + Xe = HeY2Se3Xe =>
He + 2 Y{3} + 3 Se{-2} + Xe = HeY2Se3Xe
BaNO3 + KCO3 = BaCO3 + KNO3 =>
BaNO3 + KCO3 = BaCO3 + KNO3
HC2O4H + NaOH = Na2C2O4 + H2O =>
HC2O4H + 2 NaOH = Na2C2O4 + 2 H2O
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