Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cr(OH)3 + 3 Na2O + 3 H2O = 2 Na3Cr(OH)6
Ca3P2 + Si4O2 + C = P + Ca4Si2 + CO =>
8 Ca3P2 + 3 Si4O2 + 6 C = 16 P + 6 Ca4Si2 + 6 CO
C6H6(s) + Cl2(s) = C6Cl6(s) + HCl(s) =>
C6H6(s) + 6 Cl2(s) = C6Cl6(s) + 6 HCl(s)
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
Al(OH)3 + Na(NO3) = Al(NO3)3 + Na(OH) =>
Al(OH)3 + 3 Na(NO3) = Al(NO3)3 + 3 Na(OH)
K + Ca(OH)2 = (OH)2 + KCa =>
K + Ca(OH)2 = (OH)2 + KCa
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
Al2(SO4)3 + KOH = K3[Al(OH)6] + K2SO4 =>
Al2(SO4)3 + 12 KOH = 2 K3[Al(OH)6] + 3 K2SO4
KMnO4 + CuS + HCl = MnCl2 + S + KCl + CuCl2 + H2O =>
2 KMnO4 + 5 CuS + 16 HCl = 2 MnCl2 + 5 S + 2 KCl + 5 CuCl2 + 8 H2O
HNO3 + CaCO3(s) = Ca(NO3)2(aq) + H2O(l) + CO2(g) =>
2 HNO3 + CaCO3(s) = Ca(NO3)2(aq) + H2O(l) + CO2(g)
Al2O3 + SiO2 = Al2SiO5 =>
Al2O3 + SiO2 = Al2SiO5
Zn + Au(NO2)2 = Zn(NO2)2 + Au =>
Zn + Au(NO2)2 = Zn(NO2)2 + Au
Al2O3 + SiO2 = Al2(SiO3)3 =>
Al2O3 + 3 SiO2 = Al2(SiO3)3
CaCl2 + KF = CaF2 + KCl =>
CaCl2 + 2 KF = CaF2 + 2 KCl
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Li3N(s) + H2O(l) = NH3(g) + LiOH(l) =>
Li3N(s) + 3 H2O(l) = NH3(g) + 3 LiOH(l)
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
Sr(s) + Cl2(g) = SrCl2(aq) =>
Sr(s) + Cl2(g) = SrCl2(aq)
Na3AsO4 + AgClO3 = Na3ClO3 + AgAsO4 =>
Na3AsO4 + AgClO3 = Na3ClO3 + AgAsO4
NaCl + AgNO3 + NH4OH = AgCl + NaOH + NH4NO3 =>
NaCl + AgNO3 + NH4OH = AgCl + NaOH + NH4NO3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Al + NaOH + H2O = NaAl(HO)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(HO)4 + 3 H2
Na2ZnO2 + HCl = ZnCl2 + NaCl + H2O =>
Na2ZnO2 + 4 HCl = ZnCl2 + 2 NaCl + 2 H2O
Al3 + S2 = Al3S2 =>
Al3 + S2 = Al3S2
MgCl2 + Na2HPO4 + NH4OH = Mg(NH4)PO4 + NaCl + H2O =>
MgCl2 + Na2HPO4 + NH4OH = Mg(NH4)PO4 + 2 NaCl + H2O
Na2CO3 + H2SO4 = Na2CO4 + H2O + SO2 =>
Na2CO3 + H2SO4 = Na2CO4 + H2O + SO2
CH3OH + CO2 = CH3 + COOH =>
2 CH3OH + 4 CO2 = CH3 + 5 COOH
NH4Br + SrCO3 = NH4CO3 + SrBr =>
NH4Br + SrCO3 = NH4CO3 + SrBr
H4P4O12(aq) + NaOH(aq) = Na4P4O12(aq) + H2O(l) =>
H4P4O12(aq) + 4 NaOH(aq) = Na4P4O12(aq) + 4 H2O(l)
Ca3P2 + Si4O2 + C4 = P + Ca4Si2 + CO =>
16 Ca3P2 + 6 Si4O2 + 3 C4 = 32 P + 12 Ca4Si2 + 12 CO
NaNO3 + HC1 = NaC1 + HNO3 =>
NaNO3 + HC1 = NaC1 + HNO3
Na2CO3 + CH3(CH)2COOH = CH3(CH)2COONa + H2O + CO2 =>
Na2CO3 + 2 CH3(CH)2COOH = 2 CH3(CH)2COONa + H2O + CO2
(NH4)2C2O4 + AgNO3 = (NH4)2NO3 + AgC2O4 =>
(NH4)2C2O4 + AgNO3 = (NH4)2NO3 + AgC2O4
Li + F2 = LiF =>
2 Li + F2 = 2 LiF
NaOH + (NH4)2HPo4 = Na3Po4 + H2O + NH3 =>
3 NaOH + (NH4)2HPo4 = Na3Po4 + 3 H2O + 2 NH3
C + NaOH = CO2 + NaH =>
C + 2 NaOH = CO2 + 2 NaH
Zn + CH3COOH = (CH3COO)2Zn + H2 =>
Zn + 2 CH3COOH = (CH3COO)2Zn + H2
K + Mn(SO4)2 = K2SO4 + Mn =>
4 K + Mn(SO4)2 = 2 K2SO4 + Mn
BaS + PtF2 = BaF2 + PtS =>
BaS + PtF2 = BaF2 + PtS
BeO + Na2O = Na2BeO2 =>
BeO + Na2O = Na2BeO2
C2O4Na2 + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O + Na2SO4 =>
3 C2O4Na2 + K2Cr2O7 + 7 H2SO4 = 6 CO2 + Cr2(SO4)3 + K2SO4 + 7 H2O + 3 Na2SO4
KBr + K(MnO4) + H2SO4 = Br2 + Mn(SO4) + K2(SO4) + H2O =>
10 KBr + 2 K(MnO4) + 8 H2SO4 = 5 Br2 + 2 Mn(SO4) + 6 K2(SO4) + 8 H2O
C3H8OH + O2 = CO2 + H2O =>
4 C3H8OH + 19 O2 = 12 CO2 + 18 H2O
(CH2OH)2CHOH(l) + O2(g) = CO2(g) + H2O(g) =>
2(CH2OH)2CHOH(l) + 7 O2(g) = 6 CO2(g) + 8 H2O(g)
Na2CO3 + Cr(NO3)3 + H2O = NaNO3 + Cr(OH)3 + H2CO3 =>
3 Na2CO3 + 2 Cr(NO3)3 + 6 H2O = 6 NaNO3 + 2 Cr(OH)3 + 3 H2CO3
KMnO4 + HCl = Cl2 + H2O + KCl + MnCl2 =>
2 KMnO4 + 16 HCl = 5 Cl2 + 8 H2O + 2 KCl + 2 MnCl2
(CH2OH)2CHOH(l) + O2(g) = CO2(g) + H2O(g) =>
2(CH2OH)2CHOH(l) + 7 O2(g) = 6 CO2(g) + 8 H2O(g)
S02 + H2 = H2S =>
S02 + 2 H2 = 2 H2S
C6H5NO2 + Sn + HCl = C6H5NH3Cl + SnCl2 + H2O =>
C6H5NO2 + 3 Sn + 7 HCl = C6H5NH3Cl + 3 SnCl2 + 2 H2O
As(OH)3 + (H2SO4) = As2(SO4)3 + H2O =>
2 As(OH)3 + 3(H2SO4) = As2(SO4)3 + 6 H2O
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