| Équations équilibrées la veille | Équations équilibrées le lendemain |
NaHCO3(aq) = NaOH(aq) + CO2(g)
H2C2O4 + K2MnO4 = CO2 + MnC2O4 + K2C2O4 + H2O =>
4 H2C2O4 + K2MnO4 = 4 CO2 + MnC2O4 + K2C2O4 + 4 H2O
CrO3 + H2S + H{+} = Cr{3+} + S + H2O =>
2 CrO3 + 3 H2S + 6 H{+} = 2 Cr{3+} + 3 S + 6 H2O
Al(NO3)2 + K2CO3 = AlCO3 + KNO3 =>
Al(NO3)2 + K2CO3 = AlCO3 + 2 KNO3
HSiCl3 + H2O = H10Si10O15 + HCl =>
10 HSiCl3 + 15 H2O = H10Si10O15 + 30 HCl
Cu2SO4 + (NH4)2CO3 = (NH4)2SO4 + Cu2CO3 =>
Cu2SO4 + (NH4)2CO3 = (NH4)2SO4 + Cu2CO3
NH2 = H4 + N =>
2 NH2 = H4 + 2 N
HCHO2 + KOH = H(OH) + K(CHO2) =>
HCHO2 + KOH = H(OH) + K(CHO2)
FeCl3*6H2O + Na2CO3 = NaCl + Fe2(CO3)3*H2O + H2O =>
2 FeCl3*6H2O + 3 Na2CO3 = 6 NaCl + Fe2(CO3)3*H2O + 11 H2O
Co2 = Co4 =>
2 Co2 = Co4
C5H8O + C7H6O = C19H16O + H2O =>
C5H8O + 2 C7H6O = C19H16O + 2 H2O
MgCO3 + HCOOH = Mg(CO2)2 + H2O =>
MgCO3 + HCOOH = Mg(CO2)2 + H2O
NH3 + (O2)2 = HNO3 + H2O =>
NH3 + (O2)2 = HNO3 + H2O
MnI2 + AgNO3 = AgI + Mn + NO3 =>
MnI2 + 2 AgNO3 = 2 AgI + Mn + 2 NO3
Ca + C = CaC2 =>
Ca + 2 C = CaC2
Al + HSO4 = Al(SO4)3 + H2 =>
2 Al + 6 HSO4 = 2 Al(SO4)3 + 3 H2
(CH2)6N4 + HNO3 + NH4NO3 = (CH2)3N3(NO2)3 + H2O =>
(CH2)6N4 + 4 HNO3 + 2 NH4NO3 = 2(CH2)3N3(NO2)3 + 6 H2O
C6H10O4 + C8H18O = C22H42O4 + H2O =>
C6H10O4 + 2 C8H18O = C22H42O4 + 2 H2O
CuO + K2SO3 = CuSO4 + K =>
CuO + K2SO3 = CuSO4 + 2 K
Ba(OH)2 + H3O = Ba + H2O =>
Ba(OH)2 + 2 H3O = Ba + 4 H2O
Zn + HNO3 = Zn(NO3) + H2O + (NH4)(NO3) =>
8 Zn + 10 HNO3 = 8 Zn(NO3) + 3 H2O + (NH4)(NO3)
Mg + HNO3 = Mg(NO3)2 + N2 + H2O =>
5 Mg + 12 HNO3 = 5 Mg(NO3)2 + N2 + 6 H2O
Fe + O2 + H2O = Fe2O3*10H2O =>
4 Fe + 3 O2 + 20 H2O = 2 Fe2O3*10H2O
H3O + C2H3O2 + NH3 = NH4(C2H3O2) + H2O =>
H3O + C2H3O2 + NH3 = NH4(C2H3O2) + H2O
KMnO4 + H2SO4 + Na2S2O3 = MnSO4 + K2SO4 + Na2HSO4 + H2O =>
14 KMnO4 + 11 H2SO4 + 10 Na2S2O3 = 14 MnSO4 + 7 K2SO4 + 10 Na2HSO4 + 6 H2O
H2CO3 + Pt(OH)4 = Pt2(CO3)4 + H2O =>
4 H2CO3 + 2 Pt(OH)4 = Pt2(CO3)4 + 8 H2O
Zn(NO3)2 + C2H5NO2 = ZnO + CO2 + N2 + H2O =>
9 Zn(NO3)2 + 10 C2H5NO2 = 9 ZnO + 20 CO2 + 14 N2 + 25 H2O
Fe + CuSO4 = Fe2(SO4) + Cu2 =>
4 Fe + 2 CuSO4 = 2 Fe2(SO4) + Cu2
Mg(OH)2 + H3(PO4) = Mg3(PO4)2 + H2O =>
3 Mg(OH)2 + 2 H3(PO4) = Mg3(PO4)2 + 6 H2O
C9H18O2 + NaHCO3 = C9H18OONa + CO2 + H2O =>
51 C9H18O2 + 50 NaHCO3 = 50 C9H18OONa + 59 CO2 + 34 H2O
NaClO4 + Na2S2O4 + NaOH = HCl + Na2SO4 + H2O =>
3 NaClO4 + 4 Na2S2O4 + 5 NaOH = 3 HCl + 8 Na2SO4 + H2O
NH3 + SO4 = (NH3)2SO4 =>
2 NH3 + SO4 = (NH3)2SO4
FeCl2 + K3Fe(CN)6 = Fe3(Fe(CN)6)2 + KCl =>
3 FeCl2 + 2 K3Fe(CN)6 = Fe3(Fe(CN)6)2 + 6 KCl
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
Fe2(C2O4)3 = FeC2O4 + CO2 =>
Fe2(C2O4)3 = 2 FeC2O4 + 2 CO2
As + KBr3O + KOH = KAsO3 + KBr + H2O =>
4 As + 5 KBr3O + 14 KOH = 4 KAsO3 + 15 KBr + 7 H2O
Ca(s) + Al(NO3)3(aq) = Ca3((NO3)3)2(aq) + Al(s) =>
3 Ca(s) + 2 Al(NO3)3(aq) = Ca3((NO3)3)2(aq) + 2 Al(s)
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
H2 + WO3 = HW + O2 =>
H2 + 2 WO3 = 2 HW + 3 O2
C20H14O4 + NaOH = CO2 + Na + H2O =>
C20H14O4 + 86 NaOH = 20 CO2 + 86 Na + 50 H2O
Al + KNO3 + KOH + H2O = NH4OH + K(Al(OH)4) =>
8 Al + 3 KNO3 + 5 KOH + 21 H2O = 3 NH4OH + 8 K(Al(OH)4)
(NH4)2SO4(aq) + KOH(aq) = K2SO4(aq) + NH3(g) + H2O =>
(NH4)2SO4(aq) + 2 KOH(aq) = K2SO4(aq) + 2 NH3(g) + 2 H2O
CaCl2(aq) + K2C2O4(aq) = KCl + CaC2O4 =>
CaCl2(aq) + K2C2O4(aq) = 2 KCl + CaC2O4
AgNO3 + [Co(NH3)5]SO4 = Ag2SO4 + [Co(NH3)5](NO3)2 =>
2 AgNO3 + [Co(NH3)5]SO4 = Ag2SO4 + [Co(NH3)5](NO3)2
Na2S2O2*8H2O = NaSO + H2O =>
Na2S2O2*8H2O = 2 NaSO + 8 H2O
CH3COO(M) + H2SO4 = CH3COOH + (M)HSO4 =>
CH3COO(M) + H2SO4 = CH3COOH + (M)HSO4
Zn + Ag1S1 = ZnS + Ag =>
Zn + Ag1S1 = ZnS + Ag
Ag + Br = AgBr =>
Ag + Br = AgBr
MnO4{-} + S{-2} + H{+} = Mn{+2} + SO2 + H2O =>
6 MnO4{-} + 5 S{-2} + 28 H{+} = 6 Mn{+2} + 5 SO2 + 14 H2O
S2 + H2SO4 = SO2 + H2O =>
S2 + 4 H2SO4 = 6 SO2 + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/27/23
Équations équilibrées sur12/27/22
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