| Équations équilibrées la veille |
2 Na3(Cr(OH)6) + 3 Cl2 + 4 NaOH = 2 Na2CrO4 + 6 NaCl + 8 H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
HCl + C20H14O4 = HC20 + ClO4 + H4O =>
3 HCl + 17 C20H14O4 = 17 HC20 + 3 ClO4 + 56 H4O
Fe(HCO3)3 = Fe2(CO3)3 + CO2 + H2O =>
2 Fe(HCO3)3 = Fe2(CO3)3 + 3 CO2 + 3 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
ZnBr + K2CO3 = BrK + Zn2CO3 =>
2 ZnBr + K2CO3 = 2 BrK + Zn2CO3
Fe(OH)3 + CO2 = FeO2 + C(OH)3 =>
Fe(OH)3 + CO2 = FeO2 + C(OH)3
Ca(OH)2 + H3Po4 = Ca3(Po4)2 + H2O =>
3 Ca(OH)2 + 2 H3Po4 = Ca3(Po4)2 + 6 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Al(NO3)3 + H2S = Al2S3 + HNO3 =>
2 Al(NO3)3 + 3 H2S = Al2S3 + 6 HNO3
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
AlOHBr2 = Al + OH + Br =>
AlOHBr2 = Al + OH + 2 Br
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
MgO + CO3 = MgCO3 + O =>
MgO + CO3 = MgCO3 + O
Fe + HBr = FeBr3 + H2 =>
2 Fe + 6 HBr = 2 FeBr3 + 3 H2
C6H5NH2 + HNO3 = C6H5NH3NO3 =>
C6H5NH2 + HNO3 = C6H5NH3NO3
ZnSO4 + NaOH = Na2SO4 + Zn(OH)2 =>
ZnSO4 + 2 NaOH = Na2SO4 + Zn(OH)2
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NH3 + F2 = N2F4 + HF =>
2 NH3 + 5 F2 = N2F4 + 6 HF
CoCl2 + KCNS = K2[Co(SCN)4] + KCl =>
CoCl2 + 4 KCNS = K2[Co(SCN)4] + 2 KCl
CH3COO + NO2 = CH3NO2 + CO2 =>
CH3COO + NO2 = CH3NO2 + CO2
K(CrO4)2 + HCl = KCl2 + CrCl3 + H2O + Cl =>
K(CrO4)2 + 16 HCl = KCl2 + 2 CrCl3 + 8 H2O + 8 Cl
Fe(OH)3 = (Fe)2(O)3 + (H)2(O) =>
2 Fe(OH)3 = (Fe)2(O)3 + 3(H)2(O)
K2S2O8 = SO2 + K2SO4 + O2 =>
K2S2O8 = SO2 + K2SO4 + O2
CuO + PH3 = Cu + H3PO4 =>
4 CuO + PH3 = 4 Cu + H3PO4
P4S3(s) + O2(g) = P4O6(g) + SO2(g) =>
P4S3(s) + 6 O2(g) = P4O6(g) + 3 SO2(g)
Na1 + F2 = Na1F2 =>
Na1 + F2 = Na1F2
C2H2O4H2O + K2Cr2O7 = K[Cr(C2O4)2(H2O)2] + H2O + CO2 =>
7 C2H2O4H2O + K2Cr2O7 = 2 K[Cr(C2O4)2(H2O)2] + 10 H2O + 6 CO2
Na(OH) + SO3 = Na2(SO4) + H2O =>
2 Na(OH) + SO3 = Na2(SO4) + H2O
H2Se + Ni(OH)2 = Ni(HSe)2 + H2O =>
2 H2Se + Ni(OH)2 = Ni(HSe)2 + 2 H2O
Pb(NO{+3}){+2} + NaI = PbI{+2} + NaNO{+3} =>
Pb(NO{+3}){+2} + NaI = PbI{+2} + NaNO{+3}
CuCl2(aq) + NH3(aq) + H2O = Cu(OH)2(s) + NH4Cl =>
CuCl2(aq) + 2 NH3(aq) + 2 H2O = Cu(OH)2(s) + 2 NH4Cl
C4H10 + Br = C4H9 + HBr =>
C4H10 + Br = C4H9 + HBr
Cd(NO3) + NaOH = Na(NO3) + CdOH =>
Cd(NO3) + NaOH = Na(NO3) + CdOH
HC4H4O6 + O2 = CO2 + H2O =>
4 HC4H4O6 + 9 O2 = 16 CO2 + 10 H2O
KNO3 + Na = K20 + Na2O + N =>
20 KNO3 + 120 Na = K20 + 60 Na2O + 20 N
La(IO3)3 = La + (IO3)2 =>
2 La(IO3)3 = 2 La + 3(IO3)2
BaO2 + HCl = H2O2 + BaCl2 =>
BaO2 + 2 HCl = H2O2 + BaCl2
KF + H2SO4 = K2SO4 + FH =>
2 KF + H2SO4 = K2SO4 + 2 FH
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Fe(OH)3 = (Fe)2(O)3 + (H)2(O) =>
2 Fe(OH)3 = (Fe)2(O)3 + 3(H)2(O)
Cr + HNO3 = Cr(NO3)3 + N2 + H2O =>
10 Cr + 36 HNO3 = 10 Cr(NO3)3 + 3 N2 + 18 H2O
Ba(OH)2 + Cl2 = BaCl2 + Ba(ClO4)2 + H2O =>
8 Ba(OH)2 + 8 Cl2 = 7 BaCl2 + Ba(ClO4)2 + 8 H2O
Zn(NO3)2 + Fe(NO3)3 = Zn(NO3)3 + Fe =>
3 Zn(NO3)2 + Fe(NO3)3 = 3 Zn(NO3)3 + Fe
CH3COOH + O2 = H2CO3 =>
CH3COOH + 2 O2 = 2 H2CO3
PO4 + Ba = Ba3(PO4)2 =>
2 PO4 + 3 Ba = Ba3(PO4)2
C3H6O3(s) + O2(g) = CO2(g) + H2O(l) =>
C3H6O3(s) + 3 O2(g) = 3 CO2(g) + 3 H2O(l)
NH4NO3 = N2 + O2 + H =>
2 NH4NO3 = 2 N2 + 3 O2 + 8 H
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