| Équations équilibrées la veille | Équations équilibrées le lendemain |
MnO2 + 4 OH = MnO4 + 2 H2O
B + H2SO4 = H3BO3 + SO2 =>
2 B + 3 H2SO4 = 2 H3BO3 + 3 SO2
C2H6O + KMnO4 + NaOH = Na2MnO4 + K2MnO4 + H2O + C2H4O2 =>
C2H6O + 4 KMnO4 + 4 NaOH = 2 Na2MnO4 + 2 K2MnO4 + 3 H2O + C2H4O2
H4 + Cl1 = HCl =>
H4 + 4 Cl1 = 4 HCl
CH3COOH + NaHCO3 = Na + H2O + CH3COO =>
9 CH3COOH + 2 NaHCO3 = 2 Na + 4 H2O + 10 CH3COO
KNO3 + C12H22O11 = CO2 + H2O + KNO2 =>
24 KNO3 + C12H22O11 = 12 CO2 + 11 H2O + 24 KNO2
Ca(C2H3O2)2 + Na2S = NaC2H3O2 + CaS =>
Ca(C2H3O2)2 + Na2S = 2 NaC2H3O2 + CaS
Ba(HCO3)2 = BaCO3(s) + H2O(g) + CO2(g) =>
Ba(HCO3)2 = BaCO3(s) + H2O(g) + CO2(g)
KBr(aq) + I2(g) = KI(aq) + Br2(g) =>
2 KBr(aq) + I2(g) = 2 KI(aq) + Br2(g)
C + O2 = C2O2 =>
2 C + O2 = C2O2
Na2SO3 + H2S = Na2S + H2SO3 =>
Na2SO3 + H2S = Na2S + H2SO3
PCl3(l) + H2(g) = PH3(g) + HCl(g) =>
PCl3(l) + 3 H2(g) = PH3(g) + 3 HCl(g)
Mg(NO3)2 + Na2(CrO4) = Mg(CrO4) + Na(NO3) =>
Mg(NO3)2 + Na2(CrO4) = Mg(CrO4) + 2 Na(NO3)
SrS + Pb(NO3)2 = Sr(NO3)2 + PbS =>
SrS + Pb(NO3)2 = Sr(NO3)2 + PbS
HCl + C6H5COONa = NaCl + C6H5COOH =>
HCl + C6H5COONa = NaCl + C6H5COOH
Mg2P2O7 + HCl + H = MgCl2 + H3PO3 + O2 =>
2 Mg2P2O7 + 8 HCl + 4 H = 4 MgCl2 + 4 H3PO3 + O2
Sb2O5 + KOH + H2O = KSb(OH)6 =>
Sb2O5 + 2 KOH + 5 H2O = 2 KSb(OH)6
C17H19NO3 + H2O2 = CO2 + H2O + HNO3 =>
C17H19NO3 + 43 H2O2 = 17 CO2 + 52 H2O + HNO3
KCrO2 + HBr = CrBr3 + KOH + H2O =>
KCrO2 + 3 HBr = CrBr3 + KOH + H2O
AgO + HNO3 = Ag + NO3 + H2O =>
AgO + 2 HNO3 = Ag + 2 NO3 + H2O
FeS2(aq) + O2(g) = Fe2O3(s) + SO2(g) =>
4 FeS2(aq) + 11 O2(g) = 2 Fe2O3(s) + 8 SO2(g)
C6H5NH2 + Br2 = C6H2Br3NH2 + HBr =>
C6H5NH2 + 3 Br2 = C6H2Br3NH2 + 3 HBr
Mg2O2 = Mg2 + O2 =>
Mg2O2 = Mg2 + O2
CO2(g) + H2O(l) = C6H12O6(l) + O2(g) =>
6 CO2(g) + 6 H2O(l) = C6H12O6(l) + 6 O2(g)
Mn(NO3)2 + NaOH = Mn(OH)2 + NaNO3 =>
Mn(NO3)2 + 2 NaOH = Mn(OH)2 + 2 NaNO3
Cu(NO3)2 + AgBr = CuBr2 + AgNO3 =>
Cu(NO3)2 + 2 AgBr = CuBr2 + 2 AgNO3
(NH4)2C2O4 + KOH = H2O + NH3 + K2C2O4 =>
(NH4)2C2O4 + 2 KOH = 2 H2O + 2 NH3 + K2C2O4
TiH2 + NH4Cl = TiN + H2 + HCl =>
2 TiH2 + 2 NH4Cl = 2 TiN + 5 H2 + 2 HCl
Sr + H2O = SrHO + H2 =>
2 Sr + 2 H2O = 2 SrHO + H2
KSCN + KMnO4 + H2SO4 = MnSO4 + N2 + CO2 + K2SO4 + H2O =>
10 KSCN + 22 KMnO4 + 28 H2SO4 = 22 MnSO4 + 5 N2 + 10 CO2 + 16 K2SO4 + 28 H2O
S2O3{2-} + Br2 + H2O = SO4{2-} + Br{-} + H{+} =>
S2O3{2-} + 4 Br2 + 5 H2O = 2 SO4{2-} + 8 Br{-} + 10 H{+}
I2 + Br2 + H2O = HIO3 + HBr =>
I2 + 5 Br2 + 6 H2O = 2 HIO3 + 10 HBr
(NH4)2S + Ba(OH)2 = BaS + NH3 + HOH =>
(NH4)2S + Ba(OH)2 = BaS + 2 NH3 + 2 HOH
NaIO4(aq) + CoCl3(aq) = NaCl(aq) + Co(IO4)3(aq) =>
3 NaIO4(aq) + CoCl3(aq) = 3 NaCl(aq) + Co(IO4)3(aq)
C6H8O7 + HNO3 + H2SO4 = C2H2N2S + H2O + CO2 =>
13 C6H8O7 + 18 HNO3 + 9 H2SO4 = 9 C2H2N2S + 61 H2O + 60 CO2
Ba(NO3)2 + Mn(NO3)2*4H2O + Zn(NO3)2*6H2O + Fe(NO3)3*6H2O = Ba2ZnMnFe12O22 + H2O + NO2 + O2 =>
2 Ba(NO3)2 + Mn(NO3)2*4H2O + Zn(NO3)2*6H2O + 12 Fe(NO3)3*6H2O = Ba2ZnMnFe12O22 + 82 H2O + 44 NO2 + 11 O2
ZnO*ZnSO4 = Zn + SO4 + O2 =>
2 ZnO*ZnSO4 = 4 Zn + 2 SO4 + O2
Na2[Fe(CN)5NO] + NH3 + NaOH = Na3[Fe(CN)5NH3] + N2 + H2O =>
Na2[Fe(CN)5NO] + 2 NH3 + NaOH = Na3[Fe(CN)5NH3] + N2 + 2 H2O
CO2 + HF = CF4 + H2O =>
CO2 + 4 HF = CF4 + 2 H2O
C + O2 = CO2 =>
C + O2 = CO2
Si(s) + C(s) = SiC(g) =>
Si(s) + C(s) = SiC(g)
HO0 + CO2 = C6H12O6 + O2 =>
12 HO0 + 6 CO2 = C6H12O6 + 9 O2
HOBr = HBr + HBrO3 =>
3 HOBr = 2 HBr + HBrO3
KNC + HBr = KBr + HCN =>
KNC + HBr = KBr + HCN
H2PO3H + NaOH = Na2PO3H + H2O =>
H2PO3H + 2 NaOH = Na2PO3H + 2 H2O
NaOH(aq) + FeSO4(aq) = Na2SO4 + (OH)2Fe =>
2 NaOH(aq) + FeSO4(aq) = Na2SO4 + (OH)2Fe
(C6H5)2CO + CH(CH3)2OH = (C6H5)2C(OH)C(C6H5)2OH + (CH3)2CO =>
2(C6H5)2CO + CH(CH3)2OH = (C6H5)2C(OH)C(C6H5)2OH + (CH3)2CO
H2 + S + O2 = H2SO4 =>
H2 + S + 2 O2 = H2SO4
Al + Cl2 + O2 = Al(ClO3)3 =>
2 Al + 3 Cl2 + 9 O2 = 2 Al(ClO3)3
C19H14O2 + O2 = CO2 + C12H22O11 =>
22 C19H14O2 + 305 O2 = 250 CO2 + 14 C12H22O11
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