| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 NaCO3 + 10 C + N2 = 2 Na2CN + 12 CO
CH4 + VO2 = V3O5 + H2 + CO =>
CH4 + 3 VO2 = V3O5 + 2 H2 + CO
Mg(HCO3)2 + H2SO4 = MgSO4 + H2CO3 =>
Mg(HCO3)2 + H2SO4 = MgSO4 + 2 H2CO3
CaSO4 + LiF = Li2SO4 + CaF2 =>
CaSO4 + 2 LiF = Li2SO4 + CaF2
(NH4)2SO4(t) = NH3 + H2SO4 =>
(NH4)2SO4(t) = 2 NH3 + H2SO4
C10H8OH + C4H9I + NaOH = C14H16O + NaI + H2O =>
28 C10H8OH + 21 C4H9I + 21 NaOH = 26 C14H16O + 21 NaI + 23 H2O
(Ag(NH3)2)2SO4 = Ag(NH3)2{+} + SO4{2-} =>
(Ag(NH3)2)2SO4 = 2 Ag(NH3)2{+} + SO4{2-}
KHCO3 + HCl = CO2 + H2O + KCl =>
KHCO3 + HCl = CO2 + H2O + KCl
P + H2O + Br2 = H3PO3 + HBr =>
2 P + 6 H2O + 3 Br2 = 2 H3PO3 + 6 HBr
Pb(NO3)2 + Cu(OH)2 = Cu(NO3)2 + Pb(OH)2 =>
Pb(NO3)2 + Cu(OH)2 = Cu(NO3)2 + Pb(OH)2
Cl2 + O2 = Cl2O7 =>
2 Cl2 + 7 O2 = 2 Cl2O7
HNO3 + Mg(OH)2 = Mg(NO3)2 + H2O =>
2 HNO3 + Mg(OH)2 = Mg(NO3)2 + 2 H2O
H3PO4 + NaOCl = Cl2 + H2O + O2 + Na3PO4 =>
4 H3PO4 + 12 NaOCl = 6 Cl2 + 6 H2O + 3 O2 + 4 Na3PO4
C10H16 + O2 = CO2 + H2O =>
C10H16 + 14 O2 = 10 CO2 + 8 H2O
NaOCl + H2C6H6O6 = NaC6H6O6 + H2OCl =>
NaOCl + H2C6H6O6 = NaC6H6O6 + H2OCl
(NH4)2CO3 + LiOH = (NH4)OH + Li2CO3 =>
(NH4)2CO3 + 2 LiOH = 2(NH4)OH + Li2CO3
NH4NO3 + NaOH = NH3 + H2O + NaNO3 =>
NH4NO3 + NaOH = NH3 + H2O + NaNO3
Cr + H{+} = Cr{+3} + H2 =>
2 Cr + 6 H{+} = 2 Cr{+3} + 3 H2
NH4Cl + Zn = NH4Zn + Cl =>
NH4Cl + Zn = NH4Zn + Cl
CuC2O4 + NH4OH = Cu(OH)2 + H2C2O4 + NH3 =>
CuC2O4 + 2 NH4OH = Cu(OH)2 + H2C2O4 + 2 NH3
KMnO4 + Na2CO3 + KNO2 = Na2MnO4 + KNO3 + CO2 + K2MnO4 =>
2 KMnO4 + Na2CO3 + KNO2 = Na2MnO4 + KNO3 + CO2 + K2MnO4
H2SO3 + CaCO3 = CaSO3 + H2O + CO2 =>
H2SO3 + CaCO3 = CaSO3 + H2O + CO2
KMnO4 + H2SO4 + Na2C2O4 = MnSO4 + CO2 + H2O + Na2SO4 + K2SO4 =>
2 KMnO4 + 8 H2SO4 + 5 Na2C2O4 = 2 MnSO4 + 10 CO2 + 8 H2O + 5 Na2SO4 + K2SO4
Ca(NO3)2 + HCl = CaCl2 + NHO3 =>
Ca(NO3)2 + 2 HCl = CaCl2 + 2 NHO3
Al + NiSO4 = Al2(SO4)3 + Ni =>
2 Al + 3 NiSO4 = Al2(SO4)3 + 3 Ni
Si + NH4ClO4 = SiO2 + SiCl4 + NO + H2O =>
3 Si + 4 NH4ClO4 = 2 SiO2 + SiCl4 + 4 NO + 8 H2O
K + CaS = KCaS =>
K + CaS = KCaS
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + I2 + K3SO4 + H2O =>
K2Cr2O7 + 10 KI + 7 H2SO4 = Cr2(SO4)3 + 5 I2 + 4 K3SO4 + 7 H2O
Zn + HNo3 = H + Zn(No3)2 =>
Zn + 2 HNo3 = 2 H + Zn(No3)2
KI(s) = K(s) + I2(g) =>
2 KI(s) = 2 K(s) + I2(g)
C3H6 + KMnO4 + KOH = K2MnO4 + C3H8O2 =>
C3H6 + 2 KMnO4 + 2 KOH = 2 K2MnO4 + C3H8O2
PbO2 + SO4 + I2 = PbSO4 + IO3 =>
3 PbO2 + 3 SO4 + I2 = 3 PbSO4 + 2 IO3
H2C2O4(H2O)2 + K2Cr2O7 = K[Cr(C2O4)2(H20)2](H2O)2 + H2O + CO2 =>
47 H2C2O4(H2O)2 + K2Cr2O7 = 2 K[Cr(C2O4)2(H20)2](H2O)2 + 97 H2O + 86 CO2
NaCrO2 + PbO2 + NaOH = Na2CrO4 + Na2PbO2 + H2O =>
2 NaCrO2 + 3 PbO2 + 8 NaOH = 2 Na2CrO4 + 3 Na2PbO2 + 4 H2O
Mg3P2 + HOH = PH3 + Mg(OH)2 =>
Mg3P2 + 6 HOH = 2 PH3 + 3 Mg(OH)2
Ba(OH)2 + H4 = Ba2 + H2O =>
2 Ba(OH)2 + H4 = Ba2 + 4 H2O
Ag + KCN + O2 + H = KAg(CN)2 + KOH =>
2 Ag + 4 KCN + O2 + 2 H = 2 KAg(CN)2 + 2 KOH
NO2 + H2S = NO + S + H2O =>
NO2 + H2S = NO + S + H2O
Cr2O3 + Na2CO3 + KNO3 = Na2CrO4 + CO2 + KNO2 =>
Cr2O3 + 2 Na2CO3 + 3 KNO3 = 2 Na2CrO4 + 2 CO2 + 3 KNO2
AgCl + Cu = Ag + CuCl2 =>
2 AgCl + Cu = 2 Ag + CuCl2
KBrO4 + K2SO3 + H2O = Br2 + K2SO4 + KOH =>
2 KBrO4 + 7 K2SO3 + H2O = Br2 + 7 K2SO4 + 2 KOH
Fe3(OH)3 = Fe + OH =>
Fe3(OH)3 = 3 Fe + 3 OH
C2H1206 + O2 = C2 + H2O =>
2 C2H1206 + 603 O2 = 2 C2 + 1206 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Ag + KCN + O2 + H = KAg(CN)2 + KOH =>
2 Ag + 4 KCN + O2 + 2 H = 2 KAg(CN)2 + 2 KOH
Fe4O + Zn = Fe + ZnO =>
Fe4O + Zn = 4 Fe + ZnO
FeCl3 + (NH4)2SO4 = N2 + FeCl2 + SO3 + HCl + H2O =>
6 FeCl3 + (NH4)2SO4 = N2 + 6 FeCl2 + SO3 + 6 HCl + H2O
CHH3OH + O2 = CO2 + H2O =>
4 CHH3OH + 7 O2 = 4 CO2 + 10 H2O
Ca + HNO3 = Ca(NO3)2 + H2 =>
Ca + 2 HNO3 = Ca(NO3)2 + H2
HCNS + KMnO4 + H2SO4 = MnSO4 + HCN + K2SO4 + H2O =>
5 HCNS + 6 KMnO4 + 4 H2SO4 = 6 MnSO4 + 5 HCN + 3 K2SO4 + 4 H2O
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