| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Pb + 9 NH4NO3 = 10 NH3 + 4 Pb(NO3)2 + 3 H2O
CaCl2 + LiSO4 = Ca(SO4)2 + LiCl =>
CaCl2 + 2 LiSO4 = Ca(SO4)2 + 2 LiCl
SnCl4(aq) + Zn(s) = Sn(s) + ZnCl2(aq) =>
SnCl4(aq) + 2 Zn(s) = Sn(s) + 2 ZnCl2(aq)
KCrS2O8*25H2O = KCrS2O8 + H2O =>
KCrS2O8*25H2O = KCrS2O8 + 25 H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
P2O3 + Na2CrO4 + NaOH + H2O = Na3[Cr(OH)6] + Na3PO4 =>
3 P2O3 + 4 Na2CrO4 + 22 NaOH + H2O = 4 Na3[Cr(OH)6] + 6 Na3PO4
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
N2O2 = N2O + O2 =>
2 N2O2 = 2 N2O + O2
Zn(NO2)2 + H3PO4 = Zn3(PO4)2 + HNO2 =>
3 Zn(NO2)2 + 2 H3PO4 = Zn3(PO4)2 + 6 HNO2
KMnO4 + U(SO4)2 + H2O = K2SO4 + H2SO4 + MnSO4 + UO2SO4 =>
2 KMnO4 + 5 U(SO4)2 + 2 H2O = K2SO4 + 2 H2SO4 + 2 MnSO4 + 5 UO2SO4
Sb + HNO3 = Sb(NO3)3 + H2O + NO =>
Sb + 4 HNO3 = Sb(NO3)3 + 2 H2O + NO
CrCl3 + Ba(OH)2 = Cr(OH)2 + BaCl3 =>
CrCl3 + Ba(OH)2 = Cr(OH)2 + BaCl3
Cd + Cl2 = Cl3Cd =>
2 Cd + 3 Cl2 = 2 Cl3Cd
BaCl2 + CH3COOH = Ba(CH3COO)2 + HCl =>
BaCl2 + 2 CH3COOH = Ba(CH3COO)2 + 2 HCl
COOH + CH + NH4OH = C2H7NO2 =>
COOH + 3 CH + 2 NH4OH = 2 C2H7NO2
Ca + Na2O = Na + CaO =>
Ca + Na2O = 2 Na + CaO
Al(H2O)6 + OH = Al(H2O)3(OH)3 + H2O =>
Al(H2O)6 + 3 OH = Al(H2O)3(OH)3 + 3 H2O
HCOOCH3NH3 + NaOH = HCOONa + CH3NH2 + H2O =>
HCOOCH3NH3 + NaOH = HCOONa + CH3NH2 + H2O
KBrO3 + SnCl2 + HCl = KBr + SnCl4 + H2O =>
KBrO3 + 3 SnCl2 + 6 HCl = KBr + 3 SnCl4 + 3 H2O
WO3 + C = WCO3 =>
WO3 + C = WCO3
Fe = Fe2 =>
2 Fe = Fe2
C2H2ClO2 + H2O = HC2H2ClO2 + OH =>
C2H2ClO2 + H2O = HC2H2ClO2 + OH
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
S2O3{-3} + I2 = I{-} + S4O6{2-} =>
2 S2O3{-3} + 2 I2 = 4 I{-} + S4O6{2-}
H2 + O = HO =>
H2 + 2 O = 2 HO
HNO3 + S(s) = H2O + H2SO4 + NO2 =>
6 HNO3 + S(s) = 2 H2O + H2SO4 + 6 NO2
CuSO4 + NaHCO3 = CuO + Na2SO4 + CO2 + H2O =>
CuSO4 + 2 NaHCO3 = CuO + Na2SO4 + 2 CO2 + H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
C18H34O2 + NaOH + KMnO4 = C18H36O4 + Na2O + KOH + MnO2 =>
3 C18H34O2 + 8 NaOH + 2 KMnO4 = 3 C18H36O4 + 4 Na2O + 2 KOH + 2 MnO2
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
NH4Cl + Ca(OH)2 = CaCl2 + H2O + NH3 =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 H2O + 2 NH3
K3(PO4) + MgCl2 = K2Mg + Cl3(PO4) =>
2 K3(PO4) + 3 MgCl2 = 3 K2Mg + 2 Cl3(PO4)
H2O(l)SO2(g) = H2SO3(g) =>
H2O(l)SO2(g) = H2SO3(g)
PbS2 = PbS + S8 =>
8 PbS2 = 8 PbS + S8
C10H14N2Na2O8 + FeSO4 = Na2SO4 + C10H14N2FeO8 =>
C10H14N2Na2O8 + FeSO4 = Na2SO4 + C10H14N2FeO8
Au(s) + CuSO4(aq) = Cu + AuSO4 =>
Au(s) + CuSO4(aq) = Cu + AuSO4
CrO4(NH4)2 + CuSO4*5H2O = CuO + Cu2Cr2O5 + SO2 + N + H2O =>
2 CrO4(NH4)2 + 3 CuSO4*5H2O = CuO + Cu2Cr2O5 + 3 SO2 + 4 N + 23 H2O
P2 + O3 = PO =>
3 P2 + 2 O3 = 6 PO
CH4(g) + O2(g) = CO2(g) + H2O(g) =>
CH4(g) + 2 O2(g) = CO2(g) + 2 H2O(g)
B2O3 = B + O3 =>
B2O3 = 2 B + O3
SnO2 + C + Cl2 = SnCl4 + CO =>
SnO2 + 2 C + 2 Cl2 = SnCl4 + 2 CO
C02 + O2 = C3O2 =>
3 C02 + 2 O2 = 2 C3O2
CH3I + NaOH = CH3OH + NaI =>
CH3I + NaOH = CH3OH + NaI
sulfuricacid + Sodiumhydroxide = sodiumsulfate + water =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CaCO3 + H3PO4 = CaHPO4 + H2CO3 =>
CaCO3 + H3PO4 = CaHPO4 + H2CO3
Cr(OH)3 + ClO + NaOH = Na2CrO4 + Cl + H2O =>
2 Cr(OH)3 + 3 ClO + 4 NaOH = 2 Na2CrO4 + 3 Cl + 5 H2O
Mn + NH4Cl + H2O = MnCl + NH3H2O + H =>
Mn + NH4Cl + H2O = MnCl + NH3H2O + H
NO2 + Hg(NO3)2 + H2O = Hg + HNO3 =>
2 NO2 + Hg(NO3)2 + 2 H2O = Hg + 4 HNO3
C57H104O6 + KOH = C3H8O3 + C18H33O2K =>
C57H104O6 + 3 KOH = C3H8O3 + 3 C18H33O2K
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