| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 HNO3 + 5 N2H4 = 7 N2 + 12 H2O
Na3PO4(aq) + Ba(NO3)2 = Ba3(PO4)2(s) + NaNO3(aq) =>
2 Na3PO4(aq) + 3 Ba(NO3)2 = Ba3(PO4)2(s) + 6 NaNO3(aq)
As{+} + H2O2 + NH4OH = NH4{+} + (NH4)3AsO4 + H2O =>
As{+} + 2 H2O2 + 4 NH4OH = NH4{+} + (NH4)3AsO4 + 4 H2O
CuSO4 + Na2CO3 = CuCO3 + Na2SO4 =>
CuSO4 + Na2CO3 = CuCO3 + Na2SO4
As{+3} + H2O2 + NH4OH = NH4{+} + (NH4)3AsO4 + H2O =>
As{+3} + H2O2 + 6 NH4OH = 3 NH4{+} + (NH4)3AsO4 + 4 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Al(OH)3 + H2S = Al2S3 + H2O =>
2 Al(OH)3 + 3 H2S = Al2S3 + 6 H2O
HCl + NaHCO3 = HHCO3 + NaCl =>
HCl + NaHCO3 = HHCO3 + NaCl
K2Cr2O7 + Na2S = KCrO2 + Na2SO3 =>
K2Cr2O7 + Na2S = 2 KCrO2 + Na2SO3
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
Sn + HCl + HNO3 = H2O + SnCl4 + NO2 =>
Sn + 4 HCl + 4 HNO3 = 4 H2O + SnCl4 + 4 NO2
Fe(NH4)(SO4)2 + BaCl2 = BaSO4 + NH4Cl + FeCl3 =>
Fe(NH4)(SO4)2 + 2 BaCl2 = 2 BaSO4 + NH4Cl + FeCl3
Fe2O3(s) + CO(g) = Fe(l) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(l) + 3 CO2(g)
HCl + CA = H2 + CACl2 =>
2 HCl + CA = H2 + CACl2
BaCl2 + CuSO4 = BaSO4 + CuCl2 =>
BaCl2 + CuSO4 = BaSO4 + CuCl2
CH3CH2CH3 + Br2 = CH3CHBrCH3 + HBr =>
CH3CH2CH3 + Br2 = CH3CHBrCH3 + HBr
V2O5 + H2SO4 = VOSO4 + H2O + O2 =>
2 V2O5 + 4 H2SO4 = 4 VOSO4 + 4 H2O + O2
C + H2SO4 = CO2 + SO2 + H2O =>
C + 2 H2SO4 = CO2 + 2 SO2 + 2 H2O
Zn2 + H2SO4 = Zn(SO4)2 + H2 =>
Zn2 + 4 H2SO4 = 2 Zn(SO4)2 + 4 H2
FeS2 + Na2O2 = Fe2O3 + Na2SO4 + Na2O =>
2 FeS2 + 15 Na2O2 = Fe2O3 + 4 Na2SO4 + 11 Na2O
CO(g) + H2(g) = C8H18(l) + H2O =>
8 CO(g) + 17 H2(g) = C8H18(l) + 8 H2O
Sn(s) + AgNO3(aq) = Ag(s) + SnNO3 =>
Sn(s) + AgNO3(aq) = Ag(s) + SnNO3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Zn + H2O = ZnO + H2 =>
Zn + H2O = ZnO + H2
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
KClO3 + P4 = P4O3 + KCl =>
KClO3 + P4 = P4O3 + KCl
NaBr + H2SO4 = Na2SO4 + Br2 + H2O + SO2 =>
2 NaBr + 2 H2SO4 = Na2SO4 + Br2 + 2 H2O + SO2
(CH3)COOH + CuO = ((CH3)COO)2Cu + H2O =>
2(CH3)COOH + CuO = ((CH3)COO)2Cu + H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Zn + Sn2{+} = Zn2{+} + Sn =>
2 Zn + Sn2{+} = Zn2{+} + 2 Sn
K3Fe(CN)6 + Cr2O3 + KOH = K4Fe(CN)6 + K2CrO4 + H2O =>
6 K3Fe(CN)6 + Cr2O3 + 10 KOH = 6 K4Fe(CN)6 + 2 K2CrO4 + 5 H2O
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
NO2 + NH3 + H2O = NH4NO2 =>
6 NO2 + 8 NH3 + 2 H2O = 7 NH4NO2
Cu + C2 = CuC2 =>
Cu + C2 = CuC2
C4H8 + O2 = CO2 + H20 =>
5 C4H8 + 20 O2 = 20 CO2 + 2 H20
NO2 + NH3 + H2O = NH4NO3 =>
8 NO2 + 6 NH3 + 5 H2O = 7 NH4NO3
Cu + Cl2 = CuCl2 =>
Cu + Cl2 = CuCl2
Zn + Sn2{+} = Zn2{+} + Sn =>
2 Zn + Sn2{+} = Zn2{+} + 2 Sn
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Zn + Sn{2+} = Zn2{+} + Sn =>
4 Zn + Sn{2+} = 2 Zn2{+} + Sn
Zn + Sn{2+} = Zn{2+} + Sn =>
Zn + Sn{2+} = Zn{2+} + Sn
NO2 + NH4OH = NH4NO3 + H2O =>
8 NO2 + 6 NH4OH = 7 NH4NO3 + H2O
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
MgO + HBr = MgBr2 + H2O =>
MgO + 2 HBr = MgBr2 + H2O
SeO2 + H2Se = Se + H2O =>
SeO2 + 2 H2Se = 3 Se + 2 H2O
S + KOH = K2S + K2SO4 + H20 =>
10 S + 20 KOH = 5 K2S + 5 K2SO4 + H20
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
HOCH2COOH + NaOH = HOCH2COONa + H2O =>
HOCH2COOH + NaOH = HOCH2COONa + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/03/14
Équations équilibrées sur04/02/13
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