| Équations équilibrées la veille |
16 Cr + 3 S8 = 8 Cr2S3
AlCl3 + Ba(OH)2 = BaCl2 + Al(OH)3 =>
2 AlCl3 + 3 Ba(OH)2 = 3 BaCl2 + 2 Al(OH)3
Na2CO3 + Al2Cl6 = Al2(CO3)3 + NaCl =>
3 Na2CO3 + Al2Cl6 = Al2(CO3)3 + 6 NaCl
Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3
C9H18O4 + O2 = H2O + CO2 =>
2 C9H18O4 + 23 O2 = 18 H2O + 18 CO2
P2O5 + NaOH + H2O = NaH2PO4 =>
P2O5 + 2 NaOH + H2O = 2 NaH2PO4
NH4HCO3 + H7NO2 = NH4NO3 + H2O + C4H10O =>
4 NH4HCO3 + 2 H7NO2 = 3 NH4NO3 + 6 H2O + C4H10O
CrO7{2-} + CH3OH + H{+} = HCO2H + Cr{3+} + H2O =>
4 CrO7{2-} + 9 CH3OH + 20 H{+} = 9 HCO2H + 4 Cr{3+} + 19 H2O
Fe203 + SO2 = FeS3O6 =>
Fe203 + 609 SO2 = 203 FeS3O6
Si + NaOH + H2O = NaSiO3 + H2 =>
2 Si + 2 NaOH + 4 H2O = 2 NaSiO3 + 5 H2
HNo3 + Mn(OH)2 = H2O + Mn(No3)2 =>
2 HNo3 + Mn(OH)2 = 2 H2O + Mn(No3)2
CaO + Br2 = CaBr2 + O =>
CaO + Br2 = CaBr2 + O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Fe203 + SO2 = FeS3O6 =>
Fe203 + 609 SO2 = 203 FeS3O6
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
CaO + H2CO3 = CaCO3 + H2O =>
CaO + H2CO3 = CaCO3 + H2O
ethylene + KMnO4 + KOH = CO2 + K2MnO4 + H2O =>
C2H4 + 12 KMnO4 + 12 KOH = 2 CO2 + 12 K2MnO4 + 8 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C4H10 + O2CO2 + H2O = C6H12O6 =>
8 C4H10 + 10 O2CO2 + 2 H2O = 7 C6H12O6
Na2SO4 + HCl = H2SO4 + NaCl =>
Na2SO4 + 2 HCl = H2SO4 + 2 NaCl
HSO4 + NaCO3 = HCO3 + NaSO4 =>
HSO4 + NaCO3 = HCO3 + NaSO4
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
C6H14 + NaHCO3 = C6H13O2 + Na + H2O =>
39 C6H14 + 30 NaHCO3 = 44 C6H13O2 + 30 Na + 2 H2O
NaCl + NH4OH + CO2 = NaHCO3 + NH4Cl =>
NaCl + NH4OH + CO2 = NaHCO3 + NH4Cl
C2H3 + KMnO4 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
10 C2H3 + 22 KMnO4 + 33 H2SO4 = 20 CO2 + 11 K2SO4 + 22 MnSO4 + 48 H2O
BaBr2 + AgNo3 = Ba(No3)2 + AgBr =>
BaBr2 + 2 AgNo3 = Ba(No3)2 + 2 AgBr
CaO + Br2 = CaBr2 + O =>
CaO + Br2 = CaBr2 + O
F2 + KI = KF + I =>
F2 + 2 KI = 2 KF + 2 I
FeCl2 + Na2SO4 = NaCl + FeSO4 =>
FeCl2 + Na2SO4 = 2 NaCl + FeSO4
BaBr2 + AgNo3 = Ba(No3)2 + AgBr =>
BaBr2 + 2 AgNo3 = Ba(No3)2 + 2 AgBr
Pb(ClO3)2 + BaBr2 = Ba(ClO3)2 + PbBr2 =>
Pb(ClO3)2 + BaBr2 = Ba(ClO3)2 + PbBr2
Na2SO3 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + Na2SO4 + H2O =>
5 Na2SO3 + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 5 Na2SO4 + 3 H2O
NaOH + HCOONa + KMnO4 = Na2MnO4 + K2CO3 + H2O =>
3 NaOH + HCOONa + 2 KMnO4 = 2 Na2MnO4 + K2CO3 + 2 H2O
HOOCCH2CHOHCOOH + NaOH = HOOCCH2CHOHCOONa + H2O =>
HOOCCH2CHOHCOOH + NaOH = HOOCCH2CHOHCOONa + H2O
N2O5 = NO2 + O2 =>
2 N2O5 = 4 NO2 + O2
N2H4 + H2O2 = N2 + H2O =>
N2H4 + 2 H2O2 = N2 + 4 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Na2SO4 + Ba(CH3COO)2 = Na(CH3COO) + BaSO4 =>
Na2SO4 + Ba(CH3COO)2 = 2 Na(CH3COO) + BaSO4
NaOH + HCOONa + KMnO4 = Na2MnO4 + K2CO3 + H2O =>
3 NaOH + HCOONa + 2 KMnO4 = 2 Na2MnO4 + K2CO3 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2Te = H + Te =>
H2Te = 2 H + Te
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
SO2 + KMnO4 + HCl = K2SO4 + MnSO4 + Cl2 + H2O =>
3 SO2 + 2 KMnO4 + 4 HCl = K2SO4 + 2 MnSO4 + 2 Cl2 + 2 H2O
C3H6 + C2H5OH = C5H12O =>
C3H6 + C2H5OH = C5H12O
KCl2 + CH2Cl2 + Br = KCl4 + CH2Br =>
KCl2 + CH2Cl2 + Br = KCl4 + CH2Br
CaO + Br2 = CaBr2 + O =>
CaO + Br2 = CaBr2 + O
Fe203 + SO2 = FeS3O6 =>
Fe203 + 609 SO2 = 203 FeS3O6
NaOH + HCOONa + KMnO4 = Na2MnO4 + K2CO3 + H2O =>
3 NaOH + HCOONa + 2 KMnO4 = 2 Na2MnO4 + K2CO3 + 2 H2O
KCl2 + CH2Cl2 + Br = KCl4 + CH2Br =>
KCl2 + CH2Cl2 + Br = KCl4 + CH2Br
NaOH + HCOONa + KMnO4 = Na2MnO4 + K2CO3 + H2O =>
3 NaOH + HCOONa + 2 KMnO4 = 2 Na2MnO4 + K2CO3 + 2 H2O
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