| Équations équilibrées la veille |
2 NH3 + 9 OF2 = 3 H2O + 9 F2 + 2 NO3
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Mg(NO2)2 + H2O = MgO + HNO2 =>
Mg(NO2)2 + H2O = MgO + 2 HNO2
HNO3 + AI = AI(NO3)3 + NH4NO3 + H2O =>
30 HNO3 + 8 AI = 8 AI(NO3)3 + 3 NH4NO3 + 9 H2O
Cu + MgSO4 = CuSO4 + Mg =>
Cu + MgSO4 = CuSO4 + Mg
Zn + HNO3 = Zn(HNO3) =>
Zn + HNO3 = Zn(HNO3)
Fe{2+} + Zn{+} = Zn{2+} + Fe =>
Fe{2+} + 2 Zn{+} = 2 Zn{2+} + Fe
KAl(SO4)2 + BaCl2 = BaSO4 + KAlCl4 =>
KAl(SO4)2 + 2 BaCl2 = 2 BaSO4 + KAlCl4
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
HCOOH + CaCO3 = Ca(HCOOH)2 + CO2 + H2O =>
3 HCOOH + CaCO3 = Ca(HCOOH)2 + 2 CO2 + H2O
CaB + Cl = CaCl2 + B =>
CaB + 2 Cl = CaCl2 + B
Na2S + Zn(CH3COO)2 = Na(CH3COO) + ZnS =>
Na2S + Zn(CH3COO)2 = 2 Na(CH3COO) + ZnS
Zr + HNO3 = Zr(NO3)4 + NO2 + H2O =>
Zr + 8 HNO3 = Zr(NO3)4 + 4 NO2 + 4 H2O
CrO3 + NaOH = Cr(OH) + NaO3 =>
CrO3 + NaOH = Cr(OH) + NaO3
CH3CH2CHO + CuSO4 + NaOH = CH3CH2COOH + Cu + Na2SO4 + H2O =>
CH3CH2CHO + CuSO4 + 2 NaOH = CH3CH2COOH + Cu + Na2SO4 + H2O
CH3CHCH2 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + CH3COOH =>
10 CH3CHCH2 + 12 KMnO4 + 18 H2SO4 = 6 K2SO4 + 12 MnSO4 + 18 H2O + 15 CH3COOH
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Na2S + Fe(OH)2 = FeS + NaOH =>
Na2S + Fe(OH)2 = FeS + 2 NaOH
C6H5NO2 + Sn + HCl = C6H5NH3 + SnCl4 + H2O =>
4 C6H5NO2 + 7 Sn + 28 HCl = 4 C6H5NH3 + 7 SnCl4 + 8 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Mg + HClO4 = H2 + Mg(ClO4)2 =>
Mg + 2 HClO4 = H2 + Mg(ClO4)2
Ba(OH)2(s) + H2SO4 = BaSO4 + H2O =>
Ba(OH)2(s) + H2SO4 = BaSO4 + 2 H2O
Li3PO4 + NaBr = Na3PO4 + LiBr =>
Li3PO4 + 3 NaBr = Na3PO4 + 3 LiBr
NaOH(s) + HCI(g) = NaCI(s) + H2O(g) =>
NaOH(s) + HCI(g) = NaCI(s) + H2O(g)
AgNO3 + Na2CO3 = Ag2CO3 + NaNO3 =>
2 AgNO3 + Na2CO3 = Ag2CO3 + 2 NaNO3
H2SO4 + Ag = AgSO4 + H2 =>
H2SO4 + Ag = AgSO4 + H2
NaSO4 + CaO = CaSO4 + NaO =>
NaSO4 + CaO = CaSO4 + NaO
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
H2SO4 + H2O2 = H2SO5 + H2O =>
H2SO4 + H2O2 = H2SO5 + H2O
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
K2CrO4 + K2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
8 K2CrO4 + 3 K2S + 20 H2SO4 = 11 K2SO4 + 4 Cr2(SO4)3 + 20 H2O
C10H12O + Br2 = C10H11OBr + HBr =>
C10H12O + Br2 = C10H11OBr + HBr
Mg3N2(s) + H2O(l) = NH3(g) + Mg(OH)2(s) =>
Mg3N2(s) + 6 H2O(l) = 2 NH3(g) + 3 Mg(OH)2(s)
H2SO4 + H2O2 = H2SO5 + H2O =>
H2SO4 + H2O2 = H2SO5 + H2O
Pb(OH)2 + SO2 = Pb2SO4 + H2O =>
2 Pb(OH)2 + SO2 = Pb2SO4 + 2 H2O
(NH4)2CO3 + Br2 = (NH4)2Br + CO3 =>
2(NH4)2CO3 + Br2 = 2(NH4)2Br + 2 CO3
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
NaCI + F2 = NaF + CI =>
2 NaCI + F2 = 2 NaF + 2 CI
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
FeCl3 + (NH4)2C2O4 = (NH4)3[Fe(C2O4)3] + NH4Cl =>
FeCl3 + 3(NH4)2C2O4 = (NH4)3[Fe(C2O4)3] + 3 NH4Cl
Hg + S = Hg2S =>
2 Hg + S = Hg2S
Ai + H2O = Ai2O3 + H2 =>
2 Ai + 3 H2O = Ai2O3 + 3 H2
FeCl2 + KSCN = Fe(SCN)2 + KCl =>
FeCl2 + 2 KSCN = Fe(SCN)2 + 2 KCl
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Co2(SO4)3 = Co2 + SO4 =>
Co2(SO4)3 = Co2 + 3 SO4
Bi + H = BiH3 =>
Bi + 3 H = BiH3
CoCl2 + NH4OH = Co(OH) + NH4(Cl2) =>
CoCl2 + NH4OH = Co(OH) + NH4(Cl2)
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