| Équations équilibrées la veille |
CaBr2(aq) + Cl2(g) = CaCl2(s) + Br2(s)
Cr2O3(s) + CS2(l) = Cr2S3(s) + CO2(g) =>
2 Cr2O3(s) + 3 CS2(l) = 2 Cr2S3(s) + 3 CO2(g)
Hydrogensulfide + fluorine = sulfurtetrafluoride + hydrogenfluoride =>
H2S + 3 F2 = SF4 + 2 HF
CaCO3 + NaOH + HCl = NaHCO3 + CaCl2 + H2O =>
CaCO3 + NaOH + 2 HCl = NaHCO3 + CaCl2 + H2O
NC4H8N + CH3COOH = HNC4H8NH + CH3COO =>
NC4H8N + 2 CH3COOH = HNC4H8NH + 2 CH3COO
Cr + Ag2SO3 = Cr2(SO3)3 + Ag =>
2 Cr + 3 Ag2SO3 = Cr2(SO3)3 + 6 Ag
Al2O3 + H2 = Al + H2O =>
Al2O3 + 3 H2 = 2 Al + 3 H2O
AlI3 + NaOH = Al(OH)3 + NaI =>
AlI3 + 3 NaOH = Al(OH)3 + 3 NaI
K2MnO4 + KI + H2SO4 = I2 + MnSO4 + H2O + K2O =>
K2MnO4 + 4 KI + H2SO4 = 2 I2 + MnSO4 + H2O + 3 K2O
K2CrO4 + K2SO3 + KOH + H2O = K2SO4 + K3[Cr(OH)6] =>
2 K2CrO4 + 3 K2SO3 + 2 KOH + 5 H2O = 3 K2SO4 + 2 K3[Cr(OH)6]
C2H6O + Cr2O7{2-} + H{+} = C2H4O2 + Cr{3+} + H2O =>
3 C2H6O + 2 Cr2O7{2-} + 16 H{+} = 3 C2H4O2 + 4 Cr{3+} + 11 H2O
Ca(OH)2 + Na2SO4 = Na2(OH)2 + CaSO4 =>
Ca(OH)2 + Na2SO4 = Na2(OH)2 + CaSO4
Cu + H2S04 = Cu2S04 + H2 =>
2 Cu + H2S04 = Cu2S04 + H2
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
H{+} + NO3{-} + Fe{+2} = Fe{+3} + NO + H2O =>
4 H{+} + NO3{-} + 3 Fe{+2} = 3 Fe{+3} + NO + 2 H2O
Cu2(OH)2CO3 + HCl = CuCl2 + H2O(l) + CO2(g) =>
Cu2(OH)2CO3 + 4 HCl = 2 CuCl2 + 3 H2O(l) + CO2(g)
NC4H8N + CH3COOH = HNC4H8NH + CH3COO =>
NC4H8N + 2 CH3COOH = HNC4H8NH + 2 CH3COO
Fe + H = FeH3 =>
Fe + 3 H = FeH3
Zn{2+} + Ba = Ba{2+} + Zn =>
Zn{2+} + Ba = Ba{2+} + Zn
H + Fe = HFe =>
H + Fe = HFe
NaHCO3(heat) = Na2CO3(s) + CO2(g) + H2O(g) =>
2 NaHCO3(heat) = Na2CO3(s) + CO2(g) + H2O(g)
Fe + H = FeH =>
Fe + H = FeH
NiS + O = Ni2O + SO2 =>
2 NiS + 5 O = Ni2O + 2 SO2
Fe + H = FeH2 =>
Fe + 2 H = FeH2
Al + Fe3N2 = AlN + Fe =>
2 Al + Fe3N2 = 2 AlN + 3 Fe
KCIO3 + I2 = KIO3 + CI2 =>
KCIO3 + I2 = KIO3 + CI2
K2CrO4 + SnCl2 + H2SO4 = SnSO4 + H2CrO4 + KCl =>
K2CrO4 + SnCl2 + H2SO4 = SnSO4 + H2CrO4 + 2 KCl
CH3CH2CH2CH2CH2CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH2CH2CH2CH2CH3 + 25 O2 = 16 CO2 + 18 H2O
HCH3COO + HCO3 = H2O + CO2 =>
HCH3COO + 8 HCO3 = 6 H2O + 10 CO2
HgCl2 + N2H4 = Hg + N2 + ClH =>
2 HgCl2 + N2H4 = 2 Hg + N2 + 4 ClH
C8H10O + C4H6O3 = C10H12O2 + H2O =>
2 C8H10O + C4H6O3 = 2 C10H12O2 + H2O
Ba3(PO4)2 + H3PO4 = BaHPO4 =>
Ba3(PO4)2 + H3PO4 = 3 BaHPO4
Sr + H2SO4 = H2 + Sr2SO4 =>
2 Sr + H2SO4 = H2 + Sr2SO4
Zn + KOH = K2ZnO2 + H2 =>
Zn + 2 KOH = K2ZnO2 + H2
NaC6H5CO2 + HCl = C7H6O2 + NaCl =>
NaC6H5CO2 + HCl = C7H6O2 + NaCl
NaF + O = Na2O + F =>
2 NaF + O = Na2O + 2 F
KOH + PO4 = K3PO4 + OH =>
3 KOH + PO4 = K3PO4 + 3 OH
NaC6H5CO2 + HCl = C6H6 + NaCl + CO2 =>
NaC6H5CO2 + HCl = C6H6 + NaCl + CO2
KNO2 + H2SO4 + K2Cr2O7 = KNO3 + K2SO4 + Cr2(SO4)3 + H2O =>
3 KNO2 + 4 H2SO4 + K2Cr2O7 = 3 KNO3 + K2SO4 + Cr2(SO4)3 + 4 H2O
FeCl2 + FeCl3*9H2O + NaOH = Fe3O4 + NaCl + H2O =>
FeCl2 + 2 FeCl3*9H2O + 8 NaOH = Fe3O4 + 8 NaCl + 22 H2O
C5H11OH + O2 = CO2 + H2O =>
2 C5H11OH + 15 O2 = 10 CO2 + 12 H2O
Cu + AgF = CuF2 + Ag =>
Cu + 2 AgF = CuF2 + 2 Ag
Bi2S3 + HNO3 = Bi(NO3)3 + NO + S + H2O =>
Bi2S3 + 8 HNO3 = 2 Bi(NO3)3 + 2 NO + 3 S + 4 H2O
Mg + C6H8O7 = Mg3(C6H5O7)2 + H2 =>
3 Mg + 2 C6H8O7 = Mg3(C6H5O7)2 + 3 H2
SO2 + KMnO4 = MnSO4 + SO4 + K2SO4 =>
4 SO2 + 2 KMnO4 = 2 MnSO4 + SO4 + K2SO4
P2O3 + H2O = H3P + OHO =>
P2O3 + 5 H2O = 2 H3P + 4 OHO
Na2C2O4 = Na2O + CO + CO2 =>
Na2C2O4 = Na2O + CO + CO2
Sr(NO3)2 + CuSO4*5H2O = SrSO4 + Cu(NO3)2*5H2O =>
Sr(NO3)2 + CuSO4*5H2O = SrSO4 + Cu(NO3)2*5H2O
CaCl2 + N = Ca3N2 + Cl2 =>
3 CaCl2 + 2 N = Ca3N2 + 3 Cl2
Nb + HCl = NbCl + H2 =>
2 Nb + 2 HCl = 2 NbCl + H2
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