Équations équilibrées la veille |
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
K2O + Fe2(SO4)3 = K2SO4 + Fe2O3 =>
3 K2O + Fe2(SO4)3 = 3 K2SO4 + Fe2O3
C6H6O + CO2 + NaOH = C8H3O5Na3 + H2O =>
C6H6O + 2 CO2 + 3 NaOH = C8H3O5Na3 + 3 H2O
C + Fl = CFl4 =>
C + 4 Fl = CFl4
O2 + C9H20 = H2O + CO2 =>
14 O2 + C9H20 = 10 H2O + 9 CO2
CH3(CH3) + O2(g) = CO2(g) + H2O(g) =>
2 CH3(CH3) + 7 O2(g) = 4 CO2(g) + 6 H2O(g)
Li + H2SO4 = Li2SO4 + H2 =>
2 Li + H2SO4 = Li2SO4 + H2
Br2 + KI = Br2I + KBr =>
3 Br2 + 2 KI = 2 Br2I + 2 KBr
Na(Hg) + H2O = NaOH + H2 + Hg =>
2 Na(Hg) + 2 H2O = 2 NaOH + H2 + 2 Hg
Mn(OH)2 + HNO3 = MnO(OH)2 + HNO2 =>
Mn(OH)2 + HNO3 = MnO(OH)2 + HNO2
P4(s) + O2(g) = P45O2(aq) =>
45 P4(s) + 4 O2(g) = 4 P45O2(aq)
Pb3O4 + KI + H2SO4 = I2 + PbSO4 + K2SO4 + H2O =>
Pb3O4 + 2 KI + 4 H2SO4 = I2 + 3 PbSO4 + K2SO4 + 4 H2O
Mg3(Po4)2 + H2SO4 = MgSO4 + H3Po4 =>
Mg3(Po4)2 + 3 H2SO4 = 3 MgSO4 + 2 H3Po4
Na2SiO3 + CuCl2 = Na2SiCl2 + CuO3 =>
Na2SiO3 + CuCl2 = Na2SiCl2 + CuO3
Ba(HCO3)2 + H2SO4 = BaSO4 + H2O + CO2 =>
Ba(HCO3)2 + H2SO4 = BaSO4 + 2 H2O + 2 CO2
Cl2 + Na2SO3 + H2O = HCl + Na2SO4 =>
Cl2 + Na2SO3 + H2O = 2 HCl + Na2SO4
KOH + KH2PO4 = H2O + K3PO4 =>
2 KOH + KH2PO4 = 2 H2O + K3PO4
CU + C = CU2C2 =>
2 CU + C = CU2C2
AlNO3 + H2O = HNO3 + AlOH =>
AlNO3 + H2O = HNO3 + AlOH
I2O4 + H2O = HIO3 + I2 =>
5 I2O4 + 4 H2O = 8 HIO3 + I2
CaCO3 + CO2 + H2O = Ca(HCO3)2 =>
CaCO3 + CO2 + H2O = Ca(HCO3)2
FeCl2 + KOH = Fe(OH)2 + KCl =>
FeCl2 + 2 KOH = Fe(OH)2 + 2 KCl
PbI2 + Zn = ZnI + Pb =>
PbI2 + 2 Zn = 2 ZnI + Pb
Cu + SO2 = Cu2S + O2 =>
2 Cu + SO2 = Cu2S + O2
CuCl2 + Fe(NO3)3 = Cu(NO3)2 + FeCl3 =>
3 CuCl2 + 2 Fe(NO3)3 = 3 Cu(NO3)2 + 2 FeCl3
NaBrO + MnCl2 + NaOH = NaBr + MnO2 + NaCl + H2O =>
NaBrO + MnCl2 + 2 NaOH = NaBr + MnO2 + 2 NaCl + H2O
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
Co + HBr = CoBr3 + H2 =>
2 Co + 6 HBr = 2 CoBr3 + 3 H2
Pb + Ca(SO4) = Pb(SO4) + Ca =>
Pb + Ca(SO4) = Pb(SO4) + Ca
NO + H2 = NOH =>
2 NO + H2 = 2 NOH
SO3 + Re2O7 = ReS2 + O2 =>
8 SO3 + 2 Re2O7 = 4 ReS2 + 19 O2
H2 + Mg = H2Mg =>
H2 + Mg = H2Mg
Na2SiO3 + HCl = SiO2 + H2O + NaCl =>
Na2SiO3 + 2 HCl = SiO2 + H2O + 2 NaCl
NiO + HgCl2 = NiCl2 + HgO =>
NiO + HgCl2 = NiCl2 + HgO
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
ZnCl2 + (NH4)2S = ZnS + (NH4)Cl =>
ZnCl2 + (NH4)2S = ZnS + 2(NH4)Cl
SbCl3 + HCl + Zn = Zn2[SbCl6] + H2 =>
2 SbCl3 + 6 HCl + 4 Zn = 2 Zn2[SbCl6] + 3 H2
NaCl + AgNO3 = NaNO3 + AgCl = =>
NaCl + AgNO3 = NaNO3 + AgCl
ScCl2 + K3PO4 = K3Cl2 + ScPO4 =>
ScCl2 + K3PO4 = K3Cl2 + ScPO4
LiOH + MgCO3 = Li2CO3 + Mg(OH)2 =>
2 LiOH + MgCO3 = Li2CO3 + Mg(OH)2
Ca(OH)2 + BaSO4 = Ba(OH)2 + CaSO4 =>
Ca(OH)2 + BaSO4 = Ba(OH)2 + CaSO4
Zn + Mg + H2SO4 = ZnSO3 + MgO + H2 =>
Zn + Mg + H2SO4 = ZnSO3 + MgO + H2
BaCl2 + CH3COOH = Ba(CH3COO)2 + HCl =>
BaCl2 + 2 CH3COOH = Ba(CH3COO)2 + 2 HCl
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NH4I + KOH = NH4OH + IK =>
NH4I + KOH = NH4OH + IK
NaCl + AgNO3 = NaNO3 + AgCl = =>
NaCl + AgNO3 = NaNO3 + AgCl
Ca + CuO = Cu + CaO =>
Ca + CuO = Cu + CaO
Na2CO3 + H2SO4 = H2CO3 + Na2SO4 =>
Na2CO3 + H2SO4 = H2CO3 + Na2SO4
Na2SO4(aq) + BaCl2(aq) = NaCl(aq) + BaSO4(s) =>
Na2SO4(aq) + BaCl2(aq) = 2 NaCl(aq) + BaSO4(s)
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