Équations équilibrées la veille |
Zn + H2SO4 = ZnSO4 + H2
CrO4 = Cr2 + O7 =>
14 CrO4 = 7 Cr2 + 8 O7
NaNO3NH3 = NaH3N2O3 =>
NaNO3NH3 = NaH3N2O3
BaC2O4 = BaCO3 + CO =>
BaC2O4 = BaCO3 + CO
K2S2O3 + K2S2O8 + H2O = K2SO4 + H2SO4 =>
K2S2O3 + 4 K2S2O8 + 5 H2O = 5 K2SO4 + 5 H2SO4
Fe2(SO4)3 + NH3 + H2O = H3FeO3 + (NH4)2SO4 =>
Fe2(SO4)3 + 6 NH3 + 6 H2O = 2 H3FeO3 + 3(NH4)2SO4
MnO2 + SOCl2 + H2O = MnSO4 + HCl =>
MnO2 + SOCl2 + H2O = MnSO4 + 2 HCl
KI + HCl = KH + ICl =>
KI + HCl = KH + ICl
C7H5O2Na + C2H5OH = C9H10O2 + H2O + Na =>
24 C7H5O2Na + 33 C2H5OH = 26 C9H10O2 + 29 H2O + 24 Na
Mg + HCe = H2 + MgCe2 =>
Mg + 2 HCe = H2 + MgCe2
P + O2 + H2O = H3PO4 =>
4 P + 5 O2 + 6 H2O = 4 H3PO4
K(OH)2 + HPO3 = K(PO3)2 + H2O =>
K(OH)2 + 2 HPO3 = K(PO3)2 + 2 H2O
NaBH4 + H2SO4 = B2H6 + H2 + Na2SO4 =>
2 NaBH4 + H2SO4 = B2H6 + 2 H2 + Na2SO4
BaCl2 + Na2(SO3) = BaSO3 + NaCl =>
BaCl2 + Na2(SO3) = BaSO3 + 2 NaCl
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
NH4OH + CuCl = CuOH + NH4Cl =>
NH4OH + CuCl = CuOH + NH4Cl
AlBr3 + (NH4)3PO4 = AlPO4 + (NH4)3Br3 =>
AlBr3 + (NH4)3PO4 = AlPO4 + (NH4)3Br3
BaCO3 + H2SO4 = BaSO4 + CO2 + H2O =>
BaCO3 + H2SO4 = BaSO4 + CO2 + H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Re + Br2 = ReBr3 =>
2 Re + 3 Br2 = 2 ReBr3
HCI + Mg = CI + HMg =>
HCI + Mg = CI + HMg
KI + AgNO3 = AgKI + NO3 =>
KI + AgNO3 = AgKI + NO3
CH + Cl = CHCl =>
CH + Cl = CHCl
NaBr + NaBrO3 + H2SO4 = Br2 + Na2SO4 + H2O =>
5 NaBr + NaBrO3 + 3 H2SO4 = 3 Br2 + 3 Na2SO4 + 3 H2O
MgCO3 + HNO3 = Mg(NO3)2 + H2O + CO2 =>
MgCO3 + 2 HNO3 = Mg(NO3)2 + H2O + CO2
C2H3ClNaOH = C2H2NaClH2O =>
C2H3ClNaOH = C2H2NaClH2O
FeCl3 + H2S = Fe + HCl + S =>
2 FeCl3 + 3 H2S = 2 Fe + 6 HCl + 3 S
C2H6 = C + H2 =>
C2H6 = 2 C + 3 H2
HCOOH + HCOONa = NaOH + HCOOOCH =>
HCOOH + HCOONa = NaOH + HCOOOCH
C6H6OH + NaHSO3 = C6H6HSO3 + NaOH =>
C6H6OH + NaHSO3 = C6H6HSO3 + NaOH
Fe{3+} + NH4OH = Fe(NH3)2{3+} + H2O =>
Fe{3+} + 2 NH4OH = Fe(NH3)2{3+} + 2 H2O
CO2 + H2O = C2 + OH =>
2 CO2 + 4 H2O = C2 + 8 OH
ZnO + Ba(OH)2 = BaZnO + H2O2 =>
ZnO + Ba(OH)2 = BaZnO + H2O2
Mg(HCO3)2 + HBr = MgBr2 + H2O + CO2 =>
Mg(HCO3)2 + 2 HBr = MgBr2 + 2 H2O + 2 CO2
KHSO4 + K2S = K2SO4 + H2S =>
2 KHSO4 + K2S = 2 K2SO4 + H2S
Na2CO3 + I2 + H2O = HIO3 + NaI + CO2 =>
5 Na2CO3 + 6 I2 + H2O = 2 HIO3 + 10 NaI + 5 CO2
(CuOH)2CO3 + HCl = CuCl2 + CO2 + H2O =>
(CuOH)2CO3 + 4 HCl = 2 CuCl2 + CO2 + 3 H2O
NiO = Ni + O2 =>
2 NiO = 2 Ni + O2
SiO2KOH = K2Si2O5H2O =>
2 SiO2KOH = K2Si2O5H2O
C3H4OH(COOH)3 + NaOH = Na3C3H4OH + CH2O3 =>
C3H4OH(COOH)3 + 3 NaOH = Na3C3H4OH + 3 CH2O3
Fe{3+} + NH4OH = Fe(NH3)2{3+} + H2O =>
Fe{3+} + 2 NH4OH = Fe(NH3)2{3+} + 2 H2O
PbO2 + H2SO4 = Pb2SO4 + O2 + H2 =>
2 PbO2 + H2SO4 = Pb2SO4 + 2 O2 + H2
Ca(OH)2 + Cl2 = Ca(ClO2) + CaCl2 + H2O =>
4 Ca(OH)2 + 3 Cl2 = 2 Ca(ClO2) + 2 CaCl2 + 4 H2O
CO2 + H2O = C2 + OH =>
2 CO2 + 4 H2O = C2 + 8 OH
Al + O2 = (Al2O3) =>
4 Al + 3 O2 = 2(Al2O3)
K2CO3CO2 = K2C2O5 =>
K2CO3CO2 = K2C2O5
Al(OH)3 + NaOH = Na3[Al(OH)6] =>
Al(OH)3 + 3 NaOH = Na3[Al(OH)6]
FeCl3(aq) + K3Fe(CN)6(aq) = KCl(aq) + Fe[Fe(CN)6](s) =>
FeCl3(aq) + K3Fe(CN)6(aq) = 3 KCl(aq) + Fe[Fe(CN)6](s)
H2SO4 + Cr(OH)3 = Cr2(SO4)3 + H2O =>
3 H2SO4 + 2 Cr(OH)3 = Cr2(SO4)3 + 6 H2O
C15H31COOCH3 + O2 = CO + H2O =>
C15H31COOCH3 + 16 O2 = 17 CO + 17 H2O
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