Équations équilibrées la veille |
PbS + 2 PbO = 3 Pb + SO2
Li + MgO = LiO2 + Mg =>
Li + 2 MgO = LiO2 + 2 Mg
Cr2O7{-2} + H{+} + SO3{-2} = SO4{-2} + H2O + Cr{+3} =>
Cr2O7{-2} + 8 H{+} + 3 SO3{-2} = 3 SO4{-2} + 4 H2O + 2 Cr{+3}
(CH3)3CH + O2 = CO2 + H2O =>
2(CH3)3CH + 13 O2 = 8 CO2 + 10 H2O
CaBr2 + Na2CO3 = CaCO3 + NaBr =>
CaBr2 + Na2CO3 = CaCO3 + 2 NaBr
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CaCl2 + NH4(CO3)2 = Ca(CO3)2 + NH4Cl2 =>
CaCl2 + NH4(CO3)2 = Ca(CO3)2 + NH4Cl2
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
CH3CH2CHCH3CHNH2COOH + O2 = CO2 + H2O + N2 =>
4 CH3CH2CHCH3CHNH2COOH + 33 O2 = 24 CO2 + 26 H2O + 2 N2
Fe2(SO4)3 + KI = I2 + K2SO4 + FeI2 =>
Fe2(SO4)3 + 6 KI = I2 + 3 K2SO4 + 2 FeI2
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
YbCl3*6H2O + NH4OH = Yb2O3 + NH4Cl + H2O =>
2 YbCl3*6H2O + 6 NH4OH = Yb2O3 + 6 NH4Cl + 15 H2O
XeF6 + O2 = XeF4 + (OF2) =>
2 XeF6 + O2 = 2 XeF4 + 2(OF2)
Cu2C2 + HCl = C2H2 + CuCl =>
Cu2C2 + 2 HCl = C2H2 + 2 CuCl
C6H5OH + NaOH = C6H5ONa + H2O =>
C6H5OH + NaOH = C6H5ONa + H2O
Na33AlSi3O8 + H2O + CO2 = Al + Na + HCO3 + H4SiO4 =>
Na33AlSi3O8 + 8 H2O + 4 CO2 = Al + 33 Na + 4 HCO3 + 3 H4SiO4
HF + AgNO3 = HNO3 + AgF =>
HF + AgNO3 = HNO3 + AgF
FeS2 + O2 + H2O = Fe2(SO4)3 + H2SO4 =>
4 FeS2 + 15 O2 + 2 H2O = 2 Fe2(SO4)3 + 2 H2SO4
KOH + H2SO4 = KHSO4 + H2O =>
KOH + H2SO4 = KHSO4 + H2O
AuCl3 + K2CO3 = Au2(CO3)3 + KCl =>
2 AuCl3 + 3 K2CO3 = Au2(CO3)3 + 6 KCl
HNO3 + K2CrO4 + Fe(NO3)2 = KNO3 + Cr(NO3)3 + Fe(NO3)3 + H2O =>
8 HNO3 + K2CrO4 + 3 Fe(NO3)2 = 2 KNO3 + Cr(NO3)3 + 3 Fe(NO3)3 + 4 H2O
Na3[Cr(OH)6] + NaOH + PbO2 = Na2CrO4 + H2O + Na2PbO2 =>
2 Na3[Cr(OH)6] + 4 NaOH + 3 PbO2 = 2 Na2CrO4 + 8 H2O + 3 Na2PbO2
Fe3 + O2 = Fe2O3 =>
4 Fe3 + 9 O2 = 6 Fe2O3
Fe(NO3)3 + NaC2H3O2 + H2O = NaNO3 + Fe3O(C2H3O2)6 + H3O + NO3 =>
3 Fe(NO3)3 + 6 NaC2H3O2 + 3 H2O = 6 NaNO3 + Fe3O(C2H3O2)6 + 2 H3O + 3 NO3
K + F2 = KF =>
2 K + F2 = 2 KF
H3PO4 + NH4OH = (NH4)3PO4 + H2O =>
H3PO4 + 3 NH4OH = (NH4)3PO4 + 3 H2O
Mg + Fe2S3O12 = MgS3O12 + Fe =>
Mg + Fe2S3O12 = MgS3O12 + 2 Fe
C7H4O + O2 = CO2 + H2O =>
2 C7H4O + 15 O2 = 14 CO2 + 4 H2O
NaOH + Cl2 = NaCl + NaClO + H2O =>
2 NaOH + Cl2 = NaCl + NaClO + H2O
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
Mg(s)HCl(AQ) = Mg(AQ)HCl(g) =>
Mg(s)HCl(AQ) = Mg(AQ)HCl(g)
Cu + NO3 + H{+} = Cu2{+} + NO + H2O =>
8 Cu + NO3 + 4 H{+} = 4 Cu2{+} + NO + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na2CO3 + Sr(NO3)2 = Na2(NO3)2 + SrCO3 =>
Na2CO3 + Sr(NO3)2 = Na2(NO3)2 + SrCO3
Mg3O(CO3)2 = MgO + CO2 =>
Mg3O(CO3)2 = 3 MgO + 2 CO2
C4H12 + O2 = CO2 + H2O =>
C4H12 + 7 O2 = 4 CO2 + 6 H2O
H3PO3 + CuO = Cu3(PO3)2 + H2O =>
2 H3PO3 + 3 CuO = Cu3(PO3)2 + 3 H2O
Cl2(g) + NaOH(aq) = NaClO3(aq) + NaCl(aq) + H2O(l) =>
3 Cl2(g) + 6 NaOH(aq) = NaClO3(aq) + 5 NaCl(aq) + 3 H2O(l)
MgSO4 + Na3Po4 = Mg3(Po4)2 + Na2SO4 =>
3 MgSO4 + 2 Na3Po4 = Mg3(Po4)2 + 3 Na2SO4
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
Co(NO3)2(aq) + K3PO4(aq) = CoPO4(s) + K3(NO3)2(aq) =>
Co(NO3)2(aq) + K3PO4(aq) = CoPO4(s) + K3(NO3)2(aq)
KOH + HNo2 = KNo2 + H2O =>
KOH + HNo2 = KNo2 + H2O
BaS + Pb(NO3)2 = PbS + Ba(NO3)2 =>
BaS + Pb(NO3)2 = PbS + Ba(NO3)2
Fe(NO3)3 + KSCN + (NH4)2C2O4 = Fe2(C2O4)3 + KNO3 + NH4SCN =>
2 Fe(NO3)3 + 6 KSCN + 3(NH4)2C2O4 = Fe2(C2O4)3 + 6 KNO3 + 6 NH4SCN
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
AlF3 + O2 = Al2O3 + F2 =>
4 AlF3 + 3 O2 = 2 Al2O3 + 6 F2
H3PO4 + AgNO3 = AgH2PO4 + HNO3 =>
H3PO4 + AgNO3 = AgH2PO4 + HNO3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NaHCO3 + Ag*HCl = NaCl + H2O + CO2 + Ag =>
NaHCO3 + Ag*HCl = NaCl + H2O + CO2 + Ag
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