| Équations équilibrées la veille |
B + 2 He = BHe2
FeCl3 + K2CrO4 = KCl + Fe2(CrO4)3 =>
2 FeCl3 + 3 K2CrO4 = 6 KCl + Fe2(CrO4)3
CH2(OH)(CHOH)2CHO + HNO3 = COOH(CHOH)2COOH + NO + H2O =>
CH2(OH)(CHOH)2CHO + 2 HNO3 = COOH(CHOH)2COOH + 2 NO + 2 H2O
Fe2P + FeS2 = FeS + SP2 =>
2 Fe2P + 5 FeS2 = 9 FeS + SP2
Ca20Co10Re10O60 + Mn10O10 + Co30O40 + Re10O30 + Re10 = Ca19Mn1Co10Re10O60 =>
171 Ca20Co10Re10O60 + 18 Mn10O10 + 3 Co30O40 + 8 Re10O30 + Re10 = 180 Ca19Mn1Co10Re10O60
H2CrO4 + ZnO = ZnCrO4 + H2O =>
H2CrO4 + ZnO = ZnCrO4 + H2O
Pb(C2H3O2)2 + KSCN = Pb(SCN)2 + KC2H3O2 =>
Pb(C2H3O2)2 + 2 KSCN = Pb(SCN)2 + 2 KC2H3O2
Na(s) + Cu2(SO4)(aq) = Na2SO4(aq) + Cu(s) =>
2 Na(s) + Cu2(SO4)(aq) = Na2SO4(aq) + 2 Cu(s)
Hg2(NO3)2 + NH3 = (HgNH2)NO3 + NH4NO3 + Hg =>
Hg2(NO3)2 + 2 NH3 = (HgNH2)NO3 + NH4NO3 + Hg
C3H6O + Br = C3H6OBr =>
C3H6O + Br = C3H6OBr
CuCl2 + NaPo4 = CuPo4 + Cl2Na =>
CuCl2 + NaPo4 = CuPo4 + Cl2Na
K2Cr2O7 + CH3CH3CH2OH + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH3CHO + H2O =>
K2Cr2O7 + 3 CH3CH3CH2OH + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH3CHO + 7 H2O
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
NaPO4 + BaCl2 = NaCl2 + BaPO4 =>
NaPO4 + BaCl2 = NaCl2 + BaPO4
Pb(C2H3O2)2 + KSCN = Pb(SCN)2 + KC2H3O2 =>
Pb(C2H3O2)2 + 2 KSCN = Pb(SCN)2 + 2 KC2H3O2
H2O + Pb = H2OPb =>
H2O + Pb = H2OPb
Al(s) + H2O(liq) = Al(OH)H =>
Al(s) + H2O(liq) = Al(OH)H
KJ + Br2 = KBr + J2 =>
2 KJ + Br2 = 2 KBr + J2
HCOOH + CaCO3 = (HCOOH)2Ca + CO2 + H2O =>
3 HCOOH + CaCO3 = (HCOOH)2Ca + 2 CO2 + H2O
CH3COOH + NaOH = H2O + CO2 + NaCH3 =>
CH3COOH + NaOH = H2O + CO2 + NaCH3
AgNO3 + NaClO = AgCl + AgClO3 + NaNO3 =>
3 AgNO3 + 3 NaClO = 2 AgCl + AgClO3 + 3 NaNO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C6H12O6 + CH4N2O = C7H16N2O7 =>
C6H12O6 + CH4N2O = C7H16N2O7
Ba(OH)2 + NH3 = Ba(NH2)2 + H2O =>
Ba(OH)2 + 2 NH3 = Ba(NH2)2 + 2 H2O
ZnCO3(s) + NaOH(aq) = Zn(OH)2(s) + Na2CO3 =>
ZnCO3(s) + 2 NaOH(aq) = Zn(OH)2(s) + Na2CO3
O2 + H2 + C = C2H5OH =>
O2 + 6 H2 + 4 C = 2 C2H5OH
CH3COOH(ac) + Ca(HCO3)2(s) = Ca(CH3COO)2 + H2O + CO2 =>
2 CH3COOH(ac) + Ca(HCO3)2(s) = Ca(CH3COO)2 + 2 H2O + 2 CO2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
AsH3 + I2 + H2O = AsO4{-3} + I{-} + H{+} =>
AsH3 + 4 I2 + 4 H2O = AsO4{-3} + 8 I{-} + 11 H{+}
NH4Cl + Al = AlCl3 + NH3 + H2 =>
6 NH4Cl + 2 Al = 2 AlCl3 + 6 NH3 + 3 H2
FeO + O2 = Fe2O3 =>
4 FeO + O2 = 2 Fe2O3
H2 + CO2 = C10H22 + H2O =>
31 H2 + 10 CO2 = C10H22 + 20 H2O
C19H42BrLa + C19H42BrBa + C19H42BrMn + C6H8O6 + HNO3 = LaBaMnO3 + C19H42BrH + C6H6O6 + N2 =>
2 C19H42BrLa + 2 C19H42BrBa + 2 C19H42BrMn + 2 C6H8O6 + 2 HNO3 = 2 LaBaMnO3 + 6 C19H42BrH + 2 C6H6O6 + N2
HOOC(CH2)4COOH + CaCO3 = (CH3CH2COO)2Ca + H2O + CO2 =>
14 HOOC(CH2)4COOH + 13 CaCO3 = 13(CH3CH2COO)2Ca + 5 H2O + 19 CO2
C6H12O6 + SO4 = CO2 + H2S + H2O =>
5 C6H12O6 + 12 SO4 = 30 CO2 + 12 H2S + 18 H2O
NH4NO3 + Ag2O + H2O = AgNO3 + NH4OH =>
2 NH4NO3 + Ag2O + H2O = 2 AgNO3 + 2 NH4OH
PBr3 + H2O = H3PO3 + HBr =>
PBr3 + 3 H2O = H3PO3 + 3 HBr
Ba(OH)2 + AlCl3 = Al(OH)3 + BaCl2 =>
3 Ba(OH)2 + 2 AlCl3 = 2 Al(OH)3 + 3 BaCl2
CaCO3 + HC2H3O2 = Ca(C2H3O2)2 + H2CO3 =>
CaCO3 + 2 HC2H3O2 = Ca(C2H3O2)2 + H2CO3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
H(NO3) + Mn(OH)2 = H2O + Mn(NO3)2 =>
2 H(NO3) + Mn(OH)2 = 2 H2O + Mn(NO3)2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Al(g) + Fe2(g) = AlFe3(g) =>
2 Al(g) + 3 Fe2(g) = 2 AlFe3(g)
Ni(NO3)2 + HCl = Ni(Cl)2 + H(NO3) =>
Ni(NO3)2 + 2 HCl = Ni(Cl)2 + 2 H(NO3)
K + CrO = KO + Cr2 =>
2 K + 2 CrO = 2 KO + Cr2
LiCl + H2O = H2 + Cl2 + LiOH =>
2 LiCl + 2 H2O = H2 + Cl2 + 2 LiOH
Na2B4O7 + HCl + H2O = H3BO3 + NaCl =>
Na2B4O7 + 2 HCl + 5 H2O = 4 H3BO3 + 2 NaCl
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
CH4 + CCl4 = CH2Cl2 =>
CH4 + CCl4 = 2 CH2Cl2
KOH + Cl2 + NO = NCl3 + KNO3 + H2O =>
4 KOH + 9 Cl2 + 10 NO = 6 NCl3 + 4 KNO3 + 2 H2O
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