Équations équilibrées la veille |
2 Na + ZnS = Na2S + Zn
Fe{+3} + Pb = Fe{+2} + Pb{+2} =>
2 Fe{+3} + Pb = 2 Fe{+2} + Pb{+2}
Fe[HC(CH3CO)2]3 + HCl = FeCl3 + [HC(CH3CO)2]H =>
Fe[HC(CH3CO)2]3 + 3 HCl = FeCl3 + 3[HC(CH3CO)2]H
RbCl + Ca(NO3)2 = RbNO3 + CaCl2 =>
2 RbCl + Ca(NO3)2 = 2 RbNO3 + CaCl2
MnCl2 + (NH4)2CO3 = MnCO3 + (NH4)2Cl2 =>
MnCl2 + (NH4)2CO3 = MnCO3 + (NH4)2Cl2
Al(s) + Hg(NO3)2(aq) = Al(NO3)(aq) + Hg(l) =>
2 Al(s) + Hg(NO3)2(aq) = 2 Al(NO3)(aq) + Hg(l)
Li2CO3(s) + BaCl2(aq) = BaCO3(aq) + LiCl(l) =>
Li2CO3(s) + BaCl2(aq) = BaCO3(aq) + 2 LiCl(l)
Ag(NO3)1 + Cu = Cu(NO3)2 + Ag =>
2 Ag(NO3)1 + Cu = Cu(NO3)2 + 2 Ag
C27H46O + O2 = CO2 + H2O =>
C27H46O + 38 O2 = 27 CO2 + 23 H2O
K2CrO4(l) + Pb(NO3)2(l) = PbCrO4 + KNO3 =>
K2CrO4(l) + Pb(NO3)2(l) = PbCrO4 + 2 KNO3
Na2Cr2O7 + H2O = NaOH + H2Cr2O7 =>
Na2Cr2O7 + 2 H2O = 2 NaOH + H2Cr2O7
NaC2H3O2 + Cd(NO3) = NaNO3 + Cd(C2H3O2) =>
NaC2H3O2 + Cd(NO3) = NaNO3 + Cd(C2H3O2)
Fe2O3 + CH2O + CaSO4 = CaCO3 + FeS + CO2 + H2O =>
2 Fe2O3 + 9 CH2O + 4 CaSO4 = 4 CaCO3 + 4 FeS + 5 CO2 + 9 H2O
CH2O + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5 CH2O + 4 KMnO4 + 6 H2SO4 = 5 CO2 + 4 MnSO4 + 2 K2SO4 + 11 H2O
Mg + Co[NO3]2 = Mg[NO3]2 + Co =>
Mg + Co[NO3]2 = Mg[NO3]2 + Co
NH4SO4 + KOH = NH4OH + KSO4 =>
NH4SO4 + KOH = NH4OH + KSO4
KClO3 + KOH + Bi(OH)3 = KCl + KBiO3 + H2O =>
KClO3 + 3 KOH + 3 Bi(OH)3 = KCl + 3 KBiO3 + 6 H2O
Cr2O7{2-} + NH3 + H2O = CrO4{2-} + NH4{+} =>
Cr2O7{2-} + 2 NH3 + H2O = 2 CrO4{2-} + 2 NH4{+}
Co + H{+} = Co{+} + H2 =>
2 Co + 2 H{+} = 2 Co{+} + H2
CaO + C = CaC2 + O2 =>
2 CaO + 4 C = 2 CaC2 + O2
CH2CH2OHCH3 + K2Cr2O7 + H2SO4 = CH3CO2H + Cr2(SO4)3 + K2SO4 + H2O =>
2 CH2CH2OHCH3 + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3CO2H + 2 Cr2(SO4)3 + 2 K2SO4 + 10 H2O
LiNO3 + H2SO3 = Li2SO3 + HNO3 =>
2 LiNO3 + H2SO3 = Li2SO3 + 2 HNO3
C3H6Br2 + KOH = C3H4 + HBrKOH =>
C3H6Br2 + 2 KOH = C3H4 + 2 HBrKOH
CuH10 + O2 = CuO + H10O2 =>
2 CuH10 + 3 O2 = 2 CuO + 2 H10O2
MnSO4 + Na2S = MnS + Na2SO4 =>
MnSO4 + Na2S = MnS + Na2SO4
KSCN + AgNo3 = KNo3 + AgSCN =>
KSCN + AgNo3 = KNo3 + AgSCN
HNO3(aq) + CaCO3(s) = H2O(l) + Ca(NO3)2(s) + CO2 =>
2 HNO3(aq) + CaCO3(s) = H2O(l) + Ca(NO3)2(s) + CO2
NaOH + NaHSO4 = H2O + Na2SO4 =>
NaOH + NaHSO4 = H2O + Na2SO4
K2(CO3) + ZnCl2 = ZnCO3 + KCl =>
K2(CO3) + ZnCl2 = ZnCO3 + 2 KCl
Na2FeO4 + HCl = NaCl + FeCl3 + Cl2 + H2O =>
2 Na2FeO4 + 16 HCl = 4 NaCl + 2 FeCl3 + 3 Cl2 + 8 H2O
Bi{3+} + Sn(OH)4{2-} + OH{-} = Bi + Sn(OH)6{2-} =>
2 Bi{3+} + 3 Sn(OH)4{2-} + 6 OH{-} = 2 Bi + 3 Sn(OH)6{2-}
K2Cr2O7 + NaCl + H2SO4 = Cl2 + H2O + KSO4 + Na2SO4 + CrSO4 =>
K2Cr2O7 + 6 NaCl + 7 H2SO4 = 3 Cl2 + 7 H2O + 2 KSO4 + 3 Na2SO4 + 2 CrSO4
NiCl2 + NaH2PO2 + H2O = NiNaH2PO3 + HCl =>
NiCl2 + NaH2PO2 + H2O = NiNaH2PO3 + 2 HCl
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
SbI3 + Sb(IO3)3 + H2Si4 = Sb4(SiO4)3 + I2 + H2O =>
31 SbI3 + 17 Sb(IO3)3 + 9 H2Si4 = 12 Sb4(SiO4)3 + 72 I2 + 9 H2O
H2S + HNO3 = H2O + S8 + NO =>
24 H2S + 16 HNO3 = 32 H2O + 3 S8 + 16 NO
H2SO3 + Hg2(OH)2 = Hg2SO3 + H2O =>
H2SO3 + Hg2(OH)2 = Hg2SO3 + 2 H2O
FeBr3 + HO{-} = FeBr3HO{-} =>
FeBr3 + HO{-} = FeBr3HO{-}
KCN + H2SO4 = K2SO4 + HCN =>
2 KCN + H2SO4 = K2SO4 + 2 HCN
Pb + HCl + KNO3 = PbCl2 + NOCl + KCl + H2O =>
Pb + 4 HCl + KNO3 = PbCl2 + NOCl + KCl + 2 H2O
C22H35O14N1 + H2O = CH4 + CO2 + NH3 =>
2 C22H35O14N1 + 14 H2O = 23 CH4 + 21 CO2 + 2 NH3
KNaC4H4O6(aq) + H2O2(l) = CO2() + NaOH() + KOH() + H2O(l) =>
KNaC4H4O6(aq) + 5 H2O2(l) = 4 CO2() + NaOH() + KOH() + 6 H2O(l)
ZnCl2 + Pb(NO3)2 = PbCl2 + Zn(NO3)2 =>
ZnCl2 + Pb(NO3)2 = PbCl2 + Zn(NO3)2
Hg2(NO3)2 + CdBr2 = Hg2Br2 + Cd(NO3)2 =>
Hg2(NO3)2 + CdBr2 = Hg2Br2 + Cd(NO3)2
Co + OH = Co3(OH)2 =>
3 Co + 2 OH = Co3(OH)2
CH3(CH2)2COOH + CH3(CH2)7OH = CH3CH2CH2COO(CH2)7CH3 + H2O =>
CH3(CH2)2COOH + CH3(CH2)7OH = CH3CH2CH2COO(CH2)7CH3 + H2O
HNO3 + Sr = Sr(NO3)2 + N2 + H2O =>
12 HNO3 + 5 Sr = 5 Sr(NO3)2 + N2 + 6 H2O
AgNO3 + HCl = NO3H + AgCl =>
AgNO3 + HCl = NO3H + AgCl
CCl4 + H2O + NaC3H5O3 = NaHClO3 + CO2 + H2 =>
CCl4 + 26 H2O + 4 NaC3H5O3 = 4 NaHClO3 + 13 CO2 + 34 H2
Al + Br2 = AlBr3Al =>
4 Al + 3 Br2 = 2 AlBr3Al
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