Équations équilibrées la veille |
2 CrCl2*6H2O + 4 NaCH3COO = [Cr2(CH3COO)4]*2H2O + 4 NaCl + 10 H2O
NaOH(aq) + HNO3 = NaNO3(aq) + H2O(l) =>
NaOH(aq) + HNO3 = NaNO3(aq) + H2O(l)
CH3(CH3)(CH3)(CH3) + O2 = CO2 + H2O =>
CH3(CH3)(CH3)(CH3) + 7 O2 = 4 CO2 + 6 H2O
K4[Fe(CN)6] + Pb(NO3)2 = Pb[Fe(CN)6] + K4(NO3)2 =>
K4[Fe(CN)6] + Pb(NO3)2 = Pb[Fe(CN)6] + K4(NO3)2
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Na2SO4 + PbPO4 = Na3PO4 + Pb2(SO4)3 =>
3 Na2SO4 + 2 PbPO4 = 2 Na3PO4 + Pb2(SO4)3
Cr2S3 + O2 = Cr2O3 + SO2 =>
2 Cr2S3 + 9 O2 = 2 Cr2O3 + 6 SO2
C2H5OH + CuOCuOH = C2H3OH + Cu + H2O =>
3 C2H5OH + 2 CuOCuOH = 3 C2H3OH + 4 Cu + 4 H2O
NaMnO4 + H2O + NaNO2 = MnO2 + NaNO3 + NaOH =>
2 NaMnO4 + H2O + 3 NaNO2 = 2 MnO2 + 3 NaNO3 + 2 NaOH
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
Mg(s) + AuCl3(aq) = Au(s) + MgCl2(aq) =>
3 Mg(s) + 2 AuCl3(aq) = 2 Au(s) + 3 MgCl2(aq)
K4Fe(CN)6 + PbO2 + H2SO4 = Fe(SO4)3 + K2(SO4)3 + Pb(SO4) + HNO3 + CO2 + H2O =>
K4Fe(CN)6 + 36 PbO2 + 45 H2SO4 = Fe(SO4)3 + 2 K2(SO4)3 + 36 Pb(SO4) + 6 HNO3 + 6 CO2 + 42 H2O
Ag2S + HCl = Ag2Cl2 + H2S =>
Ag2S + 2 HCl = Ag2Cl2 + H2S
AgNO3(aq) + K2CO3(aq) = Ag2CO3(aq) + KNO3 =>
2 AgNO3(aq) + K2CO3(aq) = Ag2CO3(aq) + 2 KNO3
H2C2O4*2H2O + NaOH = Na2C2O4 + H2O =>
H2C2O4*2H2O + 2 NaOH = Na2C2O4 + 4 H2O
NH4CNO(s) = H2N(CO)NH2(s) =>
NH4CNO(s) = H2N(CO)NH2(s)
C8H7NO3 + Sn + HCl = C8H9N + SnO + Cl =>
C8H7NO3 + 3 Sn + 2 HCl = C8H9N + 3 SnO + 2 Cl
Ra + Br = RaBr3 =>
Ra + 3 Br = RaBr3
CU + SN = CUSN =>
CU + SN = CUSN
Na2S + KMnO4 + KOH = K2MnO4 + NaOH + S =>
Na2S + 2 KMnO4 + 2 KOH = 2 K2MnO4 + 2 NaOH + S
Na2CO3 + H2O = H2CO3 + Na2O =>
Na2CO3 + H2O = H2CO3 + Na2O
CH3CHCHCH2CH3 + KMnO4 + KOH = CH3COOK + K2MnO4 + H2O =>
2 CH3CHCHCH2CH3 + 20 KMnO4 + 25 KOH = 5 CH3COOK + 20 K2MnO4 + 15 H2O
CH2 + HCl = C2H5Cl =>
2 CH2 + HCl = C2H5Cl
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
HgO + Ca = CaO + Hg =>
HgO + Ca = CaO + Hg
CaCl2 + KMnO4 + MnCl2 + NaOH = CaMnO3 + KCl + H2O + NaCl =>
5 CaCl2 + 2 KMnO4 + 3 MnCl2 + 14 NaOH = 5 CaMnO3 + 2 KCl + 7 H2O + 14 NaCl
H2 + Sb2S3 = H2S + Sb2 =>
3 H2 + Sb2S3 = 3 H2S + Sb2
P2S3 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H3PO4 + H2O =>
3 P2S3 + 14 K2Cr2O7 + 47 H2SO4 = 14 K2SO4 + 14 Cr2(SO4)3 + 6 H3PO4 + 38 H2O
Fe3O4 + HCl = FeCl3 + FeCl2 + H2O =>
Fe3O4 + 8 HCl = 2 FeCl3 + FeCl2 + 4 H2O
Fe + ZnNO4 = Zn + FeNO4 =>
Fe + ZnNO4 = Zn + FeNO4
Fe(MnO4)3 + Ca3(BO3)2 = Ca(MnO4)2 + FeBO3 =>
2 Fe(MnO4)3 + Ca3(BO3)2 = 3 Ca(MnO4)2 + 2 FeBO3
LiOH + Zn(AsO3)2 = Zn(OH)2 + LiAsO3 =>
2 LiOH + Zn(AsO3)2 = Zn(OH)2 + 2 LiAsO3
C6H12O6 + CaCO3 = C6H10CaO6 + CO2 + H2O =>
C6H12O6 + CaCO3 = C6H10CaO6 + CO2 + H2O
S2O3 + H2O = S2(O2H)2 =>
S2O3 + H2O = S2(O2H)2
Fe + CO = Fe2O3 + C =>
2 Fe + 3 CO = Fe2O3 + 3 C
MgH(SO4) = Mg(SO4)H =>
MgH(SO4) = Mg(SO4)H
BaO + SO2 = BaO2 + S =>
2 BaO + SO2 = 2 BaO2 + S
K(OH)(l) + C20H14O4(l) = K(l) + H20(l) + CO2(l) =>
72 K(OH)(l) + 2 C20H14O4(l) = 72 K(l) + 5 H20(l) + 40 CO2(l)
CaCl2 + Na2(SO)4 = Ca(SO)4 + NaCl =>
CaCl2 + Na2(SO)4 = Ca(SO)4 + 2 NaCl
C2H4O + O2 = CO2 + H2O =>
2 C2H4O + 5 O2 = 4 CO2 + 4 H2O
Al2O3(s) + H(aq) = Al(aq) + H2O(l) =>
Al2O3(s) + 6 H(aq) = 2 Al(aq) + 3 H2O(l)
C4H8O2 + H2SO4 = C4H8SO5 + H2O =>
C4H8O2 + H2SO4 = C4H8SO5 + H2O
HBrO4 + Rb(OH) = RbBrO4 + H2O =>
HBrO4 + Rb(OH) = RbBrO4 + H2O
CH(CH2)2CH3(g) + O2(g) = CO2(g) + H2O =>
CH(CH2)2CH3(g) + 6 O2(g) = 4 CO2(g) + 4 H2O
KSO3 + MgCl = MgSO3 + KCl =>
KSO3 + MgCl = MgSO3 + KCl
CaOH2O = Ca(OH)2 =>
CaOH2O = Ca(OH)2
CO + Br = COBr2 =>
CO + 2 Br = COBr2
NH3 + HCl = NH4{-} + Cl{+} =>
NH3 + HCl = NH4{-} + Cl{+}
Al2(SO4)3 + K2CO3 = Al2(CO3)3 + K2SO4 =>
Al2(SO4)3 + 3 K2CO3 = Al2(CO3)3 + 3 K2SO4
C2H4O = C2H2 + H2O =>
C2H4O = C2H2 + H2O
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