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Équations chimiques équilibrées sur12/18/24

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Fe(C2H3O2)3 + H2O = Fe(OH)3 + HC2H3O2 =>
Fe(C2H3O2)3 + 3 H2O = Fe(OH)3 + 3 HC2H3O2

CaCrO4 + HC2H3O2 = Ca + Cr2O7 + C2H3O2 + H2O =>
2 CaCrO4 + 2 HC2H3O2 = 2 Ca + Cr2O7 + 2 C2H3O2 + H2O

(C6H5)2CO + PCl5 = (C6H5)2CCl2 + POCl3 =>
(C6H5)2CO + PCl5 = (C6H5)2CCl2 + POCl3

K2Cr2O7 + HI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 HI + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 I2 + 7 H2O

Ba(OH)2 + HI = Ba(I)2 + H2O =>
Ba(OH)2 + 2 HI = Ba(I)2 + 2 H2O

MgCl2 + Zn(NO3)2 = ZnCl2 + Mg(NO3)2 =>
MgCl2 + Zn(NO3)2 = ZnCl2 + Mg(NO3)2

C2H2(g) + O(g) = CO2(g) + H2O(g) =>
C2H2(g) + 5 O(g) = 2 CO2(g) + H2O(g)

Fe(SCN) + Na2C4H4O6 = FeC4H4O6 + Na2SCN =>
Fe(SCN) + Na2C4H4O6 = FeC4H4O6 + Na2SCN

C2H2(g) + O(g) = CO2(g) + H2O(l) =>
C2H2(g) + 5 O(g) = 2 CO2(g) + H2O(l)

Al3 + CN = Al(CN)3 =>
Al3 + 9 CN = 3 Al(CN)3

Ca(NO3)2 + K2S = CaS + K(NO3) =>
Ca(NO3)2 + K2S = CaS + 2 K(NO3)

CaCrO4 + HC2H3O2 = Ca{2+} + Cr2O7{2-} + C2H3O2{-} + H2O =>
2 CaCrO4 + 2 HC2H3O2 = 2 Ca{2+} + Cr2O7{2-} + 2 C2H3O2{-} + H2O

CaCrO4 + HC2H3O2 = Ca + Cr2O7 + C2H3O2 + H2O =>
2 CaCrO4 + 2 HC2H3O2 = 2 Ca + Cr2O7 + 2 C2H3O2 + H2O

PbSO4 + HNO3 = Pb(NO3)2 + H2SO4 =>
PbSO4 + 2 HNO3 = Pb(NO3)2 + H2SO4

KI + AgNO3 = KAg + NO3I =>
KI + AgNO3 = KAg + NO3I

Al2O3(s) + C(grafite) = CO2(g) + Al(s) =>
2 Al2O3(s) + 3 C(grafite) = 3 CO2(g) + 4 Al(s)

CaCrO4 + HC2H3O2 = Ca + Cr2O7 + C2H3O2 + H2O =>
2 CaCrO4 + 2 HC2H3O2 = 2 Ca + Cr2O7 + 2 C2H3O2 + H2O

NaO + H2SO4 = Na2SO4 + H2O2 =>
2 NaO + H2SO4 = Na2SO4 + H2O2

CaCrO4 + HC2H3O2 = Ca{2+} + Cr2O7{2-} + C2H3O2{-} + H2O =>
2 CaCrO4 + 2 HC2H3O2 = 2 Ca{2+} + Cr2O7{2-} + 2 C2H3O2{-} + H2O

KMnO4 + K2S + H2O = MnO2 + S + KOH =>
2 KMnO4 + 3 K2S + 4 H2O = 2 MnO2 + 3 S + 8 KOH

CaCrO4 + HC2H3O2 = Ca + Cr2O7 + C2H3O2 + H2O =>
2 CaCrO4 + 2 HC2H3O2 = 2 Ca + Cr2O7 + 2 C2H3O2 + H2O

Fe{2+} + NO3 + H{+} = Fe{3+} + NO + H2O =>
4 Fe{2+} + NO3 + 4 H{+} = 4 Fe{3+} + NO + 2 H2O

NaO + H2SO4 = Na2SO4 + H2O + O2 =>
4 NaO + 2 H2SO4 = 2 Na2SO4 + 2 H2O + O2

CaCrO4 + HC2H3O2 = Ca{2+} + Cr2O7{2-} + C2H3O2{-} + H2O =>
2 CaCrO4 + 2 HC2H3O2 = 2 Ca{2+} + Cr2O7{2-} + 2 C2H3O2{-} + H2O

No2 = No =>
No2 = 2 No

CaCrO4 + HC2H3O2 = Ca{2+} + Cr2O7{2-} + C2H3O2{-} + H2O =>
2 CaCrO4 + 2 HC2H3O2 = 2 Ca{2+} + Cr2O7{2-} + 2 C2H3O2{-} + H2O

NaO + H2SO4 = Na2SO4 + H2O2 =>
2 NaO + H2SO4 = Na2SO4 + H2O2

CaCrO4 + HC2H3O2 = Ca{2+} + Cr2O7{2-} + C2H3O2{-} + H2O =>
2 CaCrO4 + 2 HC2H3O2 = 2 Ca{2+} + Cr2O7{2-} + 2 C2H3O2{-} + H2O

CaCl2(aq) + K2Co3(aq) = KCl(aq) + CaCo3(s) =>
CaCl2(aq) + K2Co3(aq) = 2 KCl(aq) + CaCo3(s)

(CH3)2CHC2H4SC2H4OH + SOCl2 = (CH3)2CHC2H4SC2H4Cl + SO2 + HCl =>
(CH3)2CHC2H4SC2H4OH + SOCl2 = (CH3)2CHC2H4SC2H4Cl + SO2 + HCl

CaCrO4 + HC2H3O2 = Ca{2+} + Cr2O7{2-} + C2H3O2{-} + H2O =>
2 CaCrO4 + 2 HC2H3O2 = 2 Ca{2+} + Cr2O7{2-} + 2 C2H3O2{-} + H2O

NaO + H2SO4 = Na(SO4) + H2O =>
NaO + H2SO4 = Na(SO4) + H2O

KCrSO42 + Na2S + H2O = K2SO4 + Na2SO4 + CrOH3 + H2S =>
4 KCrSO42 + 41 Na2S + 8 H2O = 2 K2SO4 + 41 Na2SO4 + 4 CrOH3 + 2 H2S

NaO + H2SO4 = Na(SO4) + H2O =>
NaO + H2SO4 = Na(SO4) + H2O

H3PO4BaOH = BaH2PO4H2O =>
H3PO4BaOH = BaH2PO4H2O

CaCrO4 + HC2H3O2 = Ca + Cr2O7 + C2H3O2 + H2O =>
2 CaCrO4 + 2 HC2H3O2 = 2 Ca + Cr2O7 + 2 C2H3O2 + H2O

NaO + H2SO4 = Na(SO4) + H2O =>
NaO + H2SO4 = Na(SO4) + H2O

Ag + O = Ag3O2 =>
3 Ag + 2 O = Ag3O2

CaCrO4 + HC2H3O2 = Ca + Cr2O7 + C2H3O2 + H2O =>
2 CaCrO4 + 2 HC2H3O2 = 2 Ca + Cr2O7 + 2 C2H3O2 + H2O

NaO + H2SO4 = Na(SO4) + H2O =>
NaO + H2SO4 = Na(SO4) + H2O

NaO + H2SO4 = Na2SO4 + H2O + O2 =>
4 NaO + 2 H2SO4 = 2 Na2SO4 + 2 H2O + O2

HSiCl3 + H = HCl + Si =>
HSiCl3 + 2 H = 3 HCl + Si

NaO + H2SO4 = Na2SO4 + H2O + O2 =>
4 NaO + 2 H2SO4 = 2 Na2SO4 + 2 H2O + O2

Ti3(PO4)4 + Na2CO3 = Ti3CO3 + Na2(PO4)4 =>
Ti3(PO4)4 + Na2CO3 = Ti3CO3 + Na2(PO4)4

Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2

KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O

NaO + H2SO4 = Na2SO4 + H2O + O2 =>
4 NaO + 2 H2SO4 = 2 Na2SO4 + 2 H2O + O2

NaO + H2SO4 = Na2SO4 + H2O2 =>
2 NaO + H2SO4 = Na2SO4 + H2O2

HNO3 + C2H6O + K2Cr2O7 = KNO3 + C2H4O + H2O + Cr3(NO3)3 =>
12 HNO3 + 15 C2H6O + 3 K2Cr2O7 = 6 KNO3 + 15 C2H4O + 21 H2O + 2 Cr3(NO3)3

NaO + H2SO4 = Na2SO4 + H2O + O2 =>
4 NaO + 2 H2SO4 = 2 Na2SO4 + 2 H2O + O2

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