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Équations chimiques équilibrées sur01/30/25

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Sb3(BO3)5 + Pd(ClO3)2 = Sb(ClO3)5 + Pd3(BO3)2 =>
2 Sb3(BO3)5 + 15 Pd(ClO3)2 = 6 Sb(ClO3)5 + 5 Pd3(BO3)2

Al(s) + NH4ClO4(s) = N2(g) + Al2O3(s) + HCl(at) + H2O(l) =>
10 Al(s) + 6 NH4ClO4(s) = 3 N2(g) + 5 Al2O3(s) + 6 HCl(at) + 9 H2O(l)

Sn{+4} + O{-2} = Sn2O4 =>
2 Sn{+4} + 4 O{-2} = Sn2O4

PbBr4 + Mg = MgBr2 + Pb =>
PbBr4 + 2 Mg = 2 MgBr2 + Pb

O = O999999999999999999999999999999999999999999999999999999999999999 =>
9223372036854775807 O = O999999999999999999999999999999999999999999999999999999999999999

CH3CH(OH)CH3 + CuO = CH3COOH + Cu + H2O =>
2 CH3CH(OH)CH3 + 6 CuO = 3 CH3COOH + 6 Cu + 2 H2O

Li2O + Na2S = Na2O + Li2S =>
Li2O + Na2S = Na2O + Li2S

Mg(OH)2 + HNO3 = H2O + MgN2O6 =>
Mg(OH)2 + 2 HNO3 = 2 H2O + MgN2O6

Zn + Co2(CrO4)3 = Zn(CrO4)3 + Co2 =>
Zn + Co2(CrO4)3 = Zn(CrO4)3 + Co2

O2 + CH2CH3OH = CO2 + H2O =>
3 O2 + CH2CH3OH = 2 CO2 + 3 H2O

OHCH2CH2OH + O2 = H2O + HOOCCOOH =>
OHCH2CH2OH + 2 O2 = 2 H2O + HOOCCOOH

MgSO4 + Na2CO3 = CMgO3 + Na2SO4 =>
MgSO4 + Na2CO3 = CMgO3 + Na2SO4

H2O + Zn = H2 + OH{-} + Zn2{+} =>
2 H2O + 4 Zn = H2 + 2 OH{-} + 2 Zn2{+}

O = O100 =>
100 O = O100

NH4NO3 = O2 + N2 + H2O =>
2 NH4NO3 = O2 + 2 N2 + 4 H2O

C2H2 + H2SO4 + KMnO4 = CO2 + MnSO4 + K2SO4 + H2O =>
C2H2 + 3 H2SO4 + 2 KMnO4 = 2 CO2 + 2 MnSO4 + K2SO4 + 4 H2O

K2CO3(aq) + HC2H3O2(aq) = K(C2H3O2)(aq) + H2(CO3)(aq) =>
K2CO3(aq) + 2 HC2H3O2(aq) = 2 K(C2H3O2)(aq) + H2(CO3)(aq)

Co(NO3)2 + (NH4)2S = CoS + NO3 + NH4 =>
Co(NO3)2 + (NH4)2S = CoS + 2 NO3 + 2 NH4

K + HNO3 = KNO3 + H =>
K + HNO3 = KNO3 + H

FeCl2 + KMnO4 = FeO4 + Cl2KMn =>
FeCl2 + KMnO4 = FeO4 + Cl2KMn

KCl + H2 = HCl + K2 =>
2 KCl + H2 = 2 HCl + K2

CuI + HNO3 = Cu{2+} + NO2 + I2 + OH{-} =>
2 CuI + 4 HNO3 = 2 Cu{2+} + 4 NO2 + I2 + 4 OH{-}

NH3 + NO2 = N2O + H2O =>
6 NH3 + 8 NO2 = 7 N2O + 9 H2O

Li + KNO3 = K + LiNO3 =>
Li + KNO3 = K + LiNO3

Li2I = I + Li =>
Li2I = I + 2 Li

H{+} + NO3{-} + S{2-} = NH4{+} + S + H2O =>
10 H{+} + NO3{-} + 4 S{2-} = NH4{+} + 4 S + 3 H2O

Cr + NiSO4 = Cr2(SO4) + Ni =>
2 Cr + NiSO4 = Cr2(SO4) + Ni

Fe + O3 = OFe =>
3 Fe + O3 = 3 OFe

MgCO3 + HCl = MgCl2 + H2CO3 =>
MgCO3 + 2 HCl = MgCl2 + H2CO3

K2SO4 + Na3PO4 = Na2SO4 + K3PO4 =>
3 K2SO4 + 2 Na3PO4 = 3 Na2SO4 + 2 K3PO4

CaCl2 + KNO3 = Ca(NO3)2 + KCl =>
CaCl2 + 2 KNO3 = Ca(NO3)2 + 2 KCl

CuI + KOH = CuOH + KI =>
CuI + KOH = CuOH + KI

B2O3 + C + Cl2 = BCl3 + CO =>
B2O3 + 3 C + 3 Cl2 = 2 BCl3 + 3 CO

C5H6O + O2 = CO2 + H2O =>
C5H6O + 6 O2 = 5 CO2 + 3 H2O

C7H8O + Cr2O7{-2} + H{+} = C7H6O2 + Cr{3+} + H2O =>
3 C7H8O + 2 Cr2O7{-2} + 16 H{+} = 3 C7H6O2 + 4 Cr{3+} + 11 H2O

Ca(OH)2 + H(NO3) = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 H(NO3) = Ca(NO3)2 + 2 H2O

Li + HBr = LiBr + H =>
Li + HBr = LiBr + H

HClO4(aq) + CsOH(aq) = CsClO4 + H2O =>
HClO4(aq) + CsOH(aq) = CsClO4 + H2O

C2H5OH + POCl3 = C2H5OPOCl2 + HCl =>
C2H5OH + POCl3 = C2H5OPOCl2 + HCl

C2H5CI + NaPb = (C2H5)4Pb + NaCI + Pb =>
4 C2H5CI + 4 NaPb = (C2H5)4Pb + 4 NaCI + 3 Pb

Na2CO3 + Ca(OCl)2 = CaCO3 + NaOCl =>
Na2CO3 + Ca(OCl)2 = CaCO3 + 2 NaOCl

C3H6 + H2O + KMnO4 = C3H8O2 + KOH + MnO2 =>
3 C3H6 + 4 H2O + 2 KMnO4 = 3 C3H8O2 + 2 KOH + 2 MnO2

SO2 + Na2CrO4 + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O =>
3 SO2 + 2 Na2CrO4 + 2 H2SO4 = 2 Na2SO4 + Cr2(SO4)3 + 2 H2O

Ca(H2PO4)2 + KF = CaF2 + KH2PO4 =>
Ca(H2PO4)2 + 2 KF = CaF2 + 2 KH2PO4

CuSO4 + H3PO4 = Cu3(PO4)2 + H2SO4 =>
3 CuSO4 + 2 H3PO4 = Cu3(PO4)2 + 3 H2SO4

Zn + CH3CH(Br)CH3 = ZnBr2 + (CH3)2CHCH(CH3)2 =>
Zn + 2 CH3CH(Br)CH3 = ZnBr2 + (CH3)2CHCH(CH3)2

Cu + HCl + O2 = CuCl + H2O =>
4 Cu + 4 HCl + O2 = 4 CuCl + 2 H2O

Re(ClO3)7 = Re + ClO3 =>
Re(ClO3)7 = Re + 7 ClO3

KClO + AlBr3 = AlCl3 + KBr + O2 =>
6 KClO + 2 AlBr3 = 2 AlCl3 + 6 KBr + 3 O2

C2H5OH + H2SO4 + K2Cr2O7 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 C2H5OH + 8 H2SO4 + 2 K2Cr2O7 = 3 CH3COOH + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O

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