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Équations chimiques équilibrées sur04/29/25

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Zn(SO4)2 + Na(PO4)2 = Zn(PO4)2 + Na(SO4)2 =>
Zn(SO4)2 + Na(PO4)2 = Zn(PO4)2 + Na(SO4)2

Fe2S3 + O2 + H2O = Fe(OH)3 + S2 =>
2 Fe2S3 + 3 O2 + 6 H2O = 4 Fe(OH)3 + 3 S2

CH3OH + CuO = CH3COCH3 + Cu + H2O =>
3 CH3OH + CuO = CH3COCH3 + Cu + 3 H2O

V + HNO3 = V(NO3)2 + N2 + H2O =>
5 V + 12 HNO3 = 5 V(NO3)2 + N2 + 6 H2O

Ca10(PO4)6(OH)2 + H2SO4 = Ca(H2PO4)2 + CaSO4 + H2O =>
Ca10(PO4)6(OH)2 + 7 H2SO4 = 3 Ca(H2PO4)2 + 7 CaSO4 + 2 H2O

ZnO + H2 = O2 + ZnH =>
2 ZnO + H2 = O2 + 2 ZnH

KHSO4 + Ca(NO3)2 = K2SO4 + HNO3 + CaSO4 =>
2 KHSO4 + Ca(NO3)2 = K2SO4 + 2 HNO3 + CaSO4

Ca(SO4) + NaOH = Na2SO4 + Ca(OH)2 =>
Ca(SO4) + 2 NaOH = Na2SO4 + Ca(OH)2

Ho(NO3)3*5H2O + HfCl4 = Ho2Hf2O7 + HCl + HNO3 + H2O =>
2 Ho(NO3)3*5H2O + 2 HfCl4 = Ho2Hf2O7 + 8 HCl + 6 HNO3 + 3 H2O

MgOHCl = Mg(OH)2 + MgCl2 =>
2 MgOHCl = Mg(OH)2 + MgCl2

Cr + Fe{3+} + H2O = CrO4{2-} + Fe{2+} + H3O{+} =>
Cr + 6 Fe{3+} + 12 H2O = CrO4{2-} + 6 Fe{2+} + 8 H3O{+}

HNO3 + Mg = H + Mg(NO3)3 =>
3 HNO3 + Mg = 3 H + Mg(NO3)3

Sn + HNO3 + HCl = SnCl4 + NO + H2O =>
3 Sn + 4 HNO3 + 12 HCl = 3 SnCl4 + 4 NO + 8 H2O

MnO + HCl = MnCl + Cl2 + H2O =>
2 MnO + 4 HCl = 2 MnCl + Cl2 + 2 H2O

KClO3 + MgNO3 = MgClO3 + KNO3 =>
KClO3 + MgNO3 = MgClO3 + KNO3

NiSO4 + NH3 = NiSO4(NH3) =>
NiSO4 + NH3 = NiSO4(NH3)

Cr2O3 + NaBrO3 + NaOH = NaCrO4 + H2O + Br2 =>
5 Cr2O3 + 8 NaBrO3 + 2 NaOH = 10 NaCrO4 + H2O + 4 Br2

H2S + Pb(NO3)2 = H2(NO3)2 + PbS =>
H2S + Pb(NO3)2 = H2(NO3)2 + PbS

SnO + HNO2 = SnO2 + NO + H2O =>
SnO + 2 HNO2 = SnO2 + 2 NO + H2O

K2SO3(aq) + HBr(aq) = KBr + H2SO3 =>
K2SO3(aq) + 2 HBr(aq) = 2 KBr + H2SO3

Au + KCN + O2 + H2O = K[Au(CN)2] + KOH =>
4 Au + 8 KCN + O2 + 2 H2O = 4 K[Au(CN)2] + 4 KOH

CH3CH2COOH + Ag2O = CH3CH2COOOH + Ag =>
CH3CH2COOH + Ag2O = CH3CH2COOOH + 2 Ag

C19H34O2 + O2 = CO2 + H2O =>
2 C19H34O2 + 53 O2 = 38 CO2 + 34 H2O

CH3CH2COOH + Ag2O = CH3CH2COOOH + Ag =>
CH3CH2COOH + Ag2O = CH3CH2COOOH + 2 Ag

V + H2SO4 = VSO4 + H =>
V + H2SO4 = VSO4 + 2 H

CH3CH2COOH + Ag2O = CH3CH2COOOH + Ag =>
CH3CH2COOH + Ag2O = CH3CH2COOOH + 2 Ag

Sr(NO3)2 + K2S = SrS + KNO3 =>
Sr(NO3)2 + K2S = SrS + 2 KNO3

H2O + NaOH = H3O2Na =>
H2O + NaOH = H3O2Na

Al(OH)3 + H2SO4 = Al16(SO4)24 + H2O =>
16 Al(OH)3 + 24 H2SO4 = Al16(SO4)24 + 48 H2O

CH3CH2COOH + Ag2O = CH3CH2COOOH + Ag =>
CH3CH2COOH + Ag2O = CH3CH2COOOH + 2 Ag

MgSO4 + K2(CO3) = K2(SO4) + MgCO3 =>
MgSO4 + K2(CO3) = K2(SO4) + MgCO3

CH3CH2COOH + Ag2O = CH3CH2COOOH + Ag =>
CH3CH2COOH + Ag2O = CH3CH2COOOH + 2 Ag

KI + CuSO4*5H2O = K2SO4 + CuI + H2O + I3 =>
6 KI + 3 CuSO4*5H2O = 3 K2SO4 + 3 CuI + 15 H2O + I3

H2O + As2O3 + NO3{-} = H3AsO4 + NO + e =>
3 H2O + As2O3 + NO3{-} = 2 H3AsO4 + NO + e

CH3CH2COOH + Ag2O = CH3CH2COOOH + Ag =>
CH3CH2COOH + Ag2O = CH3CH2COOOH + 2 Ag

SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O

Pb(NO3)2 + (NH4)2SO4 = (NH4)2 + (NO3)2 + PbSO4 =>
Pb(NO3)2 + (NH4)2SO4 = (NH4)2 + (NO3)2 + PbSO4

PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2

C4H8O3 + H2 = CH3CH2OH + CH3OH =>
C4H8O3 + 3 H2 = CH3CH2OH + 2 CH3OH

CO(NH2)2 + KOH + O2 = KNO3 + CO2 + H2O =>
CO(NH2)2 + 2 KOH + 4 O2 = 2 KNO3 + CO2 + 3 H2O

Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O

Be + HOH = Be(OH)2 + H2 =>
Be + 2 HOH = Be(OH)2 + H2

Zn + AgNO3 = Ag + Zn3(NO3)2 =>
3 Zn + 2 AgNO3 = 2 Ag + Zn3(NO3)2

Cl2 + I2 + H2O = HIO3 + ClH =>
5 Cl2 + I2 + 6 H2O = 2 HIO3 + 10 ClH

CaCl + Ag(I)NO3 = Ag(I)Cl + CaNO3 =>
CaCl + Ag(I)NO3 = Ag(I)Cl + CaNO3

ZnBr2 + Cu = CuBr + Zn =>
ZnBr2 + 2 Cu = 2 CuBr + Zn

P + HIO3 + H2O = H3PO4 + HI =>
6 P + 5 HIO3 + 9 H2O = 6 H3PO4 + 5 HI

NaHCO3(s)(heat) = Na2O(s) + CO2(g) + H2O(g) =>
2 NaHCO3(s)(heat) = Na2O(s) + 2 CO2(g) + H2O(g)

H2O2 + C = CO + H2 =>
H2O2 + 2 C = 2 CO + H2

CuCO3 + HCl = CuCl2 + CO2 + H2O =>
CuCO3 + 2 HCl = CuCl2 + CO2 + H2O

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