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Équations chimiques équilibrées sur05/19/24

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SCN = C + S4 + N8 =>
8 SCN = 8 C + 2 S4 + N8

K2SO4(aq) + Pb(NO3)2(aq) = PbSO4(s) + KNO3 =>
K2SO4(aq) + Pb(NO3)2(aq) = PbSO4(s) + 2 KNO3

Na2S2O3 + HOCl = Na2SO4 + S + HCl =>
Na2S2O3 + HOCl = Na2SO4 + S + HCl

KIFe3NO3 = KNO3Fe3I =>
KIFe3NO3 = KNO3Fe3I

CoOHNO3 + HCl = (CoOH)Cl + HNO3 =>
CoOHNO3 + HCl = (CoOH)Cl + HNO3

K + SI = KSI =>
K + SI = KSI

CoOHNO3 + HCl = (CoOH)Cl + HNO3 =>
CoOHNO3 + HCl = (CoOH)Cl + HNO3

N3 + Ca2 = Ca3N2 =>
4 N3 + 9 Ca2 = 6 Ca3N2

AgL + Fe2(CO3)3 = Ag2CO3 + FeL3 =>
6 AgL + Fe2(CO3)3 = 3 Ag2CO3 + 2 FeL3

KClO3 + SnSO4 + KOH + H2O = K2[Sn(OH)6] + K2SO4 + KCl =>
KClO3 + 3 SnSO4 + 12 KOH + 3 H2O = 3 K2[Sn(OH)6] + 3 K2SO4 + KCl

CuFeS2 + O2 + H2O = CuFeSO4 + H2SO4 =>
2 CuFeS2 + 7 O2 + 2 H2O = 2 CuFeSO4 + 2 H2SO4

H2SO4 = H2O + SO2 + O2 =>
2 H2SO4 = 2 H2O + 2 SO2 + O2

Pb + NaBr = PbBr3 + Na =>
Pb + 3 NaBr = PbBr3 + 3 Na

Fe{3+} + NCS{-} = Fe(NCS)3 =>
Fe{3+} + 3 NCS{-} = Fe(NCS)3

S2O3{2-} + H2O = SO4{-2} + H{+} + {-} =>
S2O3{2-} + 5 H2O = 2 SO4{-2} + 10 H{+} + 8e

K2CrO4(aq) + Na2CO3(aq) = K2CO3(aq) + Na2CrO4(aq) =>

K2CrO4(aq) + Na2CO3(aq) = K2CO3(aq) + Na2CrO4(aq)

Na + G = Na2G =>
2 Na + G = Na2G

CaCl2 + K2(CO3) = Ca(CO3) + KCl =>
CaCl2 + K2(CO3) = Ca(CO3) + 2 KCl

CH3CONH2 + HNO2 = CH3COH + N2 + H2O =>
3 CH3CONH2 + HNO2 = 3 CH3COH + 2 N2 + 2 H2O

H3C6H3O7 + NaHCO3 = CO2 + H2O + NaC6H3O7 =>
7 H3C6H3O7 + 8 NaHCO3 = 2 CO2 + 13 H2O + 8 NaC6H3O7

AlBrNa(HO) = Al(HO)NaBr =>
AlBrNa(HO) = Al(HO)NaBr

Zn + Pb(ii)Acetate = Pb + ZnAcetate =>
Zn + Pb(ii)Acetate = Pb + ZnAcetate

NCl3 = N2 + Cl3 =>
2 NCl3 = N2 + 2 Cl3

KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2

Mn(NO3)4KOH = MnOHK(NO3)4 =>
Mn(NO3)4KOH = MnOHK(NO3)4

H5N + Mg(OH)2 = Mg5N2 + H2O =>
2 H5N + 5 Mg(OH)2 = Mg5N2 + 10 H2O

Zn(C2H3O2)2 + KNO3(aq) = KC2H3O2 + Zn(NO3)2 =>
Zn(C2H3O2)2 + 2 KNO3(aq) = 2 KC2H3O2 + Zn(NO3)2

CaH2(s) + H2O(l) = Ca(HO)2(aq) + H2(g) =>
CaH2(s) + 2 H2O(l) = Ca(HO)2(aq) + 2 H2(g)

Gd2O3Cr2O3O2 = GdCrO4 =>
Gd2O3Cr2O3O2 = 2 GdCrO4

CH3OH + Cr2O72{-} + H{+} = CH2O + Cr3{+} + H2O =>
427 CH3OH + 6 Cr2O72{-} + 10 H{+} = 427 CH2O + 4 Cr3{+} + 432 H2O

C4H6O6 + O2 = CO2 + H2O =>
2 C4H6O6 + 5 O2 = 8 CO2 + 6 H2O

(CH3COO)2Ba + NaHSO4 = CH3COONa + BaSO4 + H2SO4 =>
(CH3COO)2Ba + 2 NaHSO4 = 2 CH3COONa + BaSO4 + H2SO4

Zn(s)CuBr2(aq) = ZnBr2(aq)Cu(aq) =>
Zn(s)CuBr2(aq) = ZnBr2(aq)Cu(aq)

CH3OH(aq) + HOC6H4COOH(aq) = C6H4OHCOOCH3(aq) + H2O =>
CH3OH(aq) + HOC6H4COOH(aq) = C6H4OHCOOCH3(aq) + H2O

C + H2O3 = H2CO3 =>
C + H2O3 = H2CO3

C5H11O + O2 = CO2 + H2O =>
4 C5H11O + 29 O2 = 20 CO2 + 22 H2O

Br2 + KY = KBr + Y =>
Br2 + 2 KY = 2 KBr + 2 Y

Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O

KCl + Ca = K + CaCl =>
KCl + Ca = K + CaCl

(NH)CO(aq)NaOH(aq) = NaCO(aq)NH(g)HO(l) =>
(NH)CO(aq)NaOH(aq) = NaCO(aq)NH(g)HO(l)

Ni(s)Fe(NO3)2(aq) = Ni(NO3)2(aq)Fe(s) =>
Ni(s)Fe(NO3)2(aq) = Ni(NO3)2(aq)Fe(s)

MgO + H2O + Cr = Cr(OH)2 + Mg =>
MgO + H2O + Cr = Cr(OH)2 + Mg

Cr(NO3)2 + LiPO4 = Cr(PO4)2 + LiNO3 =>
Cr(NO3)2 + 2 LiPO4 = Cr(PO4)2 + 2 LiNO3

Na3(PO4) + Ca(NO3)2 = Na(NO3) + Ca3(PO4)2 =>
2 Na3(PO4) + 3 Ca(NO3)2 = 6 Na(NO3) + Ca3(PO4)2

F3CCOOHH2O = F3CCOOH3O =>
F3CCOOHH2O = F3CCOOH3O

CH3COOH(aq) + Na2O(aq) = CH3COONa(aq) + H2O(l) =>
2 CH3COOH(aq) + Na2O(aq) = 2 CH3COONa(aq) + H2O(l)

C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O

HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O

NaOH(aq)KI(s) = K(OH)(aq)NaI(s) =>
NaOH(aq)KI(s) = K(OH)(aq)NaI(s)

Ca(HSO3)2 + HBr = CaBr2 + H2O + SO2 =>
Ca(HSO3)2 + 2 HBr = CaBr2 + 2 H2O + 2 SO2

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