| Équations équilibrées la veille |
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
H3C6O7 + NaHCO3 = CO2 + H2O + Na3C6H5O7 =>
18 H3C6O7 + 39 NaHCO3 = 69 CO2 + 14 H2O + 13 Na3C6H5O7
CNa = NaC =>
CNa = NaC
Pb + AgNO3 = Pb(NO3)2 + Ag =>
Pb + 2 AgNO3 = Pb(NO3)2 + 2 Ag
Fe2(SO4)3 + NaOH = Fe(OH)3 + (Na2)1SO4 =>
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3(Na2)1SO4
WO3 + V2O5 + W = WV2O6 =>
WO3 + 3 V2O5 + 2 W = 3 WV2O6
Ca + Na2O = Na + CaO =>
Ca + Na2O = 2 Na + CaO
Na2S + Fe(CH3COO)3 = Fe2S3 + CH3COONa =>
3 Na2S + 2 Fe(CH3COO)3 = Fe2S3 + 6 CH3COONa
CaCl2 + Na2SO4 = Ca(ClO)2 + Na2S =>
2 CaCl2 + Na2SO4 = 2 Ca(ClO)2 + Na2S
FeS2 + HNO3 = Fe2(NO4)4 + H2SO4 + NO + H2O =>
2 FeS2 + 16 HNO3 = Fe2(NO4)4 + 4 H2SO4 + 12 NO + 4 H2O
C3H5(OH)3 + K2Cr2O7 + H2SO4 = C3H6O3 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C3H5(OH)3 + K2Cr2O7 + 4 H2SO4 = 3 C3H6O3 + K2SO4 + Cr2(SO4)3 + 7 H2O
Mg(NO3)2 + Na2CO3 + H2O = (MgOH)2CO3 + NaNO3 + CO2 =>
2 Mg(NO3)2 + 2 Na2CO3 + H2O = (MgOH)2CO3 + 4 NaNO3 + CO2
P2O5 + HNO3 = HPO3 + N2O5 =>
P2O5 + 2 HNO3 = 2 HPO3 + N2O5
KH2PO4 = P2O5 + KOH + H2O =>
2 KH2PO4 = P2O5 + 2 KOH + H2O
Ba(OH)2 + HC7H5O2 = H2O + C7H5O2{-} + Ba{2+} =>
Ba(OH)2 + 2 HC7H5O2 = 2 H2O + 2 C7H5O2{-} + Ba{2+}
N + HClO = N(ClO) + H =>
N + HClO = N(ClO) + H
BiN3O9 + H2O = BiO5H2N + HNO3 =>
BiN3O9 + 2 H2O = BiO5H2N + 2 HNO3
BaCl2(aq) + AgNO3(aq) = Ba(NO3)2 + AgCl =>
BaCl2(aq) + 2 AgNO3(aq) = Ba(NO3)2 + 2 AgCl
K2Cr2O7 + H2C2O4H4O2 = K[Cr(C2O4)2(H2O)2]H4O2 + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4H4O2 = 2 K[Cr(C2O4)2(H2O)2]H4O2 + 6 CO2 + 13 H2O
Al + C9H7NO = Al(C9H7NO)3 =>
Al + 3 C9H7NO = Al(C9H7NO)3
(NH4)2(SO4) + BaCl2 = NH4Cl + Ba(SO4) =>
(NH4)2(SO4) + BaCl2 = 2 NH4Cl + Ba(SO4)
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
LiI + AgNO3 = AgI + LiNO3 =>
LiI + AgNO3 = AgI + LiNO3
Zn(s) + HCl(aq) = ZnCl2(ah) + H2(g) =>
Zn(s) + 2 HCl(aq) = ZnCl2(ah) + H2(g)
C2H2(g) + F2(g) = HF(g) + CF4(g) =>
C2H2(g) + 5 F2(g) = 2 HF(g) + 2 CF4(g)
CN4H6O3 + C2N6O12 = CO2 + N2 + H2O =>
4 CN4H6O3 + C2N6O12 = 6 CO2 + 11 N2 + 12 H2O
Na + CaCl2 = Ca + NaCl =>
2 Na + CaCl2 = Ca + 2 NaCl
KClO = KCl + O =>
KClO = KCl + O
HCHO + [Ag(NH3)2]OH = (NH4)2CO3 + Ag + H2O + NH3 =>
HCHO + 4[Ag(NH3)2]OH = (NH4)2CO3 + 4 Ag + 2 H2O + 6 NH3
H2C2O4 + NaOH = water + NaHC2O4 =>
H2C2O4 + NaOH = H2O + NaHC2O4
MoO2 + CH4 = Mo2C + CO + H2 =>
2 MoO2 + 5 CH4 = Mo2C + 4 CO + 10 H2
Cu + Zn(OH)2 = CuOH + Zn =>
2 Cu + Zn(OH)2 = 2 CuOH + Zn
NaOH(aq) + Pb(NO3)2(aq) = Na(NO3)2 + Pb(OH) =>
NaOH(aq) + Pb(NO3)2(aq) = Na(NO3)2 + Pb(OH)
H2SO4(aq) + NaOH(aq) = H2O(l) + Na2SO4(aq) =>
H2SO4(aq) + 2 NaOH(aq) = 2 H2O(l) + Na2SO4(aq)
Cu + Ag(NO3)3 = Ag + Cu(NO3)2 =>
3 Cu + 2 Ag(NO3)3 = 2 Ag + 3 Cu(NO3)2
Al2O3 + Na2O = NaAlO2 =>
Al2O3 + Na2O = 2 NaAlO2
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Ba + HNO3 = Ba(NO3)2 + HN3 + H2O =>
8 Ba + 19 HNO3 = 8 Ba(NO3)2 + HN3 + 9 H2O
HCH3COOH + Ca(OH)2 = H2O + CH4 + Ca3COO2 =>
4 HCH3COOH + 21 Ca(OH)2 = 29 H2O + CH4 + 7 Ca3COO2
Na + Mg + O2 = NaMgO =>
2 Na + 2 Mg + O2 = 2 NaMgO
Mg + Zn3(PO4)2 = MgZn3(PO4)2 =>
Mg + Zn3(PO4)2 = MgZn3(PO4)2
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l) =>
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l)
(CH3)2N2H2 + ClF3 = CF4 + HCl + HF + N2 =>
(CH3)2N2H2 + 4 ClF3 = 2 CF4 + 4 HCl + 4 HF + N2
Na3PO4 + CoCl = (Na3)2Cl3 + (PO4)2Co3 =>
2 Na3PO4 + 3 CoCl = (Na3)2Cl3 + (PO4)2Co3
H2 + Br = H2Br =>
H2 + Br = H2Br
CaI2 + BaO = CaO + BaI2 =>
CaI2 + BaO = CaO + BaI2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe(aq) + AgNO3 = Fe(NO3)2 + Ag =>
Fe(aq) + 2 AgNO3 = Fe(NO3)2 + 2 Ag
Al2O3 + Na2O = NaAlO2 =>
Al2O3 + Na2O = 2 NaAlO2
NH4Cl + NaOH = NH3 + H2O + NaCl = =>
NH4Cl + NaOH = NH3 + H2O + NaCl
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