| Équations équilibrées la veille |
3 Cl2 + 2 FeO3 = 2 FeCl3 + 3 O2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
K2Cr2O7 + sulfuricacid = potassiumsulfate + Cr2SO4 + water + oxygen =>
2 K2Cr2O7 + 4 H2SO4 = 2 K2SO4 + 2 Cr2SO4 + 4 H2O + 5 O2
CaP2O8 + SiO2 + C = CaSiO3 + P4 + CO =>
2 CaP2O8 + 2 SiO2 + 14 C = 2 CaSiO3 + P4 + 14 CO
SnO2(s) + C(s) = Sn(s) + CO2(g) =>
SnO2(s) + C(s) = Sn(s) + CO2(g)
KBr + HMnO4 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
10 KBr + 2 HMnO4 + 7 H2SO4 = 5 Br2 + 2 MnSO4 + 5 K2SO4 + 8 H2O
ZnSO4 + BaBr2 = BaSO4 + ZnBr2 =>
ZnSO4 + BaBr2 = BaSO4 + ZnBr2
HCOH + CuO = HCOOH + Cu2O =>
HCOH + 2 CuO = HCOOH + Cu2O
K2FeO4 + NaI + H2SO4 = K2SO4 + Na2SO4 + Fe2SO4 + H2O + I2 =>
2 K2FeO4 + 10 NaI + 8 H2SO4 = 2 K2SO4 + 5 Na2SO4 + Fe2SO4 + 8 H2O + 5 I2
CO2 + KMnO4 = KMnO6 + C =>
CO2 + KMnO4 = KMnO6 + C
Na2CO3(aq) + Ni(NO3)2(aq) = NiCO3(s) + NaNO3(aq) =>
Na2CO3(aq) + Ni(NO3)2(aq) = NiCO3(s) + 2 NaNO3(aq)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Na2S2O5 + NaOCl + H2O = NaHSO4 + NaCl =>
Na2S2O5 + 2 NaOCl + H2O = 2 NaHSO4 + 2 NaCl
CH3COOH + Na2CO3 = NaCOOCH3 + CO2 + H2O =>
2 CH3COOH + Na2CO3 = 2 NaCOOCH3 + CO2 + H2O
PCl5 + H2O = POCl3 + HCl =>
PCl5 + H2O = POCl3 + 2 HCl
CH3OH079118 + O2 = CO2 + H2O =>
4 CH3OH079118 + 79123 O2 = 4 CO2 + 158242 H2O
CrCl3 + Na3PO4 = NaCl + CrPO4 =>
CrCl3 + Na3PO4 = 3 NaCl + CrPO4
Zn + NaOH = Na2(ZnO2) + H2 =>
Zn + 2 NaOH = Na2(ZnO2) + H2
H2O3Pt + SiO2 + H2 = H2O + Pt2SiO2 =>
2 H2O3Pt + SiO2 + 4 H2 = 6 H2O + Pt2SiO2
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
CH3CH2Br + CH3CH2OK = CH3CH2OCH2CH3 + KBr =>
CH3CH2Br + CH3CH2OK = CH3CH2OCH2CH3 + KBr
Mg2 + HF2 = Mg2F2 + H2 =>
2 Mg2 + 2 HF2 = 2 Mg2F2 + H2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Co + Ca3(PO4)2 = Co(PO4)2 + Ca3 =>
Co + Ca3(PO4)2 = Co(PO4)2 + Ca3
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
Mg3N2 + NH4 = MgH2 + N2 =>
4 Mg3N2 + 6 NH4 = 12 MgH2 + 7 N2
Ba(NO3)2 + H3PO4 = Ba3(PO4)2 + H6(NO3)6 =>
3 Ba(NO3)2 + 2 H3PO4 = Ba3(PO4)2 + H6(NO3)6
Na(ClO4)2 = NaCl2 + O2 =>
Na(ClO4)2 = NaCl2 + 4 O2
Hg + (NH4)2S = Hg(NH4)2 + S =>
Hg + (NH4)2S = Hg(NH4)2 + S
C + O2 = CO2 =>
C + O2 = CO2
FeC2O4 + H2O2 + K2C2O4 + H2O = K3[Fe(C2O4)3]*3H2O + Fe2O3 =>
6 FeC2O4 + 3 H2O2 + 6 K2C2O4 + 9 H2O = 4 K3[Fe(C2O4)3]*3H2O + Fe2O3
Pb(s) + PbO2(l) + H2SO4(l) = PbSO4(aq) + H2O(l) =>
Pb(s) + PbO2(l) + 2 H2SO4(l) = 2 PbSO4(aq) + 2 H2O(l)
NiCl2 + FeO2H = NiO + FeCl3 + HCl =>
2 NiCl2 + FeO2H = 2 NiO + FeCl3 + HCl
LaCl3 + Na2CO3 = La2(CO3)3 + NaCl =>
2 LaCl3 + 3 Na2CO3 = La2(CO3)3 + 6 NaCl
CO2(g) + H2(g) = C2H2(g) + H2O(g) =>
2 CO2(g) + 5 H2(g) = C2H2(g) + 4 H2O(g)
H2CO3 + Fe2O3 = Fe2(CO3)3 + H2O =>
3 H2CO3 + Fe2O3 = Fe2(CO3)3 + 3 H2O
OH{-} + NO2{-} + Cu{2+} = NO3{-} + Cu{+} + H2O =>
2 OH{-} + NO2{-} + 2 Cu{2+} = NO3{-} + 2 Cu{+} + H2O
Al(NO3)2 = Al2O3 + NO2 + O2 =>
4 Al(NO3)2 = 2 Al2O3 + 8 NO2 + O2
KI + H2O2 + HCl = I3K + H2O + KCl =>
3 KI + H2O2 + 2 HCl = I3K + 2 H2O + 2 KCl
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
C6H12O6 + CuSO4*5H2O + NaOH = C6H12O7Na + Cu2O + Na2SO4 + H2O =>
2 C6H12O6 + 2 CuSO4*5H2O + 6 NaOH = 2 C6H12O7Na + Cu2O + 2 Na2SO4 + 13 H2O
Ca2 + H2O = H + Ca2(OH)2 =>
Ca2 + 2 H2O = 2 H + Ca2(OH)2
C17H35COOH + O2 = CO2 + H2O =>
C17H35COOH + 26 O2 = 18 CO2 + 18 H2O
Mg + Cu(SO4) = Mg(SO4) + Cu =>
Mg + Cu(SO4) = Mg(SO4) + Cu
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
BaCl2(aq) + Na2SO4(aq) = Cl2Na2(aq) + BaSO4(aq) =>
BaCl2(aq) + Na2SO4(aq) = Cl2Na2(aq) + BaSO4(aq)
KCl(aq) + Na2SO4(aq) = K2SO4(aq) + NaCl =>
2 KCl(aq) + Na2SO4(aq) = K2SO4(aq) + 2 NaCl
AlCl + Na = Al + NaCl =>
AlCl + Na = Al + NaCl
Na2S + Fe(ii)Br2 = NaBr + Fe(ii)S =>
Na2S + Fe(ii)Br2 = 2 NaBr + Fe(ii)S
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
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