| Équations équilibrées la veille |
2 Zn + SnCl2 = Sn + 2 ZnCl
K2Cr2O7 = Cr2 + K + O =>
K2Cr2O7 = Cr2 + 2 K + 7 O
Br + F2 = BrF =>
2 Br + F2 = 2 BrF
CuN2O6 + Na2S = CuS + NaNO3 =>
CuN2O6 + Na2S = CuS + 2 NaNO3
Al2O3 + H2SeO4 = Al2(SeO4)3 + H2O =>
Al2O3 + 3 H2SeO4 = Al2(SeO4)3 + 3 H2O
Fe(SCN)3 + H2SO4 = HSCN + Fe2(SO4)3 =>
2 Fe(SCN)3 + 3 H2SO4 = 6 HSCN + Fe2(SO4)3
Mg + O = MgO =>
Mg + O = MgO
Fe + (Cr2O7){-2} + H{+} = Fe{+3} + Cr(OH)3 + H2O =>
2 Fe + (Cr2O7){-2} + 8 H{+} = 2 Fe{+3} + 2 Cr(OH)3 + H2O
Pb(OH) + Na2SnO2 = Pb + Na2SnO3 + H2O =>
2 Pb(OH) + Na2SnO2 = 2 Pb + Na2SnO3 + H2O
HC2H3O2 + NaOH = HOH + NaC2H3O2 =>
HC2H3O2 + NaOH = HOH + NaC2H3O2
MgCl2 + Li3Po4 = Mg3(Po4)2 + LiCl =>
3 MgCl2 + 2 Li3Po4 = Mg3(Po4)2 + 6 LiCl
KL(aq) + Cl2(g) = KCl(aq) + L2(s) =>
2 KL(aq) + Cl2(g) = 2 KCl(aq) + L2(s)
PbCl2 + Br2 + KOH = Pb(OH)2 + BrCl + KBr =>
PbCl2 + 2 Br2 + 2 KOH = Pb(OH)2 + 2 BrCl + 2 KBr
PBS + HNO3 = PB(NO3)2 + NO2 + S + H2O =>
PBS + 4 HNO3 = PB(NO3)2 + 2 NO2 + S + 2 H2O
K2(HCO3)2 + HNO3 = KNO3 + H2O + CO2 =>
K2(HCO3)2 + 2 HNO3 = 2 KNO3 + 2 H2O + 2 CO2
KMnO4 + CH3CHOHCH3 + H2SO4 = MnSO4 + CH3COCH3 + K2SO4 + H2O =>
2 KMnO4 + 5 CH3CHOHCH3 + 3 H2SO4 = 2 MnSO4 + 5 CH3COCH3 + K2SO4 + 8 H2O
NH2CH2COOH + LiOH = LiH2CH2COOH + NOHNH2CH2COOLi + H2O =>
2 NH2CH2COOH + 2 LiOH = LiH2CH2COOH + NOHNH2CH2COOLi + H2O
LiSO4 + AgCH3COO = LiCH3COO + AgSO4 =>
LiSO4 + AgCH3COO = LiCH3COO + AgSO4
K2CO3 + H2C2O4 = CO2 + K2C2O4 + H2O =>
K2CO3 + H2C2O4 = CO2 + K2C2O4 + H2O
BeCl2 + AgNO3 = Be(NO3)2 + AgCl =>
BeCl2 + 2 AgNO3 = Be(NO3)2 + 2 AgCl
Sb2O5 = Sb + O2 =>
2 Sb2O5 = 4 Sb + 5 O2
Au + NaOH = AuNa + OH =>
Au + NaOH = AuNa + OH
Fe{3+} + HCl = FeCl3 + H{+} =>
Fe{3+} + 3 HCl = FeCl3 + 3 H{+}
Gd2O3 + HNO3 + H2O = Gd(NO3)3*4H2O =>
Gd2O3 + 6 HNO3 + 5 H2O = 2 Gd(NO3)3*4H2O
MnO4{-}(aq) + C2O4{2-}(aq) + H{+} = Mn{2+}(aq) + CO2(g) + H2O(l) =>
2 MnO4{-}(aq) + 5 C2O4{2-}(aq) + 16 H{+} = 2 Mn{2+}(aq) + 10 CO2(g) + 8 H2O(l)
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
K2Cr2O7 + H2C2O4 + K2C2O4 = K3[Cr(C2O4)3]*3H2O + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4 + 2 K2C2O4 = 2 K3[Cr(C2O4)3]*3H2O + 6 CO2 + H2O
C4H9COOH + Li = C4H9COOLi + H2 =>
2 C4H9COOH + 2 Li = 2 C4H9COOLi + H2
CrCl3 + KNO3 + KOH = K2CrO4 + KNO2 + KCl + H2O =>
2 CrCl3 + 3 KNO3 + 10 KOH = 2 K2CrO4 + 3 KNO2 + 6 KCl + 5 H2O
BrO3{-} + e + H2O = Br2 + OH{-} =>
2 BrO3{-} + 10e + 6 H2O = Br2 + 12 OH{-}
Na2SO3 + Pb(NO3)2 + H2O = NaNO3 + Pb(OH)2 + SO2 =>
Na2SO3 + Pb(NO3)2 + H2O = 2 NaNO3 + Pb(OH)2 + SO2
C2H2O2 = H2 + O2 + C =>
C2H2O2 = H2 + O2 + 2 C
SnS2 + H2O + HNO3 = H2SnO3 + NO + S3 =>
3 SnS2 + H2O + 4 HNO3 = 3 H2SnO3 + 4 NO + 2 S3
CH2O2 + Ca(OH)2 = CaCOO + H2O =>
CH2O2 + Ca(OH)2 = CaCOO + 2 H2O
C(S) + S(S) = CS2(l) =>
2 C(S) + S(S) = 2 CS2(l)
H2C2O4 + K(OH) = K2C2O4 + H2O =>
H2C2O4 + 2 K(OH) = K2C2O4 + 2 H2O
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
Ca(NO3)2 + HCl = CaCl2 + HNO3* =>
Ca(NO3)2 + 2 HCl = CaCl2 + 2 HNO3*
FeNO3 + KSCN = K(NO3) + Fe(SCN) =>
FeNO3 + KSCN = K(NO3) + Fe(SCN)
Ti(C3H7O)4 + H2O = Ti(OH)4 + C3H7OH =>
Ti(C3H7O)4 + 4 H2O = Ti(OH)4 + 4 C3H7OH
VideMg + O2 = VideMgO =>
2 VideMg + O2 = 2 VideMgO
H2O2 + PbS = H2O + PbSO4 =>
4 H2O2 + PbS = 4 H2O + PbSO4
SeO2 + KOH = SeOH + KO2 =>
SeO2 + KOH = SeOH + KO2
BaCl2 + Na2CrO4 = BaCrO4 + NaCl =>
BaCl2 + Na2CrO4 = BaCrO4 + 2 NaCl
Mg(OH)2 = Mg + OH =>
Mg(OH)2 = Mg + 2 OH
HNO3(aq) + CaCO3(s) = Ca(NO3)2(aq) + H2O(l) + CO2 =>
2 HNO3(aq) + CaCO3(s) = Ca(NO3)2(aq) + H2O(l) + CO2
Al2O3 + Cd = CdO + Al =>
Al2O3 + 3 Cd = 3 CdO + 2 Al
Li2O + H3PO4 = Li3PO4 + H2O =>
3 Li2O + 2 H3PO4 = 2 Li3PO4 + 3 H2O
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
Fe(NO3)3 + O2 = Fe2O3 + NO3 =>
4 Fe(NO3)3 + 3 O2 = 2 Fe2O3 + 12 NO3
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