| Équations équilibrées la veille |
2 Sb + 6 HNO3 = 2 Sb(NO3)3 + 3 H2
H3PO4 + Na2O2 = NaH3PO4 + O2 =>
2 H3PO4 + Na2O2 = 2 NaH3PO4 + O2
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CH4 + (O2) = C(O2) + H2O =>
CH4 + 2(O2) = C(O2) + 2 H2O
Cr2O3(s) + H2(l) = Cr(s) + H2O(g) =>
Cr2O3(s) + 3 H2(l) = 2 Cr(s) + 3 H2O(g)
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
Pb2{+} + NO3{-} + Br = PbBr2 + NO3 =>
Pb2{+} + NO3{-} + 4 Br = 2 PbBr2 + NO3
NO + KClO + KOH = H2O + KNO3 + KCl =>
2 NO + 3 KClO + 2 KOH = H2O + 2 KNO3 + 3 KCl
Ag + NaOCl = AgCl + NaO =>
Ag + NaOCl = AgCl + NaO
HI + K(SO4) = H(SO4) + (IK) =>
HI + K(SO4) = H(SO4) + (IK)
Mg(OH)2 + HCl(aq) = MgCl2 + HOH =>
Mg(OH)2 + 2 HCl(aq) = MgCl2 + 2 HOH
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
Na2SnO3 + Bi + H2O = Bi(OH)3 + Na2SnO2 =>
3 Na2SnO3 + 2 Bi + 3 H2O = 2 Bi(OH)3 + 3 Na2SnO2
Al(OH)3 + HClO4 = Al(ClO4)3 + H2O =>
Al(OH)3 + 3 HClO4 = Al(ClO4)3 + 3 H2O
ZrI4 = Zr + I2 =>
ZrI4 = Zr + 2 I2
Mg3B2 = Mg + B =>
Mg3B2 = 3 Mg + 2 B
Na2SnO3 + Bi + H2O = Bi(OH)3 + Na2SnO2 =>
3 Na2SnO3 + 2 Bi + 3 H2O = 2 Bi(OH)3 + 3 Na2SnO2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
H2O2 + C3H6O = C6H1O4 + H2O =>
15 H2O2 + 4 C3H6O = 2 C6H1O4 + 26 H2O
H2SO4 + C2H3O2{-} = C2H4O2 + HSO4{-} =>
H2SO4 + C2H3O2{-} = C2H4O2 + HSO4{-}
Cu(NO3)2(aq) + Ag(s) = AgNO3(aq) + Cu(s) =>
Cu(NO3)2(aq) + 2 Ag(s) = 2 AgNO3(aq) + Cu(s)
CH3OH + Ag2O = CHOOH + H2O + Ag =>
CH3OH + 2 Ag2O = CHOOH + H2O + 4 Ag
C6H8O7 + NaOH = H2O + Na3C6H5O7 =>
C6H8O7 + 3 NaOH = 3 H2O + Na3C6H5O7
SbO3 + CO2 = SbO4 + C =>
2 SbO3 + CO2 = 2 SbO4 + C
MnO2 + NaBiO3 + HNO3 = HMnO4 + BiONO3 + NaNO3 + H2O =>
2 MnO2 + 3 NaBiO3 + 6 HNO3 = 2 HMnO4 + 3 BiONO3 + 3 NaNO3 + 2 H2O
KF + MgSO4 = K2SO4 + MgF2 =>
2 KF + MgSO4 = K2SO4 + MgF2
CdS + HCl = CdCl2 + H2S =>
CdS + 2 HCl = CdCl2 + H2S
PbSO4 + H2O = PbS + H2O2 =>
PbSO4 + 4 H2O = PbS + 4 H2O2
Mg(s) + HCl(aq) = H2(g) + MgCl2(s) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(s)
S2O3{-2} + Cl2 + H2O = SO4{-2} + Cl{-} + H{+} =>
S2O3{-2} + 4 Cl2 + 5 H2O = 2 SO4{-2} + 8 Cl{-} + 10 H{+}
MgCl2 + KC2H3O2 = KCl + Mg(C2H3O2)2 =>
MgCl2 + 2 KC2H3O2 = 2 KCl + Mg(C2H3O2)2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HNO3 + FeO2H2 = FeN2O6 + H2O =>
2 HNO3 + FeO2H2 = FeN2O6 + 2 H2O
MgCl2(aq) + AgNO3(aq) = Mg(NO3)2 + AgCl(aq) =>
MgCl2(aq) + 2 AgNO3(aq) = Mg(NO3)2 + 2 AgCl(aq)
CaCl2 + W + H2O = WO4Ca + HCl + H =>
CaCl2 + W + 4 H2O = WO4Ca + 2 HCl + 6 H
CCl4 = C + Cl4 =>
CCl4 = C + Cl4
Ca + SnF2 = CaF2 + Sn =>
Ca + SnF2 = CaF2 + Sn
(NH4)2PC6 = P + NH4C + N2 + HC =>
3(NH4)2PC6 = 3 P + 2 NH4C + 2 N2 + 16 HC
H{+} + Cu + Cr2O7{2-} = Cu{2+} + Cr{3+} + H2O =>
14 H{+} + 3 Cu + Cr2O7{2-} = 3 Cu{2+} + 2 Cr{3+} + 7 H2O
Cr + Pb(C2H3O2)2 = Pb + Cr(C2H3O2)3 =>
2 Cr + 3 Pb(C2H3O2)2 = 3 Pb + 2 Cr(C2H3O2)3
C3H3N3O3 = C3N4 + CO2 + H2O =>
4 C3H3N3O3 = 3 C3N4 + 3 CO2 + 6 H2O
Fe2O3 + HNO3 + KOH = K2FeO4 + KNO2 + H2O =>
Fe2O3 + 3 HNO3 + 7 KOH = 2 K2FeO4 + 3 KNO2 + 5 H2O
CaCO3 + H2O = H2CO3 + Ca(OH)2 =>
CaCO3 + 2 H2O = H2CO3 + Ca(OH)2
HNO3 = N3O2 + H2O + O =>
6 HNO3 = 2 N3O2 + 3 H2O + 11 O
MgO + K3P = Mg3P2 + K2O =>
3 MgO + 2 K3P = Mg3P2 + 3 K2O
H2SO4 + Ag(OH)1 = Ag2SO4 + H2O =>
H2SO4 + 2 Ag(OH)1 = Ag2SO4 + 2 H2O
SiO2 + CaC2 = Si + CaO + CO2 =>
5 SiO2 + 2 CaC2 = 5 Si + 2 CaO + 4 CO2
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