| Équations équilibrées la veille |
3 BrCl + Ag3N = Br3N + 3 AgCl
(CH3)2NNH2 + N2O4 = CO2 + H2O + N6 =>
(CH3)2NNH2 + 2 N2O4 = 2 CO2 + 4 H2O + N6
ZnO + HCl = Zn + H2O2 + Cl =>
2 ZnO + 2 HCl = 2 Zn + H2O2 + 2 Cl
AlS + Fe2O3 = FeS + Al2O3 =>
2 AlS + Fe2O3 = 2 FeS + Al2O3
PhCHOCOCH3 + KMnO4 + H2SO4 = Ph(COOH)2 + CO2 + MnSO4 + K2SO4 + H2O =>
PhCHOCOCH3 + 2 KMnO4 + 3 H2SO4 = Ph(COOH)2 + CO2 + 2 MnSO4 + K2SO4 + 4 H2O
Fe(NO3)2*6H2O = Fe2O3 + HNO3 + NO + H2O =>
6 Fe(NO3)2*6H2O = 3 Fe2O3 + 10 HNO3 + 2 NO + 31 H2O
SnCl4 + BCl3 + H2 = SnB2 + HCl6 =>
6 SnCl4 + 12 BCl3 + 5 H2 = 6 SnB2 + 10 HCl6
C4H9OH + H2CrO4 = C4H8OOH + CrH2 + H2O =>
8 C4H9OH + 3 H2CrO4 = 8 C4H8OOH + 3 CrH2 + 4 H2O
KNO3 + S + C = CO2 + K2SO + N2 =>
4 KNO3 + 2 S + 5 C = 5 CO2 + 2 K2SO + 2 N2
Ba + HNO3 = Ba(NO3)2 + N2O + H2O =>
4 Ba + 10 HNO3 = 4 Ba(NO3)2 + N2O + 5 H2O
NH4BrO3 = NH4 + BrO3 =>
NH4BrO3 = NH4 + BrO3
Li + H2 = LiH22 =>
Li + 11 H2 = LiH22
H2SO4(ac) + KMnO4(ac) + H2O2(ac) = HMnO4(ac) + KSO4 + H2O =>
2 H2SO4(ac) + 2 KMnO4(ac) + H2O2(ac) = 2 HMnO4(ac) + 2 KSO4 + 2 H2O
NH4NO3 + NH4Cl = Cl2 + N2 + H2O =>
4 NH4NO3 + 2 NH4Cl = Cl2 + 5 N2 + 12 H2O
Zn + S = Zn2S8 =>
2 Zn + 8 S = Zn2S8
I2 + H2O = O + HI =>
I2 + H2O = O + 2 HI
Cu + K2SO4 = K + CuSO4 =>
Cu + K2SO4 = 2 K + CuSO4
MgCl2 + KI = KCl2 + MgI =>
MgCl2 + KI = KCl2 + MgI
MnSO4 + PbO2 + H2SO4 = Mn2O7 + PbSO4 + H2O =>
2 MnSO4 + 5 PbO2 + 3 H2SO4 = Mn2O7 + 5 PbSO4 + 3 H2O
Rb2SO4 + BaCl2 = RbCl + BaSO4 =>
Rb2SO4 + BaCl2 = 2 RbCl + BaSO4
H3PO3 + KMnO4 + H2SO4 = H3PO4 + K2SO4 + MnSO4 + H2O =>
5 H3PO3 + 2 KMnO4 + 3 H2SO4 = 5 H3PO4 + K2SO4 + 2 MnSO4 + 3 H2O
H{+} + Cr2O7{-2} + S{-2} = S + Cr{3} + H2O =>
14 H{+} + Cr2O7{-2} + 3 S{-2} = 3 S + 2 Cr{3} + 7 H2O
CrBr3 + H3PO4 = CrPO4 + HBr =>
CrBr3 + H3PO4 = CrPO4 + 3 HBr
H3P + H2O = H3O + H2P =>
H3P + H2O = H3O + H2P
Mg(NO3)2(aq) + K2SO4(aq) = MgSO4(aq) + KNO3(aq) =>
Mg(NO3)2(aq) + K2SO4(aq) = MgSO4(aq) + 2 KNO3(aq)
HBr + FeO = FeBr2 + H2O =>
2 HBr + FeO = FeBr2 + H2O
H2 + Co2 = H2Co3 =>
2 H2 + 3 Co2 = 2 H2Co3
Pb1(OH)4 + Cu2O1 = Pb2O4 + Cu1(OH)1 =>
2 Pb1(OH)4 + 4 Cu2O1 = Pb2O4 + 8 Cu1(OH)1
HBr(aq) + NH3(aq) = Br(aq) + NH4(aq) =>
HBr(aq) + NH3(aq) = Br(aq) + NH4(aq)
FeS2 + HNO3 = H2SO4 + NO2 + H2O + Fe(NO3)2 =>
FeS2 + 16 HNO3 = 2 H2SO4 + 14 NO2 + 6 H2O + Fe(NO3)2
CuSO4 + Fe(OH)3 = Fe2(SO4)3 + Cu(OH)2 =>
3 CuSO4 + 2 Fe(OH)3 = Fe2(SO4)3 + 3 Cu(OH)2
C + CO2 + Cl2 = COCl22 =>
C + CO2 + 22 Cl2 = 2 COCl22
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
Cr2O3 + Na2Co3 + KNO3 = Co3 + NaCrO4 + KNO2 =>
Cr2O3 + Na2Co3 + 5 KNO3 = Co3 + 2 NaCrO4 + 5 KNO2
HBO2 + Pb(OH)4 = Pb(BO2)4 + H2O =>
4 HBO2 + Pb(OH)4 = Pb(BO2)4 + 4 H2O
Fe + H2SO4 = Fe2(SO4) + H2 = =>
2 Fe + H2SO4 = Fe2(SO4) + H2
KCN + HCI = KCI + HCN =>
KCN + HCI = KCI + HCN
Zn + S = Zn2S8 =>
2 Zn + 8 S = Zn2S8
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Zn2 + H2SO4 = ZnSO4 + SO2 + H2O =>
Zn2 + 4 H2SO4 = 2 ZnSO4 + 2 SO2 + 4 H2O
KBrO3 + F2 + NaOH = KBrO4 + NaF + H2O =>
KBrO3 + F2 + 2 NaOH = KBrO4 + 2 NaF + H2O
H2SO4(aq) + NaNO3(aq) = HNO3 + Na2SO4 =>
H2SO4(aq) + 2 NaNO3(aq) = 2 HNO3 + Na2SO4
Li2O + Sb2O3 = Li3Sb + O2 =>
3 Li2O + Sb2O3 = 2 Li3Sb + 3 O2
Ce(CO3)2 + HNO3 = Ce(NO3)4 + H2O + CO2 =>
Ce(CO3)2 + 4 HNO3 = Ce(NO3)4 + 2 H2O + 2 CO2
FeCl2 + KCN = KCl + FeC2N2 =>
FeCl2 + 2 KCN = 2 KCl + FeC2N2
Fe + Pb(NO3)2 = Pb2 + Fe(NO3)2 =>
2 Fe + 2 Pb(NO3)2 = Pb2 + 2 Fe(NO3)2
BaSO4 + C* = BaS + CO =>
BaSO4 + 4 C* = BaS + 4 CO
Sr(NO3)2 + H2SO4 = Sr(HSO4)2 + HNO3 =>
Sr(NO3)2 + 2 H2SO4 = Sr(HSO4)2 + 2 HNO3
Zn + S = Zn2S8 =>
2 Zn + 8 S = Zn2S8
H2(g) + P4(s) = PH3(s) =>
6 H2(g) + P4(s) = 4 PH3(s)
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