Équations équilibrées la veille |
50 C6H5NO2 + C6H1404 = 25 C12H10N2 + C6H1204 + 100 H2O
PbSe + Nb(BrO3)3 = Pb(BrO3)2 + Nb2Se3 =>
3 PbSe + 2 Nb(BrO3)3 = 3 Pb(BrO3)2 + Nb2Se3
HCN + Na = NaCN + H2 =>
2 HCN + 2 Na = 2 NaCN + H2
Mn + HNO3 = Mn(NO3)2 + NO2 + H2O =>
Mn + 4 HNO3 = Mn(NO3)2 + 2 NO2 + 2 H2O
CH3NH2 + HNO2 = CH3OCH3 + N + H2O =>
2 CH3NH2 + 2 HNO2 = CH3OCH3 + 4 N + 3 H2O
H2CO3 + Na = H2 + Na2CO3 =>
H2CO3 + 2 Na = H2 + Na2CO3
H2CO3Cu = CuCO3H2 =>
H2CO3Cu = CuCO3H2
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
K2Cr2O7 + SO2 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 3 SO2 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O
Ga + HCl = GaCl3 + H2 =>
2 Ga + 6 HCl = 2 GaCl3 + 3 H2
CHHHCHHOH + OO = HHO + CHHHCHO =>
2 CHHHCHHOH + OO = 2 HHO + 2 CHHHCHO
HCl + O5(OH)4 = O5Cl4 + H2O =>
4 HCl + O5(OH)4 = O5Cl4 + 4 H2O
MnO + S + NO3 = MnSO4 + NO =>
2 MnO + 2 S + 3 NO3 = 2 MnSO4 + 3 NO
Mg(CH3COO)2(aq) + Ba(NO3)2(aq) = Mg(NO3)2(aq) + Ba(CH3COO)2(aq) =>
Mg(CH3COO)2(aq) + Ba(NO3)2(aq) = Mg(NO3)2(aq) + Ba(CH3COO)2(aq)
Z2 + M5 = ZM3 =>
5 Z2 + 6 M5 = 10 ZM3
CaCO3(s) = CaO(s) + CO2 =>
CaCO3(s) = CaO(s) + CO2
NH4OH + H2C2O4 = (NH4)2C2O4 + H2O =>
2 NH4OH + H2C2O4 = (NH4)2C2O4 + 2 H2O
C3H7OH + Br2 = C3H6O + HBr =>
C3H7OH + Br2 = C3H6O + 2 HBr
Pb + Pb2O5 + H2SO4 = Pb2SO4 + H2O =>
8 Pb + Pb2O5 + 5 H2SO4 = 5 Pb2SO4 + 5 H2O
Mn(OH)2 + H2O2 = MnO2 + H2O =>
Mn(OH)2 + H2O2 = MnO2 + 2 H2O
KI + Ca = CaI + K =>
KI + Ca = CaI + K
NaCl(s) + H2SO4(aq) = HCl(g) + NaHSO4(s) =>
NaCl(s) + H2SO4(aq) = HCl(g) + NaHSO4(s)
(COOH)2 + MgCl2 = MgCOO + HCl2 =>
(COOH)2 + 2 MgCl2 = 2 MgCOO + 2 HCl2
CO + [Cu(NH3)2]Cl + H2O = Cu + NH4Cl + NH3 + CO2 =>
CO + 2[Cu(NH3)2]Cl + H2O = 2 Cu + 2 NH4Cl + 2 NH3 + CO2
AgI(s) + HNO3(aq) = HI(aq) + AgNO3(aq) =>
AgI(s) + HNO3(aq) = HI(aq) + AgNO3(aq)
Ag(NH3)2Cl + KI = AgI + K(NH3)2Cl =>
Ag(NH3)2Cl + KI = AgI + K(NH3)2Cl
CuSO4 + Ca(No3)2 = CaSO4 + Cu(No3)2 =>
CuSO4 + Ca(No3)2 = CaSO4 + Cu(No3)2
KI + KMnO4 + HCl = I + MnCl2 + KCl + H2O =>
5 KI + KMnO4 + 8 HCl = 5 I + MnCl2 + 6 KCl + 4 H2O
Co2S3 + K3N = CoN + K2S =>
Co2S3 + 2 K3N = 2 CoN + 3 K2S
C22H46(l) + O2(g) = CO2(s) + H2O(g) =>
2 C22H46(l) + 67 O2(g) = 44 CO2(s) + 46 H2O(g)
ZhSO4 + NaOH = Na2SO4 + Zh(OH)2 =>
ZhSO4 + 2 NaOH = Na2SO4 + Zh(OH)2
NH4Cl + Al2(SO4)3 = (NH4)2SO4 + AlCl3 =>
6 NH4Cl + Al2(SO4)3 = 3(NH4)2SO4 + 2 AlCl3
Mg + CuCl2 = MgCl2 + Cu2 =>
2 Mg + 2 CuCl2 = 2 MgCl2 + Cu2
C5H11COOH + Na2CO3 = C5H11COONa + H2O + CO2 =>
2 C5H11COOH + Na2CO3 = 2 C5H11COONa + H2O + CO2
Cl2 + HgO = HgCl2 + Cl2O =>
2 Cl2 + HgO = HgCl2 + Cl2O
NO3 + H = NO + H2O =>
NO3 + 4 H = NO + 2 H2O
Ni(s) + CO(g) = Ni(CO)4(g) =>
Ni(s) + 4 CO(g) = Ni(CO)4(g)
AgNO3(aq) + Fe(s) = Fe(NO3)2 + Ag =>
2 AgNO3(aq) + Fe(s) = Fe(NO3)2 + 2 Ag
KCl + Zn3(PO4)2 = ZnCl2 + K3PO4 =>
6 KCl + Zn3(PO4)2 = 3 ZnCl2 + 2 K3PO4
C6H12O6 + Cu(OH)2 = CuOH + C6H12O7 + H2O =>
C6H12O6 + 2 Cu(OH)2 = 2 CuOH + C6H12O7 + H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Sn(NO3)4 + K2SO3 = Sn(SO3)2 + KNO3 =>
Sn(NO3)4 + 2 K2SO3 = Sn(SO3)2 + 4 KNO3
C9H13NH2 + HCl = C9H14NH2 + Cl =>
C9H13NH2 + HCl = C9H14NH2 + Cl
Na2CO3 + HCl = NaCl + H2CO3 =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
Pb(C2H3O2)2 + HCl = PbCl2 + HC2H3O2 =>
Pb(C2H3O2)2 + 2 HCl = PbCl2 + 2 HC2H3O2
NH2CH2COOH + Cu = Cu(NH2CH2COOH)2 =>
2 NH2CH2COOH + Cu = Cu(NH2CH2COOH)2
K2CO3 + HF = KHF2 + CO2 + H2O =>
K2CO3 + 4 HF = 2 KHF2 + CO2 + H2O
Na3PO4 + Sr(NO3)2 = Sr3(PO4)2 + NaNO3 =>
2 Na3PO4 + 3 Sr(NO3)2 = Sr3(PO4)2 + 6 NaNO3
Ag2O + HNO3 = AgNO3 + H2O =>
Ag2O + 2 HNO3 = 2 AgNO3 + H2O
H3PO4 + Mn(OH)2 = Mn3(PO4)2 + H2O =>
2 H3PO4 + 3 Mn(OH)2 = Mn3(PO4)2 + 6 H2O
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