Équations équilibrées la veille |
3 Cu + 2(No3)3 = 3 Cu(No3)2
CH3OOH = CO2 + H =>
CH3OOH = CO2 + 4 H
H2S(aq) + HNO3 = S + NO + H2O =>
3 H2S(aq) + 2 HNO3 = 3 S + 2 NO + 4 H2O
CrCl2 + H2O2 + NaOH = Na2CrO4 + NaCl + H2O =>
CrCl2 + 2 H2O2 + 4 NaOH = Na2CrO4 + 2 NaCl + 4 H2O
Ag2 + HNO3 = AgNO3 + HAg =>
Ag2 + HNO3 = AgNO3 + HAg
Al + PO4 = Al3(PO4)3 =>
3 Al + 3 PO4 = Al3(PO4)3
KCl(aq) + CaS(aq) = KS(aq) + CaCl(s) =>
KCl(aq) + CaS(aq) = KS(aq) + CaCl(s)
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
N2O5 + HBr = N2O5HBr =>
N2O5 + HBr = N2O5HBr
C2 + D2 = C2D3 =>
2 C2 + 3 D2 = 2 C2D3
NH3(aq) + HNO3(aq) = NH4NO3(aq) =>
NH3(aq) + HNO3(aq) = NH4NO3(aq)
Fe + P = Fe2P =>
2 Fe + P = Fe2P
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
ZnO + Cu(OH)2 = Zn(OH)2 + CuO =>
ZnO + Cu(OH)2 = Zn(OH)2 + CuO
KBrO3 + O2 = KBrO3O2 =>
KBrO3 + O2 = KBrO3O2
KNO3 + (C6H5)2NH = K2NH + C6H5NO3 =>
2 KNO3 + (C6H5)2NH = K2NH + 2 C6H5NO3
H2SO3 + In = In2(SO3)3 + H2 =>
3 H2SO3 + 2 In = In2(SO3)3 + 3 H2
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
MgCO3(s) + HCl(aq) = CO2(g) + H2O(l) + MgCl2(aq) =>
MgCO3(s) + 2 HCl(aq) = CO2(g) + H2O(l) + MgCl2(aq)
C6H6 + HBr = C6H5Br + H2 =>
C6H6 + HBr = C6H5Br + H2
SNS2 + HCl = H2SNCl6 + H2S =>
SNS2 + 6 HCl = H2SNCl6 + 2 H2S
Ca(OCl)2 + NH3 = N2 + CaCl2 + H2O =>
3 Ca(OCl)2 + 4 NH3 = 2 N2 + 3 CaCl2 + 6 H2O
KI(aq) + HNO3(aq) = I2(s) + KNO3(aq) + NO(g) + H2O(l) =>
6 KI(aq) + 8 HNO3(aq) = 3 I2(s) + 6 KNO3(aq) + 2 NO(g) + 4 H2O(l)
FeCl3(aq) + KOH(aq) = Fe(OH)3(aq) + KCl(aq) =>
FeCl3(aq) + 3 KOH(aq) = Fe(OH)3(aq) + 3 KCl(aq)
(NH4)3[Ag(S2O3)2] + H2SO4 = Ag2S + (NH4)2SO4 + H2O + SO2 =>
2(NH4)3[Ag(S2O3)2] + 8 H2SO4 = Ag2S + 3(NH4)2SO4 + 8 H2O + 12 SO2
KMnO4 + FeO + HCl = MnCl2 + KCl + Fe2O3 + H2O =>
2 KMnO4 + 10 FeO + 6 HCl = 2 MnCl2 + 2 KCl + 5 Fe2O3 + 3 H2O
Pb(NO3)2 + MgSO4 = Mg(NO3)2 + Pb(SO4) =>
Pb(NO3)2 + MgSO4 = Mg(NO3)2 + Pb(SO4)
CH3COOBa + H2SO4 = CH3COOH + Ba2SO4 =>
2 CH3COOBa + H2SO4 = 2 CH3COOH + Ba2SO4
Cl2 + Na4Fe(CN)6 = NaCl + Na3Fe(CN)6 =>
Cl2 + 2 Na4Fe(CN)6 = 2 NaCl + 2 Na3Fe(CN)6
Cr(OH)3 + Cr2(SO4)3 = Cr(OH)SO4 =>
Cr(OH)3 + Cr2(SO4)3 = 3 Cr(OH)SO4
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
H2S + Cl2 = S8 + HCl = HCl + H2PO4 =>
8 H2S + 8 Cl2 = S8 + 16 HCl
NaHCO3 + HC2H3O2 = CO + H2O + CH3COONa =>
2 NaHCO3 + 3 HC2H3O2 = 4 CO + 4 H2O + 2 CH3COONa
BaO + LiOH = Ba(OH)2 + Li2O =>
BaO + 2 LiOH = Ba(OH)2 + Li2O
Ag2O + CO2 = Ag2CO3 =>
Ag2O + CO2 = Ag2CO3
ZnO + Cu(OH)2 = Zn(OH)2 + CuO =>
ZnO + Cu(OH)2 = Zn(OH)2 + CuO
AlI3 + TiO2 = Al2O3 + TiI4 =>
4 AlI3 + 3 TiO2 = 2 Al2O3 + 3 TiI4
KF + Cl2 = ClF + K =>
2 KF + Cl2 = 2 ClF + 2 K
H2C4H2O5(aq) + NaHCO3(s) = CO2(g) + H2O(l) + Na2C4H2O5(aq) =>
H2C4H2O5(aq) + 2 NaHCO3(s) = 2 CO2(g) + 2 H2O(l) + Na2C4H2O5(aq)
KClO3 + KBr + H2O = KCl + Br2 + KOH =>
KClO3 + 6 KBr + 3 H2O = KCl + 3 Br2 + 6 KOH
Na2AsO3 + Zn + HCl = AsH3 + ZnCl2 + NaCl + H2O =>
2 Na2AsO3 + 7 Zn + 18 HCl = 2 AsH3 + 7 ZnCl2 + 4 NaCl + 6 H2O
HBr + NaOH = NaBr + H(OH) =>
HBr + NaOH = NaBr + H(OH)
Na2B4O7(s) + H2O(l) = H3BO3(aq) + NaOH =>
Na2B4O7(s) + 7 H2O(l) = 4 H3BO3(aq) + 2 NaOH
K2Cr3O7 + NO2 + HNO3 = KNO3 + Cr(NO3)3 + H2O =>
K2Cr3O7 + 3 NO2 + 8 HNO3 = 2 KNO3 + 3 Cr(NO3)3 + 4 H2O
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
MgI2 + Fe(OH)2 = Mg(OH)2 + FeI2 =>
MgI2 + Fe(OH)2 = Mg(OH)2 + FeI2
CH3COONa + FeCl3 = Fe(CH3COO)3 + NaCl =>
3 CH3COONa + FeCl3 = Fe(CH3COO)3 + 3 NaCl
Cr + KOH + NaNO3 = K2CrO4 + NaNO2 + H2O =>
Cr + 2 KOH + 3 NaNO3 = K2CrO4 + 3 NaNO2 + H2O
KMnO4 + Ca(NO2)2 + HCl = KCl + MnCl2 + Ca(NO3)2 + H2O =>
4 KMnO4 + 5 Ca(NO2)2 + 12 HCl = 4 KCl + 4 MnCl2 + 5 Ca(NO3)2 + 6 H2O
FeCO3 + H2 = Fe + CO2 + H2O =>
FeCO3 + H2 = Fe + CO2 + H2O
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