Équations équilibrées la veille |
KF(aq) + HCl(aq) = KCl + HF
B3H3O6 + NaOH = H2O + NaBO2 =>
B3H3O6 + 3 NaOH = 3 H2O + 3 NaBO2
CH3COOH + (CH3)2CHCH2CH2OH = C7H14O2 + H2O =>
CH3COOH + (CH3)2CHCH2CH2OH = C7H14O2 + H2O
FeCO3 + H2CO3 = Fe(HCO3)2 =>
FeCO3 + H2CO3 = Fe(HCO3)2
ZnO + NH4NO3 = Zn(NO3)2 + NH3 + H2O =>
ZnO + 2 NH4NO3 = Zn(NO3)2 + 2 NH3 + H2O
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
NaBr + Cl2 = NaCl + Br2 = ? =>
2 NaBr + Cl2 = 2 NaCl + Br2
LiI + Br2 = Li2Br + I =>
4 LiI + Br2 = 2 Li2Br + 4 I
KClO3 + NaI = I2 + KCl + Na2O =>
KClO3 + 6 NaI = 3 I2 + KCl + 3 Na2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Cr(OH)3 + KCIO3 + KOH = K2CrO4 + KCI + H2O =>
2 Cr(OH)3 + KCIO3 + 4 KOH = 2 K2CrO4 + KCI + 5 H2O
IBr3 + F2 = IF5 + BrF5 =>
IBr3 + 10 F2 = IF5 + 3 BrF5
C2H4(g) + O2(g) = CO2(g) + H2O(g) = energy =>
C2H4(g) + 3 O2(g) = 2 CO2(g) + 2 H2O(g)
C6H5NH2 + (CH3CO)2O = C6H5NHCOCH3 + CH3COOH =>
C6H5NH2 + (CH3CO)2O = C6H5NHCOCH3 + CH3COOH
H2 + CaO = H2O + Ca =>
H2 + CaO = H2O + Ca
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
ZnSO4 + K2SO3 = ZnSO3 + K2SO4 =>
ZnSO4 + K2SO3 = ZnSO3 + K2SO4
BaSO4 = Ba + SO4 =>
BaSO4 = Ba + SO4
Rb(s) + H2O(l) = Rb(HO)(s) + H2(g) =>
2 Rb(s) + 2 H2O(l) = 2 Rb(HO)(s) + H2(g)
S6 = S4 =>
2 S6 = 3 S4
HF + Na2CO3 = NaF + CO2 + H2O =>
2 HF + Na2CO3 = 2 NaF + CO2 + H2O
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Mn{+2} + O2 + OH{-} = MnO(OH)2 =>
2 Mn{+2} + O2 + 4 OH{-} = 2 MnO(OH)2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Fe + NaOH = Fe(OH)3 + Na =>
Fe + 3 NaOH = Fe(OH)3 + 3 Na
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
ZnSO4 + K2SO3 = ZnSO3 + K2SO4 =>
ZnSO4 + K2SO3 = ZnSO3 + K2SO4
Cu + NH4OH = Cu(NH3)2 + H2O =>
Cu + 2 NH4OH = Cu(NH3)2 + 2 H2O
C + H2 = C2H6 =>
2 C + 3 H2 = C2H6
Na2S + CH3COOH = H2S + CH3COONa =>
Na2S + 2 CH3COOH = H2S + 2 CH3COONa
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Ca(s) + Cu(NO3)2(aq) = Ca(NO3)2(aq) + Cu(s) =>
Ca(s) + Cu(NO3)2(aq) = Ca(NO3)2(aq) + Cu(s)
(NH4)2S = NH3 + H2S =>
(NH4)2S = 2 NH3 + H2S
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Cu + HClO4 = CuClO4 + H2 =>
2 Cu + 2 HClO4 = 2 CuClO4 + H2
Al + NaOH = Na3AlO3 + H2 =>
2 Al + 6 NaOH = 2 Na3AlO3 + 3 H2
AgNO3 + KI = AgI + KNO3 =>
AgNO3 + KI = AgI + KNO3
SB2S5 + HNO3 + H2O = H3SBO4 + H2SO4 + NO =>
3 SB2S5 + 34 HNO3 + 4 H2O = 6 H3SBO4 + 12 H2SO4 + 34 NO
Au2S3 + H2 = AuH3 + S8 =>
8 Au2S3 + 24 H2 = 16 AuH3 + 3 S8
C6H5CH(CH3)2 + KMnO4 + H2SO4 = C6H5COOH + H2O + K2SO4 + MnSO4 =>
35 C6H5CH(CH3)2 + 66 KMnO4 + 99 H2SO4 = 45 C6H5COOH + 174 H2O + 33 K2SO4 + 66 MnSO4
TiCl4 + Mg = Ti + MgCl2 =>
TiCl4 + 2 Mg = Ti + 2 MgCl2
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
ZnSO4 + K2SO3 = ZnSO3 + K2SO4 =>
ZnSO4 + K2SO3 = ZnSO3 + K2SO4
Cu + S = Cu2S =>
2 Cu + S = Cu2S
Bi + F2 = BiF3 =>
2 Bi + 3 F2 = 2 BiF3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
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