Équations équilibrées la veille |
2 H2 + O2 = 2 H2O
Al2O3 + KOH = K2Al2O4 + H2O =>
Al2O3 + 2 KOH = K2Al2O4 + H2O
Na2CO3 + CHCOOH = NaCHCOOH + H2O + CO2 =>
3 Na2CO3 + 7 CHCOOH = 6 NaCHCOOH + H2O + 5 CO2
H2SiO3 + Ca = CaSiO3 + H2 =>
H2SiO3 + Ca = CaSiO3 + H2
Na + NH3 = NaH + N2 =>
6 Na + 2 NH3 = 6 NaH + N2
HNO2 + NaNO2 = HNa + NO2 =>
HNO2 + NaNO2 = HNa + 2 NO2
NaOH + Na2S2O3 + NaClO = Na2SO4 + NaCl + H2O =>
2 NaOH + Na2S2O3 + 4 NaClO = 2 Na2SO4 + 4 NaCl + H2O
NaNO2 + HNO2 = NaH + NO2 =>
NaNO2 + HNO2 = NaH + 2 NO2
CaC2O4 + KMnO4 + H2SO4 = CO2 + CaSO4 + K2SO4 + MnSO4 + H2O =>
5 CaC2O4 + 2 KMnO4 + 8 H2SO4 = 10 CO2 + 5 CaSO4 + K2SO4 + 2 MnSO4 + 8 H2O
CaCl2 + NH3OH = Ca(OH)2 + NH3Cl =>
CaCl2 + 2 NH3OH = Ca(OH)2 + 2 NH3Cl
H3PO4 + C(OH)2 = H2O + C3(PO4)2 =>
2 H3PO4 + 3 C(OH)2 = 6 H2O + C3(PO4)2
OH = O2 + H2 =>
2 OH = O2 + H2
Na2B4O7 + H2O = H3BO3 + NaBO2 =>
Na2B4O7 + 3 H2O = 2 H3BO3 + 2 NaBO2
Cu(NO3)2 + BaS = CuS2 + Ba(NO3) =>
Cu(NO3)2 + 2 BaS = CuS2 + 2 Ba(NO3)
MnO2 + KOH + Cl2 = K2MnO4 + H2O + KCl =>
MnO2 + 4 KOH + Cl2 = K2MnO4 + 2 H2O + 2 KCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
KClK2SO4 = K2ClKSO4 =>
KClK2SO4 = K2ClKSO4
NH4Cl + Ba(NO3)2 = NH4NO3 + BaCl2 =>
2 NH4Cl + Ba(NO3)2 = 2 NH4NO3 + BaCl2
Ca2O2 + H2SO4 = CaSO4 + H2O =>
Ca2O2 + 2 H2SO4 = 2 CaSO4 + 2 H2O
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
Ag2CO3(s) = Ag(s) + CO2(g) + O2(g) =>
2 Ag2CO3(s) = 4 Ag(s) + 2 CO2(g) + O2(g)
BaCl2 + CuCl2 = BaCu + Cl =>
BaCl2 + CuCl2 = BaCu + 4 Cl
Mg(s) + H2O(aq) = Mg(OH)2 + H2 =>
Mg(s) + 2 H2O(aq) = Mg(OH)2 + H2
(NH4)2SO4 + BaCl2 = NH4Cl + BaSO4 =>
(NH4)2SO4 + BaCl2 = 2 NH4Cl + BaSO4
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
CH3CH2ONaHCl = NaClCH3CH2OH =>
CH3CH2ONaHCl = NaClCH3CH2OH
S + OH = SOH =>
S + OH = SOH
C9H12NO2 + Cl + NaOH = C9H11NO2 + NaCl + H2O =>
C9H12NO2 + Cl + NaOH = C9H11NO2 + NaCl + H2O
Pb + AgNO{3} = PbNO{3} + Ag =>
Pb + AgNO{3} = PbNO{3} + Ag
CaCl2 + NH3OH = Ca(OH)2 + NH3Cl =>
CaCl2 + 2 NH3OH = Ca(OH)2 + 2 NH3Cl
HNo2 + NaNO2 = HNO2 + NaNo2 =>
HNo2 + NaNO2 = HNO2 + NaNo2
ZnSO4 + NaHS = ZnS + NaHSO4 =>
ZnSO4 + NaHS = ZnS + NaHSO4
NH4I + KIO3 + H2SO4 = K2SO4 + I2 + NO + H2O =>
10 NH4I + 12 KIO3 + 6 H2SO4 = 6 K2SO4 + 11 I2 + 10 NO + 26 H2O
CW + P = CWP2 =>
CW + 2 P = CWP2
Si + KOH + KClO3 = K2SiO4 + KCl + H2O =>
Si + 2 KOH + KClO3 = K2SiO4 + KCl + H2O
CS + OH = CS(OH) =>
CS + OH = CS(OH)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Cr(OH)3 + Br2 = CrO4 + CrBr3 + H2O =>
16 Cr(OH)3 + 15 Br2 = 6 CrO4 + 10 CrBr3 + 24 H2O
C3H6Br2 + NaOH = C3H5Br + H2O + NaBr =>
C3H6Br2 + NaOH = C3H5Br + H2O + NaBr
CuCl22H2O + Na2SO3 + H2O = CuCl + Na2SO4 + HCl =>
2 CuCl22H2O + 21 Na2SO3 + 19 H2O = 2 CuCl + 21 Na2SO4 + 42 HCl
C10H1204S + O2 = CO2 + SO2 + H2O =>
C10H1204S + 312 O2 = 10 CO2 + SO2 + 602 H2O
CH2O + [Ag(NH3)2OH] = CH2O2 + NH3 + Ag + H2O =>
CH2O + 2[Ag(NH3)2OH] = CH2O2 + 4 NH3 + 2 Ag + H2O
Sb3 = Sb6 =>
2 Sb3 = Sb6
SO3 + HNO3 = H2SO4 + N2O5 =>
SO3 + 2 HNO3 = H2SO4 + N2O5
K(s) + H2O(l) = KOH(sq) + H2(g) =>
2 K(s) + 2 H2O(l) = 2 KOH(sq) + H2(g)
CH2OH{-}CH2OH + HBr = CH2Br{-}CH2Br + H2O =>
CH2OH{-}CH2OH + HBr = CH2Br{-}CH2Br + H2O
CaCO3 + CH3COOH = (CH3COO)2Ca + H2CO3 =>
CaCO3 + 2 CH3COOH = (CH3COO)2Ca + H2CO3
H2S + O = H2O + S =>
H2S + O = H2O + S
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Hg(NO3)2 + H3Po4 = Hg3(Po4)2 + H(NO3) =>
3 Hg(NO3)2 + 2 H3Po4 = Hg3(Po4)2 + 6 H(NO3)
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