Équations équilibrées la veille |
4 MnSO4 + O2 + 8 NaOH = 4 Mn(O)OH + 4 Na2SO4 + 2 H2O
NH4Cl + K2(HgI4) + KOH = Hg2NI + KI + KCl + H2O =>
NH4Cl + 2 K2(HgI4) + 4 KOH = Hg2NI + 7 KI + KCl + 4 H2O
Na2SO3 + KClO3 + H2SO4 = Na2SO4 + K2SO4 + Cl2 + H2O =>
5 Na2SO3 + 2 KClO3 + H2SO4 = 5 Na2SO4 + K2SO4 + Cl2 + H2O
H2MnO4 = H2O + MnO2 + HMnO4 =>
3 H2MnO4 = 2 H2O + MnO2 + 2 HMnO4
CH3COOH + KOH = KCH3COO + H2O =>
CH3COOH + KOH = KCH3COO + H2O
Cl2(g) + KI(s) = I(s) + KCl2(s) =>
Cl2(g) + KI(s) = I(s) + KCl2(s)
Cr + HNO3 = Cr(NO3)3 + N2 + H2O =>
10 Cr + 36 HNO3 = 10 Cr(NO3)3 + 3 N2 + 18 H2O
NH4VO3 + Zn + H2SO4 = VSO4 + ZnSO4 + (NH4)2SO4 + H2O =>
2 NH4VO3 + 3 Zn + 6 H2SO4 = 2 VSO4 + 3 ZnSO4 + (NH4)2SO4 + 6 H2O
CH3COOK + H2O = CH3COOH + K2O =>
2 CH3COOK + H2O = 2 CH3COOH + K2O
Co + HgO = CoO + Hg =>
Co + HgO = CoO + Hg
K + P = PK =>
K + P = PK
NaOH + Ca(NO3)3 = Na + NO3 + Ca(OH)2 =>
2 NaOH + Ca(NO3)3 = 2 Na + 3 NO3 + Ca(OH)2
C + H2 = C3H8 =>
3 C + 4 H2 = C3H8
K2Cr2O7 + H2SO4 + Na2SO3 = K2SO4 + Na2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 Na2SO3 = K2SO4 + 3 Na2SO4 + Cr2(SO4)3 + 4 H2O
Cr(NO3)3 = Cr + N + O =>
Cr(NO3)3 = Cr + 3 N + 9 O
NBr3 = N2 + Br2 =>
2 NBr3 = N2 + 3 Br2
B + Na = BNa =>
B + Na = BNa
Ag + K2CrO4 = AgCrO4 + K =>
Ag + K2CrO4 = AgCrO4 + 2 K
HS + HNO3 = H2SO4 + NO + H2O =>
3 HS + 7 HNO3 = 3 H2SO4 + 7 NO + 2 H2O
Cl2 + H2O = HCl + O2 =>
2 Cl2 + 2 H2O = 4 HCl + O2
CaCl2 + H2O = CaO + HCl =>
CaCl2 + H2O = CaO + 2 HCl
Al2(SO4)3 + Cu(NO3)2 = Al(NO3)3 + Cu(SO4) =>
Al2(SO4)3 + 3 Cu(NO3)2 = 2 Al(NO3)3 + 3 Cu(SO4)
CuSO4*5H2O + (NH4)2SO4 + H2O = CuSO4(NH4)2SO4*6H2O =>
CuSO4*5H2O + (NH4)2SO4 + H2O = CuSO4(NH4)2SO4*6H2O
Ni2O3 + C = NiO + CO2 =>
2 Ni2O3 + C = 4 NiO + CO2
Ca(HCO3)2 + NaOH = CaCO3 + NaHCO3 + H2O =>
Ca(HCO3)2 + NaOH = CaCO3 + NaHCO3 + H2O
N2O5 + KOH = KO5 + N2OH =>
N2O5 + KOH = KO5 + N2OH
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
H3C{-}OH + Cr2O7{-2} + H{+} = H2CO + Cr{+3} + H2O =>
3 H3C{-}OH + 2 Cr2O7{-2} + 19 H{+} = 3 H2CO + 4 Cr{+3} + 11 H2O
K + N2 = KN2 =>
K + N2 = KN2
P4 + O = P2O3 =>
P4 + 6 O = 2 P2O3
AgNO3 + Na2SO4 = Na(NO3) + Ag2SO4 =>
2 AgNO3 + Na2SO4 = 2 Na(NO3) + Ag2SO4
Fe + CuCl = FeCl2 + Cu =>
Fe + 2 CuCl = FeCl2 + 2 Cu
PbO2 + NaCl + H2SO4 = PbSO4 + H2O + Na2SO4 + Cl2 =>
PbO2 + 2 NaCl + 2 H2SO4 = PbSO4 + 2 H2O + Na2SO4 + Cl2
Mg(NO3)2 + NaOH = Mg(OH)2 + Na(NO3) =>
Mg(NO3)2 + 2 NaOH = Mg(OH)2 + 2 Na(NO3)
K2SO3 + HNO3 = KNO3 + SO2 + H2O =>
K2SO3 + 2 HNO3 = 2 KNO3 + SO2 + H2O
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
Al2(SO4)3 + NH3 = AlNH3 + SO4 =>
Al2(SO4)3 + 2 NH3 = 2 AlNH3 + 3 SO4
S2O3{2-} + Cl2 + H2O = SO4{2-} + Cl{-} + H{+} =>
S2O3{2-} + 4 Cl2 + 5 H2O = 2 SO4{2-} + 8 Cl{-} + 10 H{+}
KI + Fe = K2Fe + I2 =>
2 KI + Fe = K2Fe + I2
S{2-} = S + e =>
S{2-} = S + 2e
CaCl2 + K2C2O4 = CaC2O4 + KCl =>
CaCl2 + K2C2O4 = CaC2O4 + 2 KCl
La + HNO3 = La(NO3)4 + NH4HNO3 + H2O =>
9 La + 44 HNO3 = 9 La(NO3)4 + 4 NH4HNO3 + 12 H2O
C6H5COOH + H2O = H3O + C6H5COO =>
C6H5COOH + H2O = H3O + C6H5COO
SnCl2 + Br2 = SnCl4 + SnBr2 =>
2 SnCl2 + Br2 = SnCl4 + SnBr2
NH4OH + KOH = H2O + KNH4 + O2 =>
2 NH4OH + 2 KOH = 2 H2O + 2 KNH4 + O2