Équations équilibrées la veille |
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
B2Cl5 = B + Cl2 =>
2 B2Cl5 = 4 B + 5 Cl2
N + H = HN2 =>
2 N + H = HN2
H4P2O7 + NH4OH = (NH4)4P2O7 + H2O =>
H4P2O7 + 4 NH4OH = (NH4)4P2O7 + 4 H2O
NaOH + HClO = NaClO + H2O =>
NaOH + HClO = NaClO + H2O
NiO(s) + C(s) = Ni(s) + CO(g) =>
NiO(s) + C(s) = Ni(s) + CO(g)
Ba(IO3)2 = BaO2 + I2 + O2 =>
Ba(IO3)2 = BaO2 + I2 + 2 O2
OF2 + KOH = KF + O2 + H2O =>
OF2 + 2 KOH = 2 KF + O2 + H2O
NH3 + K2O = K + N2 + H2O =>
2 NH3 + 3 K2O = 6 K + N2 + 3 H2O
NNH3 + O2 = HNO3 + H2O =>
4 NNH3 + 13 O2 = 8 HNO3 + 2 H2O
I2 + P = PI3 =>
3 I2 + 2 P = 2 PI3
HCOONH4 + HCl = NH4Cl + HCOOH =>
HCOONH4 + HCl = NH4Cl + HCOOH
B5H9 + O2 = B5O3 + H2O =>
4 B5H9 + 15 O2 = 4 B5O3 + 18 H2O
NaHCO3 + HCl = NaCl + H2CO3 =>
NaHCO3 + HCl = NaCl + H2CO3
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
C4H10O2 + O2 = CO2 + H2O =>
2 C4H10O2 + 11 O2 = 8 CO2 + 10 H2O
NH4ClO4 = N2 + Cl2 + O2 + H2O =>
2 NH4ClO4 = N2 + Cl2 + 2 O2 + 4 H2O
Na2SO4 + AlBr3 = NaBr + Al2(SO4)3 =>
3 Na2SO4 + 2 AlBr3 = 6 NaBr + Al2(SO4)3
Hg2(NO3)2 + NaOH = Hg + HgO + H2O + Na(NO3) =>
Hg2(NO3)2 + 2 NaOH = Hg + HgO + H2O + 2 Na(NO3)
KHX + KOH = K + H2O + X =>
KHX + KOH = 2 K + H2O + X
(COONH4)2 + NaOH = COONa + NH3 + H2O =>
(COONH4)2 + 2 NaOH = 2 COONa + 2 NH3 + 2 H2O
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
Cs + P4 = Cs3P =>
12 Cs + P4 = 4 Cs3P
Pb(NO3)2(aq) + Na2SO4(aq) = PbSO4(s) + Na(NO3)(aq) =>
Pb(NO3)2(aq) + Na2SO4(aq) = PbSO4(s) + 2 Na(NO3)(aq)
S + C + NaNO3 = CSNO3 + CS4Na4 =>
8 S + 5 C + 4 NaNO3 = 4 CSNO3 + CS4Na4
K4[Fe(CN)6] + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + CO2 + HNO3 + K2(SO4) + Cr2(SO4)3 + H2O =>
6 K4[Fe(CN)6] + 61 K2Cr2O7 + 265 H2SO4 = 3 Fe2(SO4)3 + 36 CO2 + 36 HNO3 + 73 K2(SO4) + 61 Cr2(SO4)3 + 247 H2O
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
C2H5OH + CUO = CH3CHO + CU + H2O =>
C2H5OH + CUO = CH3CHO + CU + H2O
Al(NO3)3(aq) + Na3PO4(aq) = AlPO4(s) + NaNO3(aq) =>
Al(NO3)3(aq) + Na3PO4(aq) = AlPO4(s) + 3 NaNO3(aq)
C4H10 + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
C4H10 + 2 KMnO4 + 3 H2SO4 = 2 CH3COOH + K2SO4 + 2 MnSO4 + 4 H2O
CaBr2 + Na2S = NaBr + CaS =>
CaBr2 + Na2S = 2 NaBr + CaS
C2H6 + CC4H8 = C6H14 =>
11 C2H6 + 4 CC4H8 = 7 C6H14
C3H5N3O9 = CO2 + H2O + N2 + O2 =>
4 C3H5N3O9 = 12 CO2 + 10 H2O + 6 N2 + O2
H2CCHCl + Cl2 = Cl2CCCl2 + HCl =>
H2CCHCl + 3 Cl2 = Cl2CCCl2 + 3 HCl
Na2B4O7 + H2O = Na(B(OH)4) + H3BO3 =>
Na2B4O7 + 7 H2O = 2 Na(B(OH)4) + 2 H3BO3
KNO3 + MnCl5 = MnCl2 + KCl + NO2 + O2 =>
6 KNO3 + 2 MnCl5 = 2 MnCl2 + 6 KCl + 6 NO2 + 3 O2
H2SO4 + BaCl2 = H2Cl2 + BaSO4 =>
H2SO4 + BaCl2 = H2Cl2 + BaSO4
HCHO + H2 = HCOHH =>
2 HCHO + H2 = 2 HCOHH
Ba(NO3)2(aq) + (NH4)2CO3(aq) = BaCO3(s) + NH4NO3(aq) =>
Ba(NO3)2(aq) + (NH4)2CO3(aq) = BaCO3(s) + 2 NH4NO3(aq)
K2Cr2O7 + H2O + C = CO2 + KOH + Cr2O3 =>
2 K2Cr2O7 + 2 H2O + 3 C = 3 CO2 + 4 KOH + 2 Cr2O3
NaIO3 + MgSO4 = NaSO4 + MgIO3 =>
NaIO3 + MgSO4 = NaSO4 + MgIO3
Al4C3 + HCl = AlCl3 + CH4 =>
Al4C3 + 12 HCl = 4 AlCl3 + 3 CH4
C7H14O + KMnO4 + H2SO4 = C6H12O + K2SO4 + H2O + MnSO4 =>
30 C7H14O + 2 KMnO4 + 3 H2SO4 = 35 C6H12O + K2SO4 + 3 H2O + 2 MnSO4
Cs + P = Cs3P =>
3 Cs + P = Cs3P
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
MnO4{-} + H{+} + C2O2{2-} = Mn{2+} + H2O + CO2 =>
6 MnO4{-} + 28 H{+} + 5 C2O2{2-} = 6 Mn{2+} + 14 H2O + 10 CO2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
BaSO4 + K2S = K2SO4 + BaS =>
BaSO4 + K2S = K2SO4 + BaS
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
NH4Cl + NaOH = NaCl + NH4OH = NaCl + NH3 + H2O =>
NH4Cl + NaOH = NaCl + NH4OH
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