Équations équilibrées la veille | Équations équilibrées le lendemain |
P2O5 + 2 Al(NO3)3 = 2 AlPO4 + 3 N2O5
FeCl3 + KOH + H2O = K3[Fe(OH)6] + HCl =>
FeCl3 + 3 KOH + 3 H2O = K3[Fe(OH)6] + 3 HCl
BaH2 = H2Ba =>
BaH2 = H2Ba
K2O(s) + H2O = KOH(ac) =>
K2O(s) + H2O = 2 KOH(ac)
V2O5 + Al = V + Al2O2 =>
2 V2O5 + 10 Al = 4 V + 5 Al2O2
C6H12Cl3N = C6H6 + C2N2 + HCl + CH4 =>
18 C6H12Cl3N = 11 C6H6 + 9 C2N2 + 54 HCl + 24 CH4
C6H5COOH + CH3CH(OH)CH2CH3 = C6H5COOCH3CH2CH3 + H2O =>
44 C6H5COOH + 43 CH3CH(OH)CH2CH3 = 48 C6H5COOCH3CH2CH3 + 35 H2O
KOH(aq) + NH4I(aq) = NH3 + KI + H2O =>
KOH(aq) + NH4I(aq) = NH3 + KI + H2O
CoCO3 + H2O2 + NaHCO3 + NaOH = Na3(Co(CO3)3) + H2O =>
2 CoCO3 + H2O2 + 4 NaHCO3 + 2 NaOH = 2 Na3(Co(CO3)3) + 4 H2O
KMnO4 + Cr2(SO4) + KOH = K2CrO4 + MnO2 + K2SO4 + H2O =>
10 KMnO4 + 3 Cr2(SO4) + 8 KOH = 6 K2CrO4 + 10 MnO2 + 3 K2SO4 + 4 H2O
NaNo3 + HCI = NaCI + HNo3 =>
NaNo3 + HCI = NaCI + HNo3
Na2SO4 + Sr(NO3)2 = SrSO4 + NaNO3 =>
Na2SO4 + Sr(NO3)2 = SrSO4 + 2 NaNO3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
H3AsO4 + Zn + NHO3 = AsH3 + Zn(NO3)2 + H2O =>
H3AsO4 + 4 Zn + 8 NHO3 = AsH3 + 4 Zn(NO3)2 + 4 H2O
C2 + H2 + O2 = C7H6O2 =>
7 C2 + 6 H2 + 2 O2 = 2 C7H6O2
Cr2(SO4)3 + NaNO3 = Cr(NO3)3 + Na2SO4 =>
Cr2(SO4)3 + 6 NaNO3 = 2 Cr(NO3)3 + 3 Na2SO4
H2SO4 + C2H6 = C2H6SO3 + H2O =>
H2SO4 + C2H6 = C2H6SO3 + H2O
CaC2 + CO2 + H2O = Ca(OH)2 + HCH2CHCO2H =>
13 CaC2 + 4 CO2 + 38 H2O = 13 Ca(OH)2 + 10 HCH2CHCO2H
Ag + H2SO4 + KNO3 = NO2 + K2SO4 + H2O + AgNO3 =>
Ag + H2SO4 + 2 KNO3 = NO2 + K2SO4 + H2O + AgNO3
O2 + C2H2 = CO2 + H2O =>
5 O2 + 2 C2H2 = 4 CO2 + 2 H2O
Pb(NO3)2(aq) + Ca(OH)2(aq) = Pb(OH)2(s) + Ca(NO3)2(aq) =>
Pb(NO3)2(aq) + Ca(OH)2(aq) = Pb(OH)2(s) + Ca(NO3)2(aq)
C7H8HNO3 = C7H7(NO2)H2O =>
C7H8HNO3 = C7H7(NO2)H2O
C2H5OCH3(g) + O2(g) = CO2(g) + H20(l) =>
10 C2H5OCH3(g) + 25 O2(g) = 30 CO2(g) + 4 H20(l)
Na2S2O4 + O2 + NaOH = Na2SO3 + H2O =>
2 Na2S2O4 + O2 + 4 NaOH = 4 Na2SO3 + 2 H2O
I2 + HClO3 = I2O5 + Cl2 + H2O =>
I2 + 2 HClO3 = I2O5 + Cl2 + H2O
Li2O + Zn = ZnO + Li =>
Li2O + Zn = ZnO + 2 Li
Ca(HCO3)2 = CO2 + H2O + Ca2O2 =>
2 Ca(HCO3)2 = 4 CO2 + 2 H2O + Ca2O2
K3[Fe(CN)6] + NaOH = Fe(OH)3 + NaCN + KCN =>
K3[Fe(CN)6] + 3 NaOH = Fe(OH)3 + 3 NaCN + 3 KCN
Rb2CO3 + Mo{+4} = Rb{+} + Mo(CO3)2 =>
2 Rb2CO3 + Mo{+4} = 4 Rb{+} + Mo(CO3)2
CH3CHO + KMnO4 + NaOH = CH3COOH + H2O + K2MnO4 + Na2MnO4 =>
CH3CHO + 2 KMnO4 + 2 NaOH = CH3COOH + H2O + K2MnO4 + Na2MnO4
NH3 + NaCl + H2O + CO2 = NH4Cl + NaHCO3 =>
NH3 + NaCl + H2O + CO2 = NH4Cl + NaHCO3
Na2S + K2MnO4 + H2O = Na2SO4 + MnO2 + KOH =>
Na2S + 4 K2MnO4 + 4 H2O = Na2SO4 + 4 MnO2 + 8 KOH
Ca(OH)2Cu(NO3)2 = Cu(OH)2Ca(NO3)2 =>
Ca(OH)2Cu(NO3)2 = Cu(OH)2Ca(NO3)2
C5H9NO + O2 = CO2 + H2O + NH3 =>
C5H9NO + 6 O2 = 5 CO2 + 3 H2O + NH3
N + O2 = ON5 =>
10 N + O2 = 2 ON5
NH3 + Cu(NO3)2 = Cu(NH3)4(NO3)2 =>
4 NH3 + Cu(NO3)2 = Cu(NH3)4(NO3)2
Ba(OH)2 + C6H5COOH = C6H5COO + Ba + H2O =>
Ba(OH)2 + 2 C6H5COOH = 2 C6H5COO + Ba + 2 H2O
H3AsO4 = As2O5 + H2O =>
2 H3AsO4 = As2O5 + 3 H2O
C6H6(l) + Cl2(g) = C6Cl6(s) + HCl(g) =>
C6H6(l) + 6 Cl2(g) = C6Cl6(s) + 6 HCl(g)
Cd + H = CdH =>
Cd + H = CdH
H2O + AgNO3 = H2NO3 + AgO =>
H2O + AgNO3 = H2NO3 + AgO
NaHCO3 + CH3COOH = NaCH3COO + H2O + CO2 =>
NaHCO3 + CH3COOH = NaCH3COO + H2O + CO2
NiSO4 + NaSH = NiS + Na2SO4 + H2SO4 =>
2 NiSO4 + 2 NaSH = 2 NiS + Na2SO4 + H2SO4
C4H10Br + Na = C8H20 + NaBr =>
2 C4H10Br + 2 Na = C8H20 + 2 NaBr
NaHCO3 + CH3COOH = NaCH3COO + H2O + CO2 =>
NaHCO3 + CH3COOH = NaCH3COO + H2O + CO2
Hg + Xe = XeHg =>
Hg + Xe = XeHg
CuSMg(OH)2 = Cu(OH)2MgS =>
CuSMg(OH)2 = Cu(OH)2MgS
NO2 + Ba(OH)2 + O2 = Ba(NO3)2 + H2O =>
4 NO2 + 2 Ba(OH)2 + O2 = 2 Ba(NO3)2 + 2 H2O
C21H30O2 + O2 = CO2 + H2O =>
2 C21H30O2 + 55 O2 = 42 CO2 + 30 H2O
Co + KMn = CoMn + K =>
Co + KMn = CoMn + K
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