Équations équilibrées la veille |
2 KMnO4 + 10 KI + 12 HClO4 = 5 I2 + 12 KClO4 + 2 MnO + 6 H2O
ZnOFe2O3 = Fe2ZnO4 =>
ZnOFe2O3 = Fe2ZnO4
K2CrO7 + KI + HCl = CrCl3 + KI3 + KCl + H2O =>
2 K2CrO7 + 27 KI + 28 HCl = 2 CrCl3 + 9 KI3 + 22 KCl + 14 H2O
Fe + HNO3() = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3() = Fe(NO3)3 + NO + 2 H2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
CuCl2 + NH3 + H2O = Cu(NH3)4(H2O)2 + NH4Cl + OH =>
CuCl2 + 6 NH3 + 4 H2O = Cu(NH3)4(H2O)2 + 2 NH4Cl + 2 OH
O2 + CH4 = CO2 + (H2)O =>
2 O2 + CH4 = CO2 + 2(H2)O
NaNO2 + FeCl2 + HCl = NO + FeCl3 + NaCl + H2O =>
NaNO2 + FeCl2 + 2 HCl = NO + FeCl3 + NaCl + H2O
K2Co3 + H2O = HK2Co3 + OH =>
K2Co3 + H2O = HK2Co3 + OH
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Fe(OH)2 + HI = H2O + FeI2 =>
Fe(OH)2 + 2 HI = 2 H2O + FeI2
K2Cr2O7 + H2O = Cr2O3 + KOH + O =>
K2Cr2O7 + H2O = Cr2O3 + 2 KOH + 3 O
Hg2(NO3)2 + CuSO4 = Cu2(NO3)2 + HgSO4 =>
Hg2(NO3)2 + 2 CuSO4 = Cu2(NO3)2 + 2 HgSO4
P4O10 + H2O = P4O6 + OH =>
P4O10 + 4 H2O = P4O6 + 8 OH
Cr(OH)3 + IO3 = CrO3{-2} + I{-} + H{+} + H2O =>
7 Cr(OH)3 + IO3 = 7 CrO3{-2} + I{-} + 15 H{+} + 3 H2O
ZnSO4 + Cd(NO3)2 = Zn(NO3)2 + CdSO4 =>
ZnSO4 + Cd(NO3)2 = Zn(NO3)2 + CdSO4
FeCl2 + NaNO2 + HCl = N2 + NaCl + FeCl3 + H2O =>
6 FeCl2 + 2 NaNO2 + 8 HCl = N2 + 2 NaCl + 6 FeCl3 + 4 H2O
C4H6O6 + Mg = H2 + C4H4MgO6 =>
C4H6O6 + Mg = H2 + C4H4MgO6
FeCl3 + NH4SCN = Fe(SCN)3 + NH4Cl =>
FeCl3 + 3 NH4SCN = Fe(SCN)3 + 3 NH4Cl
H + SO4 = H2SO4 =>
2 H + SO4 = H2SO4
MnO4{-} + W3{+} + H{+} = Mn2{+} + WO22{+} + H2O =>
268 MnO4{-} + 13 W3{+} + 428 H{+} = 134 Mn2{+} + 39 WO22{+} + 214 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
C6H12O6 = C4H6O2 + CO2 + H2O =>
3 C6H12O6 = 4 C4H6O2 + 2 CO2 + 6 H2O
Sn(NO2)4 + Pt3N4 = Sn3N4 + Pt(NO2)4 =>
3 Sn(NO2)4 + Pt3N4 = Sn3N4 + 3 Pt(NO2)4
AlCl3 + H2SO4 = H3Cl3 + (Al2)(SO4)3 =>
2 AlCl3 + 3 H2SO4 = 2 H3Cl3 + (Al2)(SO4)3
Mn3N2 + H2O = Mn(OH)2 + NH3 =>
Mn3N2 + 6 H2O = 3 Mn(OH)2 + 2 NH3
C26H131O + O2 = CO2 + H2O =>
4 C26H131O + 233 O2 = 104 CO2 + 262 H2O
HgI2 + (NH4)2S = HgS + NH4I =>
HgI2 + (NH4)2S = HgS + 2 NH4I
CuSO4(aq) + NaS(aq) = CuS(aq) + NaSO4 =>
CuSO4(aq) + NaS(aq) = CuS(aq) + NaSO4
Fe2(SO4)3 + K2CO3 = Fe2(CO3)K2(SO4)3 =>
Fe2(SO4)3 + K2CO3 = Fe2(CO3)K2(SO4)3
C3H2*3(C18H36O2) + NaOH = (NaC18H35O2) + C3H8O3 =>
C3H2*3(C18H36O2) + 3 NaOH = 3(NaC18H35O2) + C3H8O3
CH3CoOH + NaHCO3 = CO2 + H2O + CH3CoONa =>
CH3CoOH + NaHCO3 = CO2 + H2O + CH3CoONa
N2O4 + Cu = Cu2O + NO =>
N2O4 + 4 Cu = 2 Cu2O + 2 NO
NaHPO4 + AgNO3 = AgPO4 + NaNO3 + H =>
NaHPO4 + AgNO3 = AgPO4 + NaNO3 + H
KBr + C6H6 + Cl2 = KCl + C6H5Cl + HBr =>
KBr + C6H6 + Cl2 = KCl + C6H5Cl + HBr
NO(g) = N2O(g) + NO2 =>
3 NO(g) = N2O(g) + NO2
FeCl2 + NaNO2 + HCl = N2 + NaCl + FeCl3 + H2O =>
6 FeCl2 + 2 NaNO2 + 8 HCl = N2 + 2 NaCl + 6 FeCl3 + 4 H2O
Fe(OH)3 + LiOH = Fe(OH)2 + Li(OH)2 =>
Fe(OH)3 + LiOH = Fe(OH)2 + Li(OH)2
CuS + KMnO4 + H2SO4 = CuSO4 + K2SO4 + MnSO4 + H2O =>
5 CuS + 8 KMnO4 + 12 H2SO4 = 5 CuSO4 + 4 K2SO4 + 8 MnSO4 + 12 H2O
Ag + AuCl3 = AgCl + Au3 =>
9 Ag + 3 AuCl3 = 9 AgCl + Au3
FeCl2 + NaNO2 + HCl = N2 + NaCl + FeCl3 + H2O =>
6 FeCl2 + 2 NaNO2 + 8 HCl = N2 + 2 NaCl + 6 FeCl3 + 4 H2O
C4H6O4 + O2 = CO2 + H2O =>
2 C4H6O4 + 7 O2 = 8 CO2 + 6 H2O
NaOH + C8H5O4K = NaC8H2O3K + H2O =>
NaOH + C8H5O4K = NaC8H2O3K + 2 H2O
K2MnO4 + CO2 + H2O = KMnO4 + KHCO3 + MnO =>
5 K2MnO4 + 6 CO2 + 3 H2O = 4 KMnO4 + 6 KHCO3 + MnO
H2SO3 + Mn + HCl = MnCl2 + H2O + S =>
H2SO3 + 2 Mn + 4 HCl = 2 MnCl2 + 3 H2O + S
H2Te + NaOH = NaHTe + H2O =>
H2Te + NaOH = NaHTe + H2O
SnCl2(aq) + NaOH(aq) = Sn(OH)2(s) + NaCl(aq) =>
SnCl2(aq) + 2 NaOH(aq) = Sn(OH)2(s) + 2 NaCl(aq)
C2H6O + C21H30O2 = C23H36O3 =>
C2H6O + C21H30O2 = C23H36O3
Tc2O7 + CCl4 = TcCl4 + COCl2 + Cl2 =>
Tc2O7 + 7 CCl4 = 2 TcCl4 + 7 COCl2 + 3 Cl2
C6H5CH(OH)CH3 + H2O2 = C6H5COCH2 + H2O =>
2 C6H5CH(OH)CH3 + 3 H2O2 = 2 C6H5COCH2 + 6 H2O
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