Équations équilibrées la veille |
H2CN2 = N2 + CH2
NaCl + K4Fe(CN)6 = NaCN + K4FeCl6 =>
6 NaCl + K4Fe(CN)6 = 6 NaCN + K4FeCl6
Sb(OH)2Cl + HCl = SbCl3 + H2O =>
Sb(OH)2Cl + 2 HCl = SbCl3 + 2 H2O
HClO4 + Co = CoClO4 + H =>
HClO4 + Co = CoClO4 + H
NaI + FeCl2 = NaCl + FeI2 =>
2 NaI + FeCl2 = 2 NaCl + FeI2
Mg + Cu2NO3 = Cu + Mg(NO3)2 =>
Mg + 2 Cu2NO3 = 4 Cu + Mg(NO3)2
Na2B4O7*H2O = Na2B4O7 + H2O =>
Na2B4O7*H2O = Na2B4O7 + H2O
NaOH + ClSO4 = Na2SO4 + Cl(OH)2 =>
2 NaOH + ClSO4 = Na2SO4 + Cl(OH)2
Mn(OH)2(s) + O2(g) = MnO(OH)(s) + H2O(l) =>
4 Mn(OH)2(s) + O2(g) = 4 MnO(OH)(s) + 2 H2O(l)
Mg3N2(s)(s) + HOH(l) = Mg(OH)2(aq) + NH3(g) =>
Mg3N2(s)(s) + 6 HOH(l) = 3 Mg(OH)2(aq) + 2 NH3(g)
Au + KNC + O2 + H2O = KAu(CN)2 + KOH =>
4 Au + 8 KNC + O2 + 2 H2O = 4 KAu(CN)2 + 4 KOH
Cd + H2 = CdH2 =>
Cd + H2 = CdH2
Cu(NO3)2 + Na2S = CuS + Na2(NO3)2 =>
Cu(NO3)2 + Na2S = CuS + Na2(NO3)2
NO2 + HI = N2 + I2 + H2O =>
2 NO2 + 8 HI = N2 + 4 I2 + 4 H2O
NaPl4 + CaCl = CaPl4 + NaCl =>
NaPl4 + CaCl = CaPl4 + NaCl
H2SO4 + Pt(OH)4 = Pt2(SO4)4 + H2O =>
4 H2SO4 + 2 Pt(OH)4 = Pt2(SO4)4 + 8 H2O
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
FeCl2(H2O)4 + H2C2O4 = FeC2O4(H2O)2 + H2O + HCl =>
FeCl2(H2O)4 + H2C2O4 = FeC2O4(H2O)2 + 2 H2O + 2 HCl
K4[Fe(cn)6] + H2O + O2 = K3[Fe(cn)6] + KOH =>
4 K4[Fe(cn)6] + 2 H2O + O2 = 4 K3[Fe(cn)6] + 4 KOH
Ag + H2(SO4) = Ag2(SO4) + H =>
2 Ag + H2(SO4) = Ag2(SO4) + 2 H
PbO2 + H2SO3 = Pb(SO3)2 + H2O =>
PbO2 + 2 H2SO3 = Pb(SO3)2 + 2 H2O
FeO + H2S = FeS + H2O =>
FeO + H2S = FeS + H2O
PhKOH + PhH2SO4 = PhK2SO4 + PhH2O =>
2 PhKOH + PhH2SO4 = PhK2SO4 + 2 PhH2O
Nd2O3 + B = NdB6 + B2O2 =>
2 Nd2O3 + 30 B = 4 NdB6 + 3 B2O2
Mo(CO)6 + PPh3 = Mo(CO)4(PPh3)2 + CO =>
Mo(CO)6 + 2 PPh3 = Mo(CO)4(PPh3)2 + 2 CO
NiBr2(aq) + Na2CO3(aq) = NiCO3 + NaBr =>
NiBr2(aq) + Na2CO3(aq) = NiCO3 + 2 NaBr
Mg(OH)2(aq) + HCl(aq) = MgCl2 + H2O =>
Mg(OH)2(aq) + 2 HCl(aq) = MgCl2 + 2 H2O
CH2OCOC18H36O2CH(OCOC18H36O2)CH2OCOC18H36O2 + NaOH = CH2OHCH(OH)CH2OH + C18H36O2COONa =>
CH2OCOC18H36O2CH(OCOC18H36O2)CH2OCOC18H36O2 + 3 NaOH = CH2OHCH(OH)CH2OH + 3 C18H36O2COONa
KBr + AgC2H3O2 = KC2H3O2 + AgBr =>
KBr + AgC2H3O2 = KC2H3O2 + AgBr
SO2 + ZnCl2 = ZnSO2 + Cl =>
SO2 + ZnCl2 = ZnSO2 + 2 Cl
Zn + MgSO4 = Mg2 + ZnSO4 =>
2 Zn + 2 MgSO4 = Mg2 + 2 ZnSO4
Cr2(SO4)3 + Pb = Cr + PbSO4 =>
Cr2(SO4)3 + 3 Pb = 2 Cr + 3 PbSO4
MCl2 + H2SO4 = MSO4 + HCl =>
MCl2 + H2SO4 = MSO4 + 2 HCl
Ba(NO3)2 + Na2Cr2O7 = Na2(NO3)2 + BaCr2O7 =>
Ba(NO3)2 + Na2Cr2O7 = Na2(NO3)2 + BaCr2O7
NaBr + NH4Cl = NaH4Cl + NBr =>
NaBr + NH4Cl = NaH4Cl + NBr
Cl2O7(l) + H2O(l) = HClO4(aq) =>
Cl2O7(l) + H2O(l) = 2 HClO4(aq)
CHI3 + O2 = COI2 + HI =>
2 CHI3 + O2 = 2 COI2 + 2 HI
CaO(s) + SO3 = CaSO4(s) =>
CaO(s) + SO3 = CaSO4(s)
Nb + HNO3 + HF = H2[NbF7] + NO2 + H2O =>
Nb + 5 HNO3 + 7 HF = H2[NbF7] + 5 NO2 + 5 H2O
Fe + Cu2 = FeCu =>
2 Fe + Cu2 = 2 FeCu
CH3CH2CONH2 + HCl + H2O = CH3CH2COOH + NH4Cl =>
CH3CH2CONH2 + HCl + H2O = CH3CH2COOH + NH4Cl
ZnS + NaNO3 = ZnNO3 + NaS =>
ZnS + NaNO3 = ZnNO3 + NaS
KI + H2SO4 = I2 + H2S + K2SO4H2O =>
8 KI + 5 H2SO4 = 4 I2 + H2S + 4 K2SO4H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Zn + Na(NO3) + Na(OH) = Na2(ZnO2) + NH3 + H2O =>
4 Zn + Na(NO3) + 7 Na(OH) = 4 Na2(ZnO2) + NH3 + 2 H2O
SO3 + KOH = K2SO4 + H2O =>
SO3 + 2 KOH = K2SO4 + H2O
Na(cr) + O2(g) = Na2O(cr) =>
4 Na(cr) + O2(g) = 2 Na2O(cr)
MnO4{-}(aq) + S2O3{2-}(aq) + H2O = MnO2(s) + SO4{2-}(aq) + OH{-}(aq) =>
8 MnO4{-}(aq) + 3 S2O3{2-}(aq) + H2O = 8 MnO2(s) + 6 SO4{2-}(aq) + 2 OH{-}(aq)
Fe2(SO4)3 + Ca(OH)2 + H2O = Fe(OH)3 + CaSO4*2H2O =>
Fe2(SO4)3 + 3 Ca(OH)2 + 6 H2O = 2 Fe(OH)3 + 3 CaSO4*2H2O
H3FeO3 + KOH = KFeO2 + H2O =>
H3FeO3 + KOH = KFeO2 + 2 H2O
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