Équations équilibrées la veille | Équations équilibrées le lendemain |
7 Cu + C6H8O7 = 7 CuO + C6H8
K + Ca(NO3)2 = KNO3 + Ca =>
2 K + Ca(NO3)2 = 2 KNO3 + Ca
K2(Cr2O7) + SNCl2 + HCl = CrCl3 + SNCl4 + KCl + H2O =>
K2(Cr2O7) + 3 SNCl2 + 14 HCl = 2 CrCl3 + 3 SNCl4 + 2 KCl + 7 H2O
Al + Fe(O3)2 = AlO3 + Fe2 =>
4 Al + 2 Fe(O3)2 = 4 AlO3 + Fe2
Mg + H3O = MgO + H =>
Mg + H3O = MgO + 3 H
HCN + CaO = CaCN(OH) =>
HCN + CaO = CaCN(OH)
K + PdCO3 = K2CO3 + Pd =>
2 K + PdCO3 = K2CO3 + Pd
HBr + CaS = CaBr + SH =>
HBr + CaS = CaBr + SH
CH3COOH + O2 = CO(H2)O =>
CH3COOH + O2 = 2 CO(H2)O
K2 + O2 = KO2 =>
K2 + 2 O2 = 2 KO2
K2C2O4*H2O + FeCl3*H2O = FeK3(C2O4)3H2O + KCl + H2O =>
3 K2C2O4*H2O + FeCl3*H2O = FeK3(C2O4)3H2O + 3 KCl + 3 H2O
Zn + COCl = ZnCl2 + CO =>
Zn + 2 COCl = ZnCl2 + 2 CO
CH3COOH + NaClO2 = ClO2 + H2O + CH3COONa + NaCl =>
4 CH3COOH + 5 NaClO2 = 4 ClO2 + 2 H2O + 4 CH3COONa + NaCl
HAuCl4 + Na2S2O3 + H2O = Au + Na2SO4 + H2SO4 + HCl =>
8 HAuCl4 + 3 Na2S2O3 + 15 H2O = 8 Au + 3 Na2SO4 + 3 H2SO4 + 32 HCl
K2CO3 + Ba(NO3)2 = K2(NO3)2 + BaCO3 =>
K2CO3 + Ba(NO3)2 = K2(NO3)2 + BaCO3
K2Cr2O7 + (COOH)2 + H2SO4 = K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
K2Cr2O7 + 3(COOH)2 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 6 CO2 + 7 H2O
K2Cr2O7 + H2O = KOH + Cr2O3 + O =>
K2Cr2O7 + H2O = 2 KOH + Cr2O3 + 3 O
Ca3N2 = N2 + Ca =>
Ca3N2 = N2 + 3 Ca
SO3 + H2O = H2SO + O2 =>
2 SO3 + 2 H2O = 2 H2SO + 3 O2
Na3PO4(aq) + Ba2NO3(aq) = Ba2PO4(s) + Na3NO3(aq) =>
Na3PO4(aq) + Ba2NO3(aq) = Ba2PO4(s) + Na3NO3(aq)
KOH(aq) + CuSO4(aq) = Cu(OH)2 + K2SO4(g) =>
2 KOH(aq) + CuSO4(aq) = Cu(OH)2 + K2SO4(g)
Na2O2(s) + CO2(l) = Na2CO3(aq) + O2(g) =>
2 Na2O2(s) + 2 CO2(l) = 2 Na2CO3(aq) + O2(g)
RSi(OCH3)3 + C2H5OH = RSi(OH)3 + C2H5OCH3 =>
RSi(OCH3)3 + 3 C2H5OH = RSi(OH)3 + 3 C2H5OCH3
BaCl2 + K2CO3 = Ba(CO3) + ClK =>
BaCl2 + K2CO3 = Ba(CO3) + 2 ClK
BaI2 + Fe2(SO4)3 = BaSO4 + FeI3 =>
3 BaI2 + Fe2(SO4)3 = 3 BaSO4 + 2 FeI3
PbCl2 + H3O = H2O + Pb + HCl =>
PbCl2 + 2 H3O = 2 H2O + Pb + 2 HCl
AuNO3 + Na2S = AuS + Na2NO3 =>
AuNO3 + Na2S = AuS + Na2NO3
K2S(aq)Pb(NO3)2(aq) = K2(NO3)2PbS =>
K2S(aq)Pb(NO3)2(aq) = K2(NO3)2PbS
K2S + BaCl2 = K2Cl2 + BaS =>
K2S + BaCl2 = K2Cl2 + BaS
NaNO3 + H2SO4 = Na2(SO4) + HNO3 =>
2 NaNO3 + H2SO4 = Na2(SO4) + 2 HNO3
FeCl3(ac) + Na2S2O3(ac) = Na[Fe(S2O3)2] + NaCl =>
FeCl3(ac) + 2 Na2S2O3(ac) = Na[Fe(S2O3)2] + 3 NaCl
UF4 + Cl = U + ClF5 =>
5 UF4 + 4 Cl = 5 U + 4 ClF5
Ni(NO3)2*6H2O + Co(NO3)2*6H2O + Zn(NO3)2*6H2O + Fe(NO3)2*9H2O + C2H5NO2 = Ni03Co05ZnFe2O4 + N2 + CO + H2O =>
15 Ni(NO3)2*6H2O + 25 Co(NO3)2*6H2O + 5 Zn(NO3)2*6H2O + 10 Fe(NO3)2*9H2O + 124 C2H5NO2 = 5 Ni03Co05ZnFe2O4 + 117 N2 + 248 CO + 670 H2O
K2SO3(aq) + H2SO4(aq) = K2SO4 + SO2 + H2O =>
K2SO3(aq) + H2SO4(aq) = K2SO4 + SO2 + H2O
Li + H2SO4 = Li2(SO4)3 + H2O + H2S =>
8 Li + 15 H2SO4 = 4 Li2(SO4)3 + 12 H2O + 3 H2S
C2H2 + O02 = CO2 + H2O =>
2 C2H2 + 5 O02 = 4 CO2 + 2 H2O
K2SO3(aq) + HNO3(aq) = KNO3(aq) + SO2(g) + H2O(l) =>
K2SO3(aq) + 2 HNO3(aq) = 2 KNO3(aq) + SO2(g) + H2O(l)
H3PO4(aq) + Mg(OH)2(s) = MgPO4 + H3(OH)2 =>
H3PO4(aq) + Mg(OH)2(s) = MgPO4 + H3(OH)2
K3(PO4) + Sr(NO3)2 = K3(NO3)2 + Sr(PO4) =>
K3(PO4) + Sr(NO3)2 = K3(NO3)2 + Sr(PO4)
K2SO4 + HBr = H2O + KBr + SO3 =>
K2SO4 + 2 HBr = H2O + 2 KBr + SO3
CO2HO2 = O2 + CO2 + H2O =>
4 CO2HO2 = 3 O2 + 4 CO2 + 2 H2O
Br2 + K2O = KBr + KBrO3 =>
3 Br2 + 3 K2O = 5 KBr + KBrO3
NaF + Ca(OH)2 = CaF2 + NaOH =>
2 NaF + Ca(OH)2 = CaF2 + 2 NaOH
K3N + HCl = KCl + H3N =>
K3N + 3 HCl = 3 KCl + H3N
Cr2(SO4)3 + Br2 + NaOH = Na2CrO4 + NaBr + Na2(SO4)3 + H2O =>
Cr2(SO4)3 + 5 Br2 + 16 NaOH = 2 Na2CrO4 + 10 NaBr + Na2(SO4)3 + 8 H2O
K3PO4(aq) + Al(NO3)3(aq) = K3(NO3)3 + AlPO4 =>
K3PO4(aq) + Al(NO3)3(aq) = K3(NO3)3 + AlPO4
Mg + HCI = MgCI2CH2 =>
Mg + 2 HCI = MgCI2CH2
MeI + Mg = MeMgI =>
MeI + Mg = MeMgI
BaCl2 + Fe = BaCl2Fe =>
BaCl2 + Fe = BaCl2Fe
KAl(OH)4(aq) + H2SO4(aq) + H2O(l) = KAl(SO4)2*12H2O(s) =>
KAl(OH)4(aq) + 2 H2SO4(aq) + 8 H2O(l) = KAl(SO4)2*12H2O(s)
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