Équations équilibrées la veille |
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
Mg + HC1 = MgC + H2 =>
2 Mg + 2 HC1 = 2 MgC + H2
Ba(OH)2 + ZnS = BaS + Zn(OH)2 =>
Ba(OH)2 + ZnS = BaS + Zn(OH)2
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
Fe2O2 + CO = Fe + CO2 =>
Fe2O2 + 2 CO = 2 Fe + 2 CO2
B + HPS3 = H2BS4 + PS2 + H2S =>
B + 6 HPS3 = H2BS4 + 6 PS2 + 2 H2S
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
NH4Br + NaOH = NaBr + NH3 + H2O =>
NH4Br + NaOH = NaBr + NH3 + H2O
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
Fe + Pb(NO{-}3){-}4 = Fe(NO{-}3){-}2 + Pb =>
Fe + Pb(NO{-}3){-}4 = Fe(NO{-}3){-}2 + Pb
NaNO3 + BaCl2 = Ba(NO3)2 + ClNa =>
2 NaNO3 + BaCl2 = Ba(NO3)2 + 2 ClNa
Fe3O4 + Al = Fe2 + Al2O3 =>
6 Fe3O4 + 16 Al = 9 Fe2 + 8 Al2O3
BaCI2 + Na2SO4 = BaSO4 + Na2CI2 =>
BaCI2 + Na2SO4 = BaSO4 + Na2CI2
CuSO4 + HCl = CuCl2 + H2SO4 =>
CuSO4 + 2 HCl = CuCl2 + H2SO4
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
V(OH)3 + KMnO4 + HCl = VOCl2 + KCl + MnCl2 + H2O =>
5 V(OH)3 + KMnO4 + 13 HCl = 5 VOCl2 + KCl + MnCl2 + 14 H2O
Cu(OH)2 + (NH4)3P = Cu3P2 + NH4OH =>
3 Cu(OH)2 + 2(NH4)3P = Cu3P2 + 6 NH4OH
NO + H2O = H(NO2) + H =>
NO + H2O = H(NO2) + H
C6H5C2H5 = C6H5CHCH2 + H2 =>
C6H5C2H5 = C6H5CHCH2 + H2
H2CrO4 + Co(OH)2 = Co(HCrO4)2 + H2O =>
2 H2CrO4 + Co(OH)2 = Co(HCrO4)2 + 2 H2O
Na2O + HCl = NaCl + H2O =>
Na2O + 2 HCl = 2 NaCl + H2O
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
HC2H3O2 + NaHCO3 = NaC2H3O2 + H2CO3 =>
HC2H3O2 + NaHCO3 = NaC2H3O2 + H2CO3
P{3+} + OH{-} = P(OH)3 =>
P{3+} + 3 OH{-} = P(OH)3
Me + HNO3 = Me(NO3) + NO + H2O =>
3 Me + 4 HNO3 = 3 Me(NO3) + NO + 2 H2O
H2 + N3F = N2 + HF =>
H2 + 2 N3F = 3 N2 + 2 HF
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
C5H6N1{+} + Br3{-} = Br2 + C5H6N =>
2 C5H6N1{+} + 2 Br3{-} = 3 Br2 + 2 C5H6N
Al(NO3)3 + Na3PO4 = AlPO4 + NaNO3 =>
Al(NO3)3 + Na3PO4 = AlPO4 + 3 NaNO3
H2O(l) + Br2(l) = HBr(aq) + HOBr(aq) =>
H2O(l) + Br2(l) = HBr(aq) + HOBr(aq)
Fe2(CO3)3 + CsF = Cs2CO3 + FeF3 =>
Fe2(CO3)3 + 6 CsF = 3 Cs2CO3 + 2 FeF3
Al + Mg(NO3)2 + H2O = MgOHNO3 + Al(NO3)3 + H2 =>
2 Al + 6 Mg(NO3)2 + 6 H2O = 6 MgOHNO3 + 2 Al(NO3)3 + 3 H2
Cl2Br2 = ClBr =>
Cl2Br2 = 2 ClBr
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Zn(s)Pb(NO3)2(aq) = Pb(s)Zn(NO3)2(aq) =>
Zn(s)Pb(NO3)2(aq) = Pb(s)Zn(NO3)2(aq)
Zn + HNO3 = Zn(NO3)2 + H2 =>
Zn + 2 HNO3 = Zn(NO3)2 + H2
KF + HBr = HF + KBr =>
KF + HBr = HF + KBr
Ca + NH3 = CaH2 + N2 =>
3 Ca + 2 NH3 = 3 CaH2 + N2
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
Cr + Ca(OH)2 = Cr(OH)3 + Ca =>
2 Cr + 3 Ca(OH)2 = 2 Cr(OH)3 + 3 Ca
H2 + CO = C0H20 + H2O =>
11 H2 + CO = C0H20 + H2O
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
Ca(HSO3)2 + HNO3 = Ca(NO3)2 + H2O + SO2 =>
Ca(HSO3)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O + 2 SO2
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
Cu + Ag3(NO3) = Ag + Cu(NO3)2 =>
Cu + 2 Ag3(NO3) = 6 Ag + Cu(NO3)2
AlOH2 = AlH2O =>
AlOH2 = AlH2O
HONH2 + H2O = H2ONH2 + OH =>
HONH2 + H2O = H2ONH2 + OH
Ba(NO3)2 + HCl = BaCl2 + HNO3 =>
Ba(NO3)2 + 2 HCl = BaCl2 + 2 HNO3
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
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