Équations équilibrées la veille |
2 HS = H2 + 2 S
CH3OH + K2Cr2O7 + HBr = CO2 + KBr + CrBr3 + H2O =>
CH3OH + K2Cr2O7 + 8 HBr = CO2 + 2 KBr + 2 CrBr3 + 6 H2O
HCO3 + HF = H2F + CO3 =>
HCO3 + HF = H2F + CO3
Zn + CrCl3 = Cr6 + ZnCl2 =>
9 Zn + 6 CrCl3 = Cr6 + 9 ZnCl2
NO2 + HNO2 = HNO3 + NO =>
NO2 + HNO2 = HNO3 + NO
S + Br3 = SBr3 =>
S + Br3 = SBr3
Fe(s) + Ni(NO3)(aq) = Fe(NO3)3(aq) + Ni(s) =>
Fe(s) + 3 Ni(NO3)(aq) = Fe(NO3)3(aq) + 3 Ni(s)
NaHCO3 + CH3OOH = NaCH3CO2 + H2O + CO2 =>
NaHCO3 + 2 CH3OOH = NaCH3CO2 + 3 H2O + CO2
B3N3H6 + O2 = N2O5 + B2O3 + H2O =>
2 B3N3H6 + 15 O2 = 3 N2O5 + 3 B2O3 + 6 H2O
NH3(g) + O2 = NO(g) + H2O(l) =>
4 NH3(g) + 5 O2 = 4 NO(g) + 6 H2O(l)
Mn(OH)2 + NaOH + Br2 = MnO2 + NaBr + H2O =>
Mn(OH)2 + 2 NaOH + Br2 = MnO2 + 2 NaBr + 2 H2O
KOH + LiOH = KLi + OH =>
KOH + LiOH = KLi + 2 OH
CaCO3 + HC1 = CO2 + H2O + CaC1 =>
5 CaCO3 + 6 HC1 = 6 CO2 + 3 H2O + 5 CaC1
Fe(s) + Ni(NO3)(aq) = Fe(NO3)3(aq) + Ni(s) =>
Fe(s) + 3 Ni(NO3)(aq) = Fe(NO3)3(aq) + 3 Ni(s)
Na3MnO4 + HCl = MnO2 + NaMnO4 + H2O + NaCl =>
3 Na3MnO4 + 8 HCl = 2 MnO2 + NaMnO4 + 4 H2O + 8 NaCl
Na2CO3 + Sr(NO3)3 = Na(NO3) + Sr2(CO3)3 =>
3 Na2CO3 + 2 Sr(NO3)3 = 6 Na(NO3) + Sr2(CO3)3
KI(aq) + AgNO3(aq) = AgI(s) + KNO3(s) =>
KI(aq) + AgNO3(aq) = AgI(s) + KNO3(s)
C2H4 + KMnO4 + KOH = K2MnO4 + K2CO3 + H2O =>
C2H4 + 12 KMnO4 + 16 KOH = 12 K2MnO4 + 2 K2CO3 + 10 H2O
Fe(OH)3 = Fe + (OH)3 =>
Fe(OH)3 = Fe + (OH)3
FeCl2 + SO2 = Fe + SO2Cl2 =>
FeCl2 + SO2 = Fe + SO2Cl2
LiOH(s) + CO2 = Li2CO3 + H2O(l) =>
2 LiOH(s) + CO2 = Li2CO3 + H2O(l)
PH3 + K2MnO4 + H2O = K3PO4 + MnO2 + KOH =>
PH3 + 4 K2MnO4 + H2O = K3PO4 + 4 MnO2 + 5 KOH
Al + Na3PO4 = AlPO4 + Na3 =>
Al + Na3PO4 = AlPO4 + Na3
C6H8O6 + H2O = C6H7O6 + H3O =>
C6H8O6 + H2O = C6H7O6 + H3O
Ce(NO3) = NO + Ce + O2 =>
Ce(NO3) = NO + Ce + O2
Fe{3+} + H2O + e = FeOH + H =>
Fe{3+} + H2O + 3e = FeOH + H
CuSO4 + MnO2 = Mn(SO4)2 + CuO =>
2 CuSO4 + MnO2 = Mn(SO4)2 + 2 CuO
C3H8O3 + HNO3 = C3H5N3O9 + H2O =>
C3H8O3 + 3 HNO3 = C3H5N3O9 + 3 H2O
CH2COOH + Na2CO3 = CH2COONa + HNaCO3 =>
CH2COOH + Na2CO3 = CH2COONa + HNaCO3
HOI = HIO3 + I2 + H2O =>
5 HOI = HIO3 + 2 I2 + 2 H2O
C + SO2 = CS2 + CO2 =>
3 C + 2 SO2 = CS2 + 2 CO2
Na + HOH = H2 + NaOH =>
2 Na + 2 HOH = H2 + 2 NaOH
Na + Pb(OH)2 = Na(OH)2 + Pb =>
Na + Pb(OH)2 = Na(OH)2 + Pb
[AsO4]3{-} + S2{-} + H{+} = [AsO3]3{-} + S + H2O =>
[AsO4]3{-} + 6 S2{-} + 6 H{+} = [AsO3]3{-} + 12 S + 3 H2O
BaBr + KSO4 = BaSO4 + KBr =>
BaBr + KSO4 = BaSO4 + KBr
K3[Al(OH)6] + H2S = K2S + Al(OH)3 + H2O =>
2 K3[Al(OH)6] + 3 H2S = 3 K2S + 2 Al(OH)3 + 6 H2O
HNO3 + CO2 = C(NO3)4 + H2O =>
4 HNO3 + CO2 = C(NO3)4 + 2 H2O
Mg + Al = MgAl3 =>
Mg + 3 Al = MgAl3
C15H31COONa + Ca(HCO3)2 = (C15H31COO)2Ca + NaHCO3 =>
2 C15H31COONa + Ca(HCO3)2 = (C15H31COO)2Ca + 2 NaHCO3
Pb(NH3)4(OH)2 = PbO + NH3 + H2O =>
Pb(NH3)4(OH)2 = PbO + 4 NH3 + H2O
Br2 + NaOH = NaBrO3 + H2O + NaBr =>
3 Br2 + 6 NaOH = NaBrO3 + 3 H2O + 5 NaBr
Ca5 + H = Ca6H6 =>
6 Ca5 + 30 H = 5 Ca6H6
NH4Cl + NaOH = NaCl + H2O*NH3 =>
NH4Cl + NaOH = NaCl + H2O*NH3
C18H36O2KOH = C18H35O2KH2O =>
C18H36O2KOH = C18H35O2KH2O
Zn(OH)2 = ZnO + H2O =>
Zn(OH)2 = ZnO + H2O
(NH2)2CO + H2O + Ba(NO3)2 = NH4NO3 + BaCO3 =>
(NH2)2CO + 2 H2O + Ba(NO3)2 = 2 NH4NO3 + BaCO3
Na + AlF3 = NaF + Al =>
3 Na + AlF3 = 3 NaF + Al
Pb(NO3)2(aq) + Fe(s) = Fe(NO3)3(aq) + Pb(s) =>
3 Pb(NO3)2(aq) + 2 Fe(s) = 2 Fe(NO3)3(aq) + 3 Pb(s)
C5H12 + Br2 = C5H11Br + HBr =>
C5H12 + Br2 = C5H11Br + HBr
CaCl2 + Cs2CO3 = CaCO3 + CsCl =>
CaCl2 + Cs2CO3 = CaCO3 + 2 CsCl
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