Équations équilibrées la veille |
Ca + H2 = CaH2
C2H10N2O + O2 = CO2 + H2O + NH3 =>
2 C2H10N2O + 5 O2 = 4 CO2 + 4 H2O + 4 NH3
FeCl2 + O2 = Fe2O3 + FeCl3 =>
12 FeCl2 + 3 O2 = 2 Fe2O3 + 8 FeCl3
Zn2S2 + O2 = Zn2O2 + S2O2 =>
Zn2S2 + 2 O2 = Zn2O2 + S2O2
SnO + Na2O = SnO2 + Na =>
SnO + Na2O = SnO2 + 2 Na
C3H7COOHNaOH = NaC3H7COOH2O =>
C3H7COOHNaOH = NaC3H7COOH2O
C4H7O2 + NaOH = C4H8O2Na + H2O + CO2 =>
21 C4H7O2 + 19 NaOH = 19 C4H8O2Na + 7 H2O + 8 CO2
C3H7COOHNaOH = C3H7COONaH2O =>
C3H7COOHNaOH = C3H7COONaH2O
NaOH + Fe(C2H3O2)3 = NaC2H3O2 + Fe(OH)3 =>
3 NaOH + Fe(C2H3O2)3 = 3 NaC2H3O2 + Fe(OH)3
Na2SO4 + H2O = NaOH + H2SO4 =>
Na2SO4 + 2 H2O = 2 NaOH + H2SO4
Al(s) + FeBr3(aq) = AlBr3(aq) + Fe(s) =>
Al(s) + FeBr3(aq) = AlBr3(aq) + Fe(s)
Li2O + H2O = LiOH = =>
Li2O + H2O = 2 LiOH
SO2Cl2 + Fe = FeCl3 + SO2 =>
3 SO2Cl2 + 2 Fe = 2 FeCl3 + 3 SO2
NH3O + H2O2 = H2O + N2O3 =>
2 NH3O + 4 H2O2 = 7 H2O + N2O3
Cu(HCO3)2 + H2SO4 = CuSO4 + CO2 + H2O =>
Cu(HCO3)2 + H2SO4 = CuSO4 + 2 CO2 + 2 H2O
BH + O = BO + HO =>
BH + 2 O = BO + HO
FeCl2Ba(OH)2 = Fe(OH)2BaCl2 =>
FeCl2Ba(OH)2 = Fe(OH)2BaCl2
FeS + O2 = Fe2O3 + S02 =>
4 FeS + 3 O2 = 2 Fe2O3 + 2 S02
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
NaHSO3 + CH3CH2OH = H2O + CH3CH3 + NaSO4 =>
2 NaHSO3 + 3 CH3CH2OH = H2O + 3 CH3CH3 + 2 NaSO4
HClNaSO4 = HSO4NaCl =>
HClNaSO4 = HSO4NaCl
MnSO4 + KMnO4 + H2O = MnO2 + K2SO4 + H2SO4 =>
3 MnSO4 + 2 KMnO4 + 2 H2O = 5 MnO2 + K2SO4 + 2 H2SO4
Cs2O2 + H2O = CsOH + O2 =>
2 Cs2O2 + 2 H2O = 4 CsOH + O2
BaHCO3 = Ba + HCO3 =>
BaHCO3 = Ba + HCO3
KMnO4 = MnO2K2MnO4O2 =>
2 KMnO4 = MnO2K2MnO4O2
Ai + HBr = AiBr + H2 =>
2 Ai + 2 HBr = 2 AiBr + H2
ClO3{-} + As2S3 + H2O = Cl{-} + H2AsO4{-} + HSO4{-} + H{+} =>
14 ClO3{-} + 3 As2S3 + 18 H2O = 14 Cl{-} + 6 H2AsO4{-} + 9 HSO4{-} + 15 H{+}
Na(OH) + FeBr3 = NaBr3 + (OH)Fe =>
Na(OH) + FeBr3 = NaBr3 + (OH)Fe
MnCl2 + NH4OH + Na2HPO4 = MnNH4PO4 + NaCl + H2O =>
MnCl2 + NH4OH + Na2HPO4 = MnNH4PO4 + 2 NaCl + H2O
CH3CH2CH2COOH + KOH = CH3CH2CH2COOK + H2O =>
CH3CH2CH2COOH + KOH = CH3CH2CH2COOK + H2O
NaCl(s) + H2SO4(l) = Na2SO4(aq) + HCl(aq) =>
2 NaCl(s) + H2SO4(l) = Na2SO4(aq) + 2 HCl(aq)
BaCl2 + MgSO4 = BaSO4 + Cl2 + Mg =>
BaCl2 + MgSO4 = BaSO4 + Cl2 + Mg
C2H6Cl = C2H5HCl =>
C2H6Cl = C2H5HCl
Al2(SO4)3 + NH4Cl = (NH4)2SO4 + AlCl3 =>
Al2(SO4)3 + 6 NH4Cl = 3(NH4)2SO4 + 2 AlCl3
Cs2SO4 + BaBr2 = BaSO4 + CsBr =>
Cs2SO4 + BaBr2 = BaSO4 + 2 CsBr
Ca(HCO3)2NaOH = CaOHNa(HCO3)2 =>
Ca(HCO3)2NaOH = CaOHNa(HCO3)2
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
CuSO4 + K4Fe(CN)6 = Cu(CN)6 + K4FeSO4 =>
CuSO4 + K4Fe(CN)6 = Cu(CN)6 + K4FeSO4
Ag + Al2O3 = Ag2O3 + Al =>
2 Ag + Al2O3 = Ag2O3 + 2 Al
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C2H6Cl = C2H5ClH =>
C2H6Cl = C2H5ClH
FeU3 + H2S = FeS + H2 + US2 =>
FeU3 + 7 H2S = FeS + 7 H2 + 3 US2
NaOH + C8H5KO4 = NaC8H4KO4 + H2O =>
NaOH + C8H5KO4 = NaC8H4KO4 + H2O
Ag + Al2O3 = Ag2O3 + Al =>
2 Ag + Al2O3 = Ag2O3 + 2 Al
S2O5{2-} = SO2 + SO3{2-} =>
S2O5{2-} = SO2 + SO3{2-}
C3H8O3 + H2SO4 + HNO3 = C5H10N2O2S + CO2 + H2O =>
3 C3H8O3 + H2SO4 + 2 HNO3 = C5H10N2O2S + 4 CO2 + 9 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C6H14C6 + O2 = CO2 + H2O =>
2 C6H14C6 + 31 O2 = 24 CO2 + 14 H2O
HCl + NaC2H3O2 = C2H3O2H + NaCl =>
HCl + NaC2H3O2 = C2H3O2H + NaCl
Y + Ni = Y2Ni7 =>
2 Y + 7 Ni = Y2Ni7
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