| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ca(OH)2 + 4 HNO3 = Ca + 4 NO3 + 2 H3O
ZnCl2 + NaH = ZnH2 + NaCl =>
ZnCl2 + 2 NaH = ZnH2 + 2 NaCl
K2SO3 + Na2SO4 = Na2SO3 + K2SO4 =>
K2SO3 + Na2SO4 = Na2SO3 + K2SO4
Au + FeBr2 = Fe + AuBr3 =>
2 Au + 3 FeBr2 = 3 Fe + 2 AuBr3
Cr + Ni(SO4) = Cr(SO4) + Ni =>
Cr + Ni(SO4) = Cr(SO4) + Ni
CH4 + N3Cl4 = N2 + H2 + CCl4 =>
2 CH4 + 2 N3Cl4 = 3 N2 + 4 H2 + 2 CCl4
SeC6 + O2 = SeO2 + C2 =>
SeC6 + O2 = SeO2 + 3 C2
K2Cr2O7 + H2SO4 + Na3AsO3 = K2SO4 + Cr2(SO4)3 + Na3AsO4 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 Na3AsO3 = K2SO4 + Cr2(SO4)3 + 3 Na3AsO4 + 4 H2O
JD2 + EG = ED + JG2 =>
JD2 + 2 EG = 2 ED + JG2
Cd + CuF2 = CdF + Cu =>
2 Cd + CuF2 = 2 CdF + Cu
SO4Ca + Na2HPO4 + NaOH = SO4Na2 + Ca3(PO4)2 + H2O =>
3 SO4Ca + 2 Na2HPO4 + 2 NaOH = 3 SO4Na2 + Ca3(PO4)2 + 2 H2O
Sn + KBr = SnBr4 + K =>
Sn + 4 KBr = SnBr4 + 4 K
C3H6O3 + H2O2 = CO2 + H2O =>
C3H6O3 + 6 H2O2 = 3 CO2 + 9 H2O
BaO + SnO = BaSnO2 =>
BaO + SnO = BaSnO2
C(graf) + O2(g) = CO2(g) =>
C(graf) + O2(g) = CO2(g)
C2H4C2O2O2H2 + NaOH = C2H4C2O2O2 + Na + HOH =>
C2H4C2O2O2H2 + 2 NaOH = C2H4C2O2O2 + 2 Na + 2 HOH
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
H2SnO3 = SnO2 + H2O =>
H2SnO3 = SnO2 + H2O
Na2CO3 + Mg(NO3)2 = NaNO3 + MgCO3 =>
Na2CO3 + Mg(NO3)2 = 2 NaNO3 + MgCO3
Pt + H2SO4 = PtSO4 + H2 =>
Pt + H2SO4 = PtSO4 + H2
NH4Cl + KOH = KCl + NH3 + H2O =>
NH4Cl + KOH = KCl + NH3 + H2O
Ca(s) + H2CO3(aq) = H2(g) + CaCO3(s) =>
Ca(s) + H2CO3(aq) = H2(g) + CaCO3(s)
HCl + K2SO3 = KCl + H2O + SO2 =>
2 HCl + K2SO3 = 2 KCl + H2O + SO2
CaO(aq) + H2SO4(aq) = CaSO4 + H2O =>
CaO(aq) + H2SO4(aq) = CaSO4 + H2O
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
HNO2 + Mg(OH)2 = Mg(NO2)2 + H2O =>
2 HNO2 + Mg(OH)2 = Mg(NO2)2 + 2 H2O
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
CH3CH(Cl)CH(Cl)COH + H2 = CH3CH(Cl)CH2COH + HCl =>
CH3CH(Cl)CH(Cl)COH + H2 = CH3CH(Cl)CH2COH + HCl
NaAsO2 + H2O = Na{+} + As{3+} + OH{-} =>
NaAsO2 + 2 H2O = Na{+} + As{3+} + 4 OH{-}
Ag0 + CuSO4 = Ag2SO4 + Cu =>
2 Ag0 + CuSO4 = Ag2SO4 + Cu
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
H2C2O4 + Ca(OH)2 = CaC2O4 + H2O =>
H2C2O4 + Ca(OH)2 = CaC2O4 + 2 H2O
P + Cu2{+} + H2O = Cu + H2PO4{-} + H{+} =>
P + 5 Cu2{+} + 4 H2O = 10 Cu + H2PO4{-} + 6 H{+}
C2H5COOH + Cl2 = C2H4COOHCl + HCl =>
C2H5COOH + Cl2 = C2H4COOHCl + HCl
NaSO{4} + HCl = NaCl + H{2}O + SO{2} =>
NaSO{4} + HCl = NaCl + H{2}O + SO{2}
HClO4*4H2O + C6H5NH2 = C6H6NH2ClO4 + H2O =>
HClO4*4H2O + C6H5NH2 = C6H6NH2ClO4 + 4 H2O
Hg + Cr2O7{-2} + H{+} = Hg{+2} + Cr{+3} + H2O =>
3 Hg + Cr2O7{-2} + 14 H{+} = 3 Hg{+2} + 2 Cr{+3} + 7 H2O
H2SO + CuCl2 = CuSO + HCl =>
H2SO + CuCl2 = CuSO + 2 HCl
C2H302H + NaHCO3 = NaC2H302 + H2O + CO2 =>
C2H302H + NaHCO3 = NaC2H302 + H2O + CO2
H2C2O4 + K2Cr2O7 + H2SO4 = KHSO4 + Cr2(SO4)3 + CO2 + H2O =>
3 H2C2O4 + K2Cr2O7 + 5 H2SO4 = 2 KHSO4 + Cr2(SO4)3 + 6 CO2 + 7 H2O
CH4 + HF = CH3F + H2 =>
CH4 + HF = CH3F + H2
Mg{+2} + OH{-} = Mg(OH)2 =>
Mg{+2} + 2 OH{-} = Mg(OH)2
C3H6 + NH3 + O2 = C3H3N + H2O =>
2 C3H6 + 2 NH3 + 3 O2 = 2 C3H3N + 6 H2O
KBr + (NH4)2S2O8 = Br2 + K2SO4 + (NH4)2SO4 =>
2 KBr + (NH4)2S2O8 = Br2 + K2SO4 + (NH4)2SO4
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
CuS + HNO3 = CuSO4 + H2O + NO2 =>
CuS + 8 HNO3 = CuSO4 + 4 H2O + 8 NO2
HCl(aq) + Na2SO3(s) = H2SO3 + NaCl =>
2 HCl(aq) + Na2SO3(s) = H2SO3 + 2 NaCl
PbCrO4 + H2O = PbO + H2CrO4 =>
PbCrO4 + H2O = PbO + H2CrO4
ZnN2O6 + Na2CO3 = NaNO3 + ZnCO3 =>
ZnN2O6 + Na2CO3 = 2 NaNO3 + ZnCO3
Ca(H2PO4)2*4H2O + K2CO3*H2O = KH2PO4 + CaCO3 + H2O =>
Ca(H2PO4)2*4H2O + K2CO3*H2O = 2 KH2PO4 + CaCO3 + 5 H2O
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Équations équilibrées sur10/19/24
Équations équilibrées sur11/18/23
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