Équations équilibrées la veille |
4 P + 3 KOH + 3 H2O = 3 KH2PO2 + PH3
MgO2 = O2 + Mg =>
MgO2 = O2 + Mg
MnO2 + NaCl + H2SO4 = Na2SO4 + MnSO4 + H2O + Cl2 =>
MnO2 + 2 NaCl + 2 H2SO4 = Na2SO4 + MnSO4 + 2 H2O + Cl2
KOH + H2SO4 = KHOSO4 + H2 =>
KOH + H2SO4 = KHOSO4 + H2
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
C2H2F + O2 = CO + H2O + HF =>
4 C2H2F + 5 O2 = 8 CO + 2 H2O + 4 HF
Ca(OH)Cl = Ca(OH)2CaCl2 =>
2 Ca(OH)Cl = Ca(OH)2CaCl2
NaI + Cu(NO3)2 = CuI2 + NaNO3 =>
2 NaI + Cu(NO3)2 = CuI2 + 2 NaNO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Mg + CuO = MgCu2 + O2 =>
Mg + 2 CuO = MgCu2 + O2
K2CO3 + MgBr2 = KBr + CO3Mg =>
K2CO3 + MgBr2 = 2 KBr + CO3Mg
As2S3 + HNO3 + H2O = H3AsO3 + NO + S =>
As2S3 + 2 HNO3 + 2 H2O = 2 H3AsO3 + 2 NO + 3 S
O2 + Sn(OH)4 = SnO + (OH)4 =>
O2 + 2 Sn(OH)4 = 2 SnO + 2(OH)4
Ca + H3Po = Ca(Po) + H =>
Ca + H3Po = Ca(Po) + 3 H
OH + SO3 = SO4(aq) + H2O =>
2 OH + SO3 = SO4(aq) + H2O
C2H5OH + K2Cr2O7 + H2SO4 = CH3CHO + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + K2Cr2O7 + 4 H2SO4 = 3 CH3CHO + Cr2(SO4)3 + K2SO4 + 7 H2O
H2O + ZnSO4 + NaOH = Zn(OH)2 + NaHSO4 =>
H2O + ZnSO4 + NaOH = Zn(OH)2 + NaHSO4
HCl + Ni(OH)3 = NiCl3 + H2O =>
3 HCl + Ni(OH)3 = NiCl3 + 3 H2O
HClNH4H2PO4 = H3PO4NH4Cl =>
HClNH4H2PO4 = H3PO4NH4Cl
NaBr + RbCl = NaCl + RbBr =>
NaBr + RbCl = NaCl + RbBr
Ag2S + HNO3 = AgNO3 + NO + S + H2O =>
3 Ag2S + 8 HNO3 = 6 AgNO3 + 2 NO + 3 S + 4 H2O
Au + KNO3 = AuNO3 + K =>
Au + KNO3 = AuNO3 + K
HClO2 + Ca(OH)2 = Ca(ClO2)2 + H2O =>
2 HClO2 + Ca(OH)2 = Ca(ClO2)2 + 2 H2O
C2H5ONa + C4H9Br = C6H14O + NaBr =>
C2H5ONa + C4H9Br = C6H14O + NaBr
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CuSO4 + NaOH + HCl = NaCl + Cu(OH)2 + H2SO4 =>
CuSO4 + 2 NaOH + 2 HCl = 2 NaCl + Cu(OH)2 + H2SO4
HClO4 = ClO4H =>
HClO4 = ClO4H
No + H2O = HNo3 + O2 =>
12 No + 2 H2O = 4 HNo3 + O2
MnO4{-} + S2O3{2-} + OH = MnO2 + SO4{2-} + H2O =>
2 MnO4{-} + S2O3{2-} + 2 OH = 2 MnO2 + 2 SO4{2-} + H2O
K2CO3 + AgNO3 = KNO3 + Ag2(CO3) =>
K2CO3 + 2 AgNO3 = 2 KNO3 + Ag2(CO3)
Fe2 + AgC2H3O2 = Fe(C2H3O2) + Ag =>
Fe2 + 2 AgC2H3O2 = 2 Fe(C2H3O2) + 2 Ag
C2H6O + K2Cr2O7 + HCl = C2H4O + KCl + CrCl3 + H2O =>
3 C2H6O + K2Cr2O7 + 8 HCl = 3 C2H4O + 2 KCl + 2 CrCl3 + 7 H2O
Ga + CuBr2 = GaBr3 + Cu =>
2 Ga + 3 CuBr2 = 2 GaBr3 + 3 Cu
BaCl2 + Na2CO4 = NaCl + BaCO4 =>
BaCl2 + Na2CO4 = 2 NaCl + BaCO4
NaOH + AuSO4 = Au(OH)2 + Na2SO4 =>
2 NaOH + AuSO4 = Au(OH)2 + Na2SO4
NaHCO3 + HCH2COOH = NaCOOH + CO2 + H2O =>
4 NaHCO3 + HCH2COOH = 4 NaCOOH + 2 CO2 + 2 H2O
KOH + KHC8H4O4 = KKC8H4O4 + H2O =>
KOH + KHC8H4O4 = KKC8H4O4 + H2O
Na2(SO4) + Mg(NO3)2 = Na(NO3) + Mg2(SO4)2 =>
2 Na2(SO4) + 2 Mg(NO3)2 = 4 Na(NO3) + Mg2(SO4)2
K2Se + KMnO4 + H2SO4 = Se + K2SO4 + H2MnO4 =>
K2Se + 2 KMnO4 + 2 H2SO4 = Se + 2 K2SO4 + 2 H2MnO4
Ni2O3 + Fe = Ni + FeO =>
Ni2O3 + 3 Fe = 2 Ni + 3 FeO
K2CO3 + CH3OH = KHCO3 + CH3KO =>
K2CO3 + CH3OH = KHCO3 + CH3KO
Fe(OH)2 + H2O2 = Fe(OH)3 =>
2 Fe(OH)2 + H2O2 = 2 Fe(OH)3
Mg + Cu2O3 = MgO + Cu =>
3 Mg + Cu2O3 = 3 MgO + 2 Cu
IO3{-} + NaHSO3 = I2 + Na{+} + SO4{2-} + H{+} + H2O =>
2 IO3{-} + 5 NaHSO3 = I2 + 5 Na{+} + 5 SO4{2-} + 3 H{+} + H2O
Na2CO3 + Mg(NO3)2 = MgCO3 + NaNO3 =>
Na2CO3 + Mg(NO3)2 = MgCO3 + 2 NaNO3
CH3COOH + MgCO3 = (CH3COO)2Mg + H2O + CO3 =>
11 CH3COOH + 6 MgCO3 = 6(CH3COO)2Mg + 4 H2O + 4 CO3
Zn(NO3)2KOH = Zn(OH)K(NO3)2 =>
Zn(NO3)2KOH = Zn(OH)K(NO3)2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
HCl + C4H6BaO = C4H6Cl + BaOH =>
HCl + C4H6BaO = C4H6Cl + BaOH
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
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