| Équations équilibrées la veille |
CaCO3 + 2 HC = CaC2 + CO2 + H2O
CH3COOH + KOH = CH4 + O + K =>
CH3COOH + 4 KOH = 2 CH4 + 6 O + 4 K
Ca(OH)2 + (H)3PO4 = H2O + Ca3(PO4)2 =>
3 Ca(OH)2 + 2(H)3PO4 = 6 H2O + Ca3(PO4)2
NH4NO3 + O2 = H2O + NO =>
2 NH4NO3 + O2 = 4 H2O + 4 NO
AgS + CuCl2 = AgCl + S + CuCl =>
AgS + CuCl2 = AgCl + S + CuCl
(NH4)3PO4 + MnCl2 = Mn3(PO4)2 + NH4Cl =>
2(NH4)3PO4 + 3 MnCl2 = Mn3(PO4)2 + 6 NH4Cl
BaCl2 + FePo4 = Ba3(Po4)2 + FeCl3 =>
3 BaCl2 + 2 FePo4 = Ba3(Po4)2 + 2 FeCl3
H3AsO4 + (NH4)2MoO4 + HNO3 = (NH4)3[As(Mo3O10)4] + (NH4)NO3 + H2O =>
H3AsO4 + 12(NH4)2MoO4 + 21 HNO3 = (NH4)3[As(Mo3O10)4] + 21(NH4)NO3 + 12 H2O
Na2O + SiO2 = Na2O(SiO2)3 =>
Na2O + 3 SiO2 = Na2O(SiO2)3
K4(Co(C2O4)3) + H2O2 = K3(Co(C2O4)3) + KOH =>
2 K4(Co(C2O4)3) + H2O2 = 2 K3(Co(C2O4)3) + 2 KOH
NaI + Pb(No3)2 = NaNo3 + PbI2 =>
2 NaI + Pb(No3)2 = 2 NaNo3 + PbI2
NO3{-} + FeSO4 + H2SO4 = Fe2(SO4)3 + NO + SO4{-2} + H2O =>
2 NO3{-} + 6 FeSO4 + 4 H2SO4 = 3 Fe2(SO4)3 + 2 NO + SO4{-2} + 4 H2O
CO2 + OH = CH4 + O =>
CO2 + 4 OH = CH4 + 6 O
H3BO3 = B + H2 + O2 =>
2 H3BO3 = 2 B + 3 H2 + 3 O2
CuSO4 = CuS + O4 =>
CuSO4 = CuS + O4
S2O8 + Cr = SO3 + Cr2O7 =>
7 S2O8 + 4 Cr = 14 SO3 + 2 Cr2O7
FeCl2 + K2Cr2O7 + HCl = KCl + CrCl3 + H2O + FeCl3 =>
6 FeCl2 + K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 6 FeCl3
HSO4 + H2O = H3O + SO42 =>
HSO4 + 115 H2O = 77 H3O + SO42
PCl3 + HF = PF3 + HCl =>
PCl3 + 3 HF = PF3 + 3 HCl
Pb2O3 + CO = PbO + C2O4 =>
2 Pb2O3 + 2 CO = 4 PbO + C2O4
BaCl2 + Cu2SO4 = CuCl + BaSO4 =>
BaCl2 + Cu2SO4 = 2 CuCl + BaSO4
CH3OH + H2O = H2CO3 + H =>
CH3OH + 2 H2O = H2CO3 + 6 H
Cr2O3 + KBrO3 + H2O = K2Cr3O7 + H2CrO7 + Br2 =>
17 Cr2O3 + 18 KBrO3 + 7 H2O = 9 K2Cr3O7 + 7 H2CrO7 + 9 Br2
Na(s) + H2O = H + NaOH =>
Na(s) + H2O = H + NaOH
CrO2 + C = Cr2O3 + CO2 =>
4 CrO2 + C = 2 Cr2O3 + CO2
BeO + H2O = Be(H2O)O =>
BeO + H2O = Be(H2O)O
C6H5NO2 + HCl = C6H6NO2{+} + Cl{-} =>
C6H5NO2 + HCl = C6H6NO2{+} + Cl{-}
Fe2O3 + Al3 = AlO + Fe2 =>
Fe2O3 + Al3 = 3 AlO + Fe2
C2H5OH + Na = C2H3ONa + H =>
C2H5OH + Na = C2H3ONa + 3 H
NaOH + NCl3 = HOCl + N2 + NaCl =>
3 NaOH + 2 NCl3 = 3 HOCl + N2 + 3 NaCl
Fe(II) + HCl = Fe(II)Cl + H =>
Fe(II) + HCl = Fe(II)Cl + H
NH3(NI3) = NH4I + N2 + I2 =>
8 NH3(NI3) = 6 NH4I + 5 N2 + 9 I2
C8H6Cl2O3 + C8H18O = C16H22Cl2O3 + H2O =>
C8H6Cl2O3 + C8H18O = C16H22Cl2O3 + H2O
K(OH) + Cu(SO4)2 = Cu(OH)2 + KSO4 =>
2 K(OH) + Cu(SO4)2 = Cu(OH)2 + 2 KSO4
K3CuI4 + Na2S2O7 = SO2 + I2 + CuSO4 + Na2SO4 + K2SO4 =>
2 K3CuI4 + 10 Na2S2O7 = 5 SO2 + 4 I2 + 2 CuSO4 + 10 Na2SO4 + 3 K2SO4
C2 + Cl = CCl4 =>
C2 + 8 Cl = 2 CCl4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Zn + Pb(CH2COO)2 = Pb + Zn(CH2COO)2 =>
Zn + Pb(CH2COO)2 = Pb + Zn(CH2COO)2
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
Mg + B = MgB2 =>
Mg + 2 B = MgB2
HCl + O = HClO4 =>
HCl + 4 O = HClO4
C6H10 + Br2 = C6Br2 + H2 =>
C6H10 + Br2 = C6Br2 + 5 H2
KOH + Na3(PO4)2 = K(PO4)2 + OH(Na3) =>
KOH + Na3(PO4)2 = K(PO4)2 + OH(Na3)
HNo3 + Fe(OH)2 = H2O + Fe(No3)2 =>
2 HNo3 + Fe(OH)2 = 2 H2O + Fe(No3)2
Pt + HNO3 + HCl = H2PtCl6 + NO2 + H2O =>
Pt + 4 HNO3 + 6 HCl = H2PtCl6 + 4 NO2 + 4 H2O
KBr + Ag2CO3 = AgBr + K2CO3 =>
2 KBr + Ag2CO3 = 2 AgBr + K2CO3
XeO3 = Xe + O3 =>
XeO3 = Xe + O3
AB + X2 = AX2 + B2 =>
2 AB + 2 X2 = 2 AX2 + B2
Na2O2 + KI + H2SO4 = Na2SO4 + H2O + I2 + K2SO4 =>
Na2O2 + 2 KI + 2 H2SO4 = Na2SO4 + 2 H2O + I2 + K2SO4
Al + I2 = Al23I2 =>
23 Al + I2 = Al23I2
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