| Équations équilibrées la veille |
2 C2H5NO2 + 9 O = 4 CO2 + 5 H2O + N2
XeO2 = Xe + XeO3 =>
3 XeO2 = Xe + 2 XeO3
FePO4 + MgSO4 = Fe2(SO4)3 + Mg3(PO4)2 =>
2 FePO4 + 3 MgSO4 = Fe2(SO4)3 + Mg3(PO4)2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
A2(g) + B(g) = AB(g) =>
A2(g) + 2 B(g) = 2 AB(g)
H2S + CdNO3 = HNO3 + Cd2S =>
H2S + 2 CdNO3 = 2 HNO3 + Cd2S
SiCl4(l) + Mg = Si + MgCl2 =>
SiCl4(l) + 2 Mg = Si + 2 MgCl2
Cr3 = Cr2 =>
2 Cr3 = 3 Cr2
NaCl + H2SO4 = NaHSO4 + HCl =>
NaCl + H2SO4 = NaHSO4 + HCl
AgNO3 + NiBr2 = Ni(NO3)2 + AgBr =>
2 AgNO3 + NiBr2 = Ni(NO3)2 + 2 AgBr
OH{-} + AgO + CH2O = Ag + CHO2{-} + HOH =>
OH{-} + AgO + CH2O = Ag + CHO2{-} + HOH
K2Cr2O7 + Na3PO3 + H2SO4 = Cr2(SO4)3 + Na3PO4 + K2SO4 + H2O =>
K2Cr2O7 + 3 Na3PO3 + 4 H2SO4 = Cr2(SO4)3 + 3 Na3PO4 + K2SO4 + 4 H2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Pb(OH)2 + OH = Pb(OH)4 =>
Pb(OH)2 + 2 OH = Pb(OH)4
PbNO3{2+} + NaI = PbI{2+} + NaNO3 =>
PbNO3{2+} + NaI = PbI{2+} + NaNO3
UO2SO4*3H2O + (NH4)2HPO4 = UO2NH4PO4 + H2SO4 + NH3 + H2O =>
UO2SO4*3H2O + (NH4)2HPO4 = UO2NH4PO4 + H2SO4 + NH3 + 3 H2O
H2SO4 + Li(OH) = Li2SO4 + H2O =>
H2SO4 + 2 Li(OH) = Li2SO4 + 2 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Ca + CrO = CaO + Cr =>
Ca + CrO = CaO + Cr
Cr(NO3)3 + NaOH = Cr(OH)3 + NaNO3 =>
Cr(NO3)3 + 3 NaOH = Cr(OH)3 + 3 NaNO3
H2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + O2 =>
2 H2Cr2O7 + 6 H2SO4 = 2 Cr2(SO4)3 + 8 H2O + 3 O2
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
C + S3 = CS2 =>
3 C + 2 S3 = 3 CS2
CuO + Cl2 = Cu + Cl2O2 =>
2 CuO + Cl2 = 2 Cu + Cl2O2
Fe2(SO4)3 + K(SCN) = K2SO4 + Fe(SCN)3 =>
Fe2(SO4)3 + 6 K(SCN) = 3 K2SO4 + 2 Fe(SCN)3
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
SnCl2 + H2O2 + HCl = SnCl4 + H2O =>
SnCl2 + H2O2 + 2 HCl = SnCl4 + 2 H2O
Na2S2O5 + Cl2 = NaCl + Na2S2O7 + SO2 =>
3 Na2S2O5 + 2 Cl2 = 4 NaCl + Na2S2O7 + 4 SO2
Pt(OH)2 = PtO + H2O =>
Pt(OH)2 = PtO + H2O
H2SO4 + CO3 = H2CO3 + SO4 =>
H2SO4 + CO3 = H2CO3 + SO4
Cl2 + K2CO3 = KCl + KClO + CO2 =>
Cl2 + K2CO3 = KCl + KClO + CO2
CuSO4 + NaOH + C5H10O5 = Cu2O + Na2SO4 + C6H12O7 + H2O =>
10 CuSO4 + 20 NaOH + 6 C5H10O5 = 5 Cu2O + 10 Na2SO4 + 5 C6H12O7 + 10 H2O
Ca + FeCl2 = CaCl2 + Fe =>
Ca + FeCl2 = CaCl2 + Fe
CaCO3 + NaCl = Na2CO3 + CaCl2 =>
CaCO3 + 2 NaCl = Na2CO3 + CaCl2
CaC2 + H2O + H2SO4 = C2H2 + CaSO4*2H2O =>
CaC2 + 2 H2O + H2SO4 = C2H2 + CaSO4*2H2O
Sr + SnCl4 = SrCl2 + Sn =>
2 Sr + SnCl4 = 2 SrCl2 + Sn
Pb(NO3)2(aq) + KI(aq) = PbI2(s) + KNO3(aq) =>
Pb(NO3)2(aq) + 2 KI(aq) = PbI2(s) + 2 KNO3(aq)
H2SO4 + CuNO3 = HNO3 + Cu2SO4 =>
H2SO4 + 2 CuNO3 = 2 HNO3 + Cu2SO4
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
C8H18 + H2 + N2 + O2 = CH3NO2 =>
C8H18 + 3 H2 + 4 N2 + 8 O2 = 8 CH3NO2
BeO + Al = Be + AlO =>
BeO + Al = Be + AlO
KBr + LiF = KF + LiBr =>
KBr + LiF = KF + LiBr
Ni(NO3)2 + K3Fe(CN)6 = Ni3(Fe(CN)6)2 + KNO3 =>
3 Ni(NO3)2 + 2 K3Fe(CN)6 = Ni3(Fe(CN)6)2 + 6 KNO3
MgSO4 + HNO3 = H2SO4 + Mg(NO3)2 =>
MgSO4 + 2 HNO3 = H2SO4 + Mg(NO3)2
Fe2O3 + H2SO4 + NH3 = [Fe(NH4)(SO4)2] + H2O =>
Fe2O3 + 4 H2SO4 + 2 NH3 = 2[Fe(NH4)(SO4)2] + 3 H2O
NH4 + OH + HCl = NH4Cl + H2O =>
NH4 + OH + HCl = NH4Cl + H2O
ZnBr2 + H2O = ZnH2 + Br2O =>
ZnBr2 + H2O = ZnH2 + Br2O
HC9H7O4 + NaOH = H2O + NaC9H7O4 =>
HC9H7O4 + NaOH = H2O + NaC9H7O4
NH3OHCl + Br2 = HBr + H2O + N2 + HCl =>
2 NH3OHCl + Br2 = 2 HBr + 2 H2O + N2 + 2 HCl
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