Équations équilibrées la veille |
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
H2SeO2 + In(OH)3 = In2(SeO2)3 + H2O =>
3 H2SeO2 + 2 In(OH)3 = In2(SeO2)3 + 6 H2O
Mg(s) + H2SO4(aq) = MgSO4(aq) + H2(g) =>
Mg(s) + H2SO4(aq) = MgSO4(aq) + H2(g)
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Al2(SO4)3 + KCl = Al2Cl + K(SO4)3 =>
Al2(SO4)3 + KCl = Al2Cl + K(SO4)3
SO3 + LiOH = SOH + LiO3 =>
SO3 + LiOH = SOH + LiO3
Al2 + H3PO4 = Al3(PO4)2 + H2 =>
3 Al2 + 4 H3PO4 = 2 Al3(PO4)2 + 6 H2
HCl + Ba(OH)2 = H2O + BaCl2 =>
2 HCl + Ba(OH)2 = 2 H2O + BaCl2
FeCl3 + KI = FeCl2 + I2 + KCl =>
2 FeCl3 + 2 KI = 2 FeCl2 + I2 + 2 KCl
Be + N2 = Be3N2 =>
3 Be + N2 = Be3N2
K4Fe(CN)6 + K2Cr2O7 + HCl = KCl + FeCl3 + CrCl2 + CO2 + NO + H2O =>
8 K4Fe(CN)6 + 43 K2Cr2O7 + 314 HCl = 118 KCl + 8 FeCl3 + 86 CrCl2 + 48 CO2 + 48 NO + 157 H2O
ZnCl2 + MgO = ZnO + MgCl2 =>
ZnCl2 + MgO = ZnO + MgCl2
Li3PO4 + CrBr3 = LiBr + CrPO4 =>
Li3PO4 + CrBr3 = 3 LiBr + CrPO4
Fe(NO3)2 + NaOH = Fe(OH)2 + NaNO3 =>
Fe(NO3)2 + 2 NaOH = Fe(OH)2 + 2 NaNO3
MnSO4*H2O + H2C2O4 + H2O = MnC2O4*3H2O + S2 + O =>
2 MnSO4*H2O + 2 H2C2O4 + 2 H2O = 2 MnC2O4*3H2O + S2 + 6 O
Zn(OH)2 + H3PO4 = Zn3(PO4)02 + H2O =>
3 Zn(OH)2 + 2 H3PO4 = Zn3(PO4)02 + 6 H2O
HNO3 + KNO2 = HNO2 + KNO3 =>
HNO3 + KNO2 = HNO2 + KNO3
CuSO4 + K2S = K2(SO4)2 + Cu2S =>
2 CuSO4 + K2S = K2(SO4)2 + Cu2S
CH3Br + C2H5Br + Na = C3H8 + NaBr =>
CH3Br + C2H5Br + 2 Na = C3H8 + 2 NaBr
Ca(Co3)2 = Ca + Co2 =>
Ca(Co3)2 = Ca + 3 Co2
Na2SO3 + HNO3 = H2O + SO2 + NaNO3 =>
Na2SO3 + 2 HNO3 = H2O + SO2 + 2 NaNO3
Cu2S = S2 + Cu2 =>
2 Cu2S = S2 + 2 Cu2
C17H33Br2COOH = C17H33COOH + Br2 =>
C17H33Br2COOH = C17H33COOH + Br2
Cr(OH)3 + Ca(ClO4)2 = Cr(ClO4)3 + Ca(OH)2 =>
2 Cr(OH)3 + 3 Ca(ClO4)2 = 2 Cr(ClO4)3 + 3 Ca(OH)2
C + S = C3S2 =>
3 C + 2 S = C3S2
Li2SO4(aq) + SrCl2(aq) = Li2Cl2(aq) + SrSO4(aq) =>
Li2SO4(aq) + SrCl2(aq) = Li2Cl2(aq) + SrSO4(aq)
C6H8 + KMnO4 + H2O = KOH + MnO2 + C6H8(OH)4 =>
3 C6H8 + 4 KMnO4 + 8 H2O = 4 KOH + 4 MnO2 + 3 C6H8(OH)4
FC6H4NO2 + C4H5N = C10H7N2O2 + FH2 =>
FC6H4NO2 + C4H5N = C10H7N2O2 + FH2
Cr(OH)3 + Ca(ClO4)2 = Cr(ClO4)3 + Ca(OH)2 =>
2 Cr(OH)3 + 3 Ca(ClO4)2 = 2 Cr(ClO4)3 + 3 Ca(OH)2
Na2SO3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + NaSO4 + H2O =>
3 Na2SO3 + 2 K2Cr2O7 + 11 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 6 NaSO4 + 11 H2O
NaY + Pb(NO3)2 = PbY2 + NaNO3 =>
2 NaY + Pb(NO3)2 = PbY2 + 2 NaNO3
CuCl2 + Na2SO3 + H2O = CuCl + Na2SO4 + HCl =>
2 CuCl2 + Na2SO3 + H2O = 2 CuCl + Na2SO4 + 2 HCl
CH3SH + O2 = CO2 + SO2 + H2O = SO2 =>
CH3SH + 3 O2 = CO2 + SO2 + 2 H2O
Na2CO3 + BaS = Na2S + BaCO3 =>
Na2CO3 + BaS = Na2S + BaCO3
TiCl + Mg = Ti + MgCl =>
TiCl + Mg = Ti + MgCl
Cr2O7{2-} + As2S3 + H{+} = Cr{3+} + SO4{2-} + H3AsO4 + H2O =>
14 Cr2O7{2-} + 3 As2S3 + 94 H{+} = 28 Cr{3+} + 9 SO4{2-} + 6 H3AsO4 + 38 H2O
Ba(NO3)2(aq) + (NH4)2C2O4(aq) = Ba(C2O4) + NH4(NO3) =>
Ba(NO3)2(aq) + (NH4)2C2O4(aq) = Ba(C2O4) + 2 NH4(NO3)
Pb(s) + HNO3(a) = PbNO3(s) + H2(s) =>
2 Pb(s) + 2 HNO3(a) = 2 PbNO3(s) + H2(s)
XCr2O7 + SO2 + H2SO4 = Cr2(SO4)3 + XSO4 + H2O =>
XCr2O7 + 3 SO2 + H2SO4 = Cr2(SO4)3 + XSO4 + H2O
Na2SO4(aq) + Mg(NO3)2(aq) = NaNO3(aq) + MgSO4(s) =>
Na2SO4(aq) + Mg(NO3)2(aq) = 2 NaNO3(aq) + MgSO4(s)
NH4NO3 + NaOH = NH3 + H2O + NaNO3 =>
NH4NO3 + NaOH = NH3 + H2O + NaNO3
MnO2(s) + HBr(aq) = MnBr2(aq) + Br2(l) + H2O(l) =>
MnO2(s) + 4 HBr(aq) = MnBr2(aq) + Br2(l) + 2 H2O(l)
CrI2(aq) + K2CO3(aq) = CrCO3(s) + KI(aq) =>
CrI2(aq) + K2CO3(aq) = CrCO3(s) + 2 KI(aq)
Zn(s) + Mg(NO3)(aq) = Zn(NO3)(aq) + Mg(s) =>
Zn(s) + Mg(NO3)(aq) = Zn(NO3)(aq) + Mg(s)
Al203 = Al = O2 =>
Al203 = 203 Al
K2Cr2O7(l) + H2SO4(l) + H2O2 = K2SO4(l) + CrO5(l) + H2O(l) =>
K2Cr2O7(l) + H2SO4(l) + 4 H2O2 = K2SO4(l) + 2 CrO5(l) + 5 H2O(l)
Na2CO3 + H3PO4 = CO2 + Na3PO4 + H2O =>
3 Na2CO3 + 2 H3PO4 = 3 CO2 + 2 Na3PO4 + 3 H2O
CH3COONa(aq) + H2SO4(aq) = CH3COOH + Na2SO4 =>
2 CH3COONa(aq) + H2SO4(aq) = 2 CH3COOH + Na2SO4
C16H34 + CuO = Cu2O + CO2 + H2O =>
C16H34 + 98 CuO = 49 Cu2O + 16 CO2 + 17 H2O
K2MnO4 + HCl = KCl + MnCl2 + Cl2 + H2O =>
K2MnO4 + 8 HCl = 2 KCl + MnCl2 + 2 Cl2 + 4 H2O
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