The rate of oxidation of iron(II) by cerium(IV) Fe2* (aq) + Ce4+ (aq) → Fe3+ (aq) + Ce (aq) Is measured at several concentrations of the two reactants: [Fe2+] (mol/L) [Ce*] (mol/L) R mol L-1 s1 -3 2.31 10 2.93 10-3 3.60 10-5 2.31 10-3 7.03 10 8.64 10-5 3 7.39 10 7.03 10-3 2.76 - 10-4 (a) Write the rate law for the reaction. Use the form k*[Fe^{3+}]^x*[Ce^{4+}]^y__where x and y are for you to determine. (b) Calculate the rate constant with the proper units k = Units of k = (c) Calculate the rate when [Fe2* ] = 0.0265 mol/L and [Ce**] = 0.0425 mol/L %3D r = mol/(L s)

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Chapter1: Chemical Foundations
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The rate of oxidation of iron(II) by cerium(IV)
Fe2* (aq) + Ce4+ (aq) →
+ Fe3+ (aq) + Ce3+ (aq)
Is measured at several concentrations of the two reactants:
[Fe2+ ] (mol/L)
[Ce4*] (mol/L)
R mol L-1 s-1
2.31 10-3
2.31 10
7.39 10-
3.60 · 10-5
8.64 · 10
2.93 · 10-3
- 5
7.03 10-3
7.03 10-3
2.76 - 10-4
(a) Write the rate law for the reaction. Use the form k*[Fe^{3+}]^x*[Ce^{4+}]^y _where x and y
are for you to determine.
(b) Calculate the rate constant with the proper units
k =
Units of k
%3D
(c) Calculate the rate when [Fe2+ ] =
0.0265 mol/L and [Ce**] = 0.0425 mol/L
%3D
r =
mol/(L s)
Transcribed Image Text:The rate of oxidation of iron(II) by cerium(IV) Fe2* (aq) + Ce4+ (aq) → + Fe3+ (aq) + Ce3+ (aq) Is measured at several concentrations of the two reactants: [Fe2+ ] (mol/L) [Ce4*] (mol/L) R mol L-1 s-1 2.31 10-3 2.31 10 7.39 10- 3.60 · 10-5 8.64 · 10 2.93 · 10-3 - 5 7.03 10-3 7.03 10-3 2.76 - 10-4 (a) Write the rate law for the reaction. Use the form k*[Fe^{3+}]^x*[Ce^{4+}]^y _where x and y are for you to determine. (b) Calculate the rate constant with the proper units k = Units of k %3D (c) Calculate the rate when [Fe2+ ] = 0.0265 mol/L and [Ce**] = 0.0425 mol/L %3D r = mol/(L s)
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