Answer Happy

Consider the reaction A+28 C whose rate at 25°C was measured using three different sets of initial concentrations as listed in the following table Rate Trial [A] B (M) (M) (M/s) 1 0.30 0.030 3.2x10- 0.30 0.060 6,5x10 0.60 0.030 1.3x10- 2 3 Part A What is the rate law for this reaction? Express the rate law symbolically in terms of k. (A), and (B). ▸ View Available Hint(s) ΑΣΦ 4 rate Submit Part B Complete previous part(s) Provide Feedback Review Constan

You may want to reference (Pages 598-605) Section 14.5 while completing this problem. ▾ Part A A first-order reaction has a half-ife of 23.2 s. How long does it take for the concentration of the reactant in the reaction to fall to one-fourth of its initial value? Express the time to three significant figures and include the appropriate units. 0 t- Value Units Submit Provide Feedback Request Answer Review Constants Periode

MISSED THIS? Watch KCV.14.6; Read Section 14.6. You can click on the Review link to access the section in your eText The rate constant of a reaction at 30°C was measured to be 5.3x10-2¹ Part A If the frequency factor is 1.2 x 10" , what is the activation barrior? Express your answer using two significant figures. VAX ? E- kJ/mol Submit Provide Feedback Request Answer Review Constants I

The reaction AB has been experimentally determined to be second order. The initial rate is 0.0100 M/s at an initial concentration of A of 0.100 M. Part A What is the initial rate at (A) 0.300 M? 0.0100 M/ 0.090 M/s 0.0000 M/s 0.00333 M/ Submit Request Answer Provide Feedback Review C