Question

A student was attempting a kinetic study of a particular reaction of compound XyZ, and determined the following initial rates information at 298K. Based on the information given, write the rate law: trial [XyZ] (M) initial rate (M/sec) 1 0.25 $3.0 \times 10^{-3}$ 2 0.5 $6.0 \times 10^{-3}$ 3 0.6 $7.2 \times 10^{-3}$ Suppose the student had set up the reaction to monitor the concentration of XyZ with respect to time. What quantities would have yielded a straight line in this case? What would the value of the slope be? Explain. What is the half-life of the reaction above, if you start with a concentration of 1.0M XyZ? What about if you start with a concentration of 0.5M? Explain.

          A student was attempting a kinetic study of a particular reaction of compound XyZ, and determined the
following initial rates information at 298K. Based on the information given, write the rate law:
trial
[XyZ] (M)
initial rate (M/sec)
1
0.25
$3.0 \times 10^{-3}$
2
0.5
$6.0 \times 10^{-3}$
3
0.6
$7.2 \times 10^{-3}$
Suppose the student had set up the reaction to monitor the concentration of XyZ with respect to time. What
quantities would have yielded a straight line in this case? What would the value of the slope be? Explain.
What is the half-life of the reaction above, if you start with a concentration of 1.0M XyZ? What about if you
start with a concentration of 0.5M? Explain.

A student was attempting a kinetic study of a particular reaction of compound XyZ, and determined the
following initial rates information at 298K. Based on the information given, write the rate law:
trial
[XyZ] (M)
initial rate (M/sec)
1
0.25
3.0 × 10^-3
2
0.5
6.0 × 10^-3
3
0.6
7.2 × 10^-3
Suppose the student had set up the reaction to monitor the concentration of XyZ with respect to time. What
quantities would have yielded a straight line in this case? What would the value of the slope be? Explain.
What is the half-life of the reaction above, if you start with a concentration of 1.0M XyZ? What about if you
start with a concentration of 0.5M? Explain.

Added by Ruben T.

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