4) The initial rate of the reaction between substances P and Q was measured in a series of experiments and the following rate equation was deduced.
rate = k[P]?[Q]
Complete the table of data below for the reaction between P and Q

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The initial rate of the reaction between substances P and Q was measured in a series of

experiments and the following rate equation was deduced.

Complete the table of data below for the reaction between P and Q

Explanation:

Given rate of the reaction is:

Substitute the given values in this formulae to get the [P], [Q] and rate values.

From the first row,

the value of k can be calulated:

Second row:

2. Rate value:

3.Third row:

4. Fourth row:

we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).

i think it's c. i'm not sure but i think so.