Question

What is the rate of reaction in terms of the appearance of product C between time = 0 s and time = 20 s?

The rate of the reaction in terms of the "appearance of product" includes the change in the concentration of the product, the time interval, and the coefficient of the product.
Consider the following reaction:

2A+3B→3C+2D

The concentrations of product C at three different time intervals are given. Use the following data to determine the rate of reaction in terms of the appearance of product C between time = 0 s and time = 20 s .

Time (s) 0 20 40
C 0.000 0.0240 0.0480

Answer 1

Consider,

`2A+3B to 3C+2D`

Moreover, consider the following data,

Now: let's understand the average rate of appearance of `"C"`. Hence,

`(Delta[C])/(3Deltat) = (0.024M - 0M)/(3*(20s - 0s)) approx (4.0*10^-4M)/s`

is the rate of appearance of the product, C, in the preceding reaction.