   Chapter 6.4, Problem 40E

Chapter
Section
Textbook Problem

HOW DO YOU SEE IT? The graph shows the amount of concentrate Q (in pounds) in a solution in a tank at time t (in minute) as a solution with concentrate enters the tank, is well stirred, and is withdrawn from the tank (a) How much concentrate is in the tank at time t = 0 ? (b) Which is greater, the rate of solution into the tank or the rate of solution withdrawn from the tank? Explain.(c) At what time is there no concentrate in the tank? What does this mean?

a)

To determine

To Calculate: The amount of concentrate in the tank at time t=0.

Explanation

Given:

The graph shows the amount of concentrate Q(in pounds) in a solution in tank at time t(in minutes) as a solution with concentrate enters the tank, is well stirred, and is withdrawn from the tank.

Calculation:

b)

To determine

Which is greater, rate of solution into tank or rate of solution withdrawn from tank?

c)

To determine

To Calculate: The time taken to withdraw the amount of concentrate from the tank.

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