Chapter 23, Problem 83A

Interpretation Introduction

Interpretation : To determine the greater amount of dissolved oxygen during the entry and exit of the water into a power plant at different temperatures.

Concept Introduction: Temperature and dissolved oxygen are inversely proportional to each other. That is if the temperature increases the amount of dissolved oxygen decrease and vice-versa.

Answer to Problem 83A

There is a greater amount of dissolved oxygen when the water enters the power plant at ${\text{20}}^{\text{0}}\text{C}$

Explanation of Solution

Since there is an inverse relationship between the temperature and the dissolved oxygen, there will be a greater amount of oxygen when the water enters the power plant i.e., at ${\text{20}}^{\text{0}}\text{C}$ . When the temperature gradually increases to ${\text{30}}^{\text{0}}\text{C}$ the dissolved oxygen gets decreased when the water leaves the power plant.

Conclusion

Therefore, there is a greater amount of dissolved oxygen at ${\text{20}}^{\text{0}}\text{C}$ i.e., when the water enters, the power plant as compared to the water that leaves the powers plant at ${\text{30}}^{\text{0}}\text{C}$