Chemistry
Chemistry, 03.02.2022 21:00, sevaramirabell

A town requiring 2.0 m3/s of drinking water has two sources, a local well with 15 g/m3 nitrate (as N) and a distant reservoir with 5 g/m3 nitrate (as N). What flow rates of well and reservoir water are needed to meet the EPA drinking water standard [maximum contaminant level (MCL)] for nitrate and minimize the use of more expensive reservoir water

answer
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 07:30, candigirl8847
All cells are made of four types of acids, lipids, proteins, and carbohydrates.
Answers: 1
image
Chemistry, 22.06.2019 21:40, fatherbamboo
A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?
Answers: 3
image
Chemistry, 23.06.2019 06:20, cowboo5000pcl655
An object of mass 10.0 kg and volume 1000 ml and density 10 g/ml sinks in water who’s density is 1.0 g/ml. what is the mass of the water which has been displaced in kilograms
Answers: 1
image
Chemistry, 23.06.2019 07:00, Bassoonist
How does science use models to gain a better understanding of concepts?
Answers: 1
Do you know the correct answer?
A town requiring 2.0 m3/s of drinking water has two sources, a local well with 15 g/m3 nitrate (as N...

Questions in other subjects:

Konu
English, 02.12.2020 16:00
Konu
Mathematics, 02.12.2020 16:00
Konu
Computers and Technology, 02.12.2020 16:00