![subject](/tpl/images/cats/himiya.png)
Chemistry, 11.10.2019 04:00 myleefaustin
The alkalinity level of water specimens collected from the han river in seoul, korea, has a mean of 50 milligrams per liter and a standard deviation of 3.2 milligrams per liter. (environmental science & engineering, sept. 1, 2000.) assume the distribution of alkalinity levels is approximately normal and find the probability that a water specimen collected from the river has an alkalinity level
(a) exceeding 45 milligrams per liter.
(b) below 55 milligrams per liter.
(c) between 51 and 52 milligrams per liter.
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:30
For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with ph. if the solubility does change, pick the ph at which you'd expect the highest solubility. you'll find ksp data in the aleks data tab. compounds does solubility change with ph
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 13:30
An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 16:30
Asample of freon gas has a volume of 2.23 liters, a pressure of 4.85 kpa, and a temperature of -1.36°c. calculate the volume at a pressure of 1.38 kpa and a temperature of 5.5°c. (show work)
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:30
How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it
Answers: 3
You know the right answer?
The alkalinity level of water specimens collected from the han river in seoul, korea, has a mean of...
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 30.12.2020 21:00
![question](/tpl/images/cats/geografiya.png)
Geography, 30.12.2020 21:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 30.12.2020 21:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.12.2020 21:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.12.2020 21:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 30.12.2020 21:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 30.12.2020 21:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.12.2020 21:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.12.2020 21:00
![question](/tpl/images/cats/fizika.png)
Physics, 30.12.2020 21:00
![question](/tpl/images/cats/pravo.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 30.12.2020 21:00