Chemistry

Chemistry, 22.01.2021 01:20, danteyoungblood7

If the concentration of mercury in a water supply changes from 65 ppm to 7 ppm in a ten-year period, what is the percentage change of the mercury concentration

answer

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 06:00, giusto1894

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

Answers: 2

Chemistry, 22.06.2019 06:30, dpchill5232

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

Answers: 2

Chemistry, 22.06.2019 09:30, lisbet123085

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Answers: 3

Chemistry, 22.06.2019 13:30, amandajbrewerdavis

Table sugar completely dissolved in water is an example of a?

Answers: 1

Do you know the correct answer?

If the concentration of mercury in a water supply changes from 65 ppm to 7 ppm in a ten-year period,...

Questions in other subjects:

Konu

Physics, 24.11.2020 21:40

Three vectors , , and , each have a magnitude of 52.0 m and lie in an xy plane. Their directions relative to the positive direction of the x axis are 29.0 ˚, 191 ˚, and 311 ˚, resp...

Konu

Mathematics, 24.11.2020 21:40

A math book contains 404 pages, a science book contains 276 pages, and a history book contains 367 pages. Rounded to the nearest hundreds place, how many pages does th...

Konu

Mathematics, 24.11.2020 21:40

Please help ASAP thanks so much ...

Konu

Mathematics, 24.11.2020 21:40

Kendra posts a photo on her social media account. In the first hour, 2 friends share the photo. In the second hour, each of those friends has 2 friends who share the photo. The pat...

Konu

Computers and Technology, 24.11.2020 21:40

This elementary problem begins to explore propagation delay and transmis- sion delay, two central concepts in data networking. Consider two hosts, A and B, connected by a single li...

Konu

English, 24.11.2020 21:40

“Read the excerpt from “ Crossing Brooklyn Ferry.” The others that are to follow me, the ties between me and them, The certainty of others, the life, love, sight, hearing of...

Konu

Mathematics, 24.11.2020 21:40

Tammy has $640 in the bank. She is saving for a trip. She has 8 weeks before she leaves. The total cost of the trip is $1,200. Which number line represents all the possibilities fo...

Konu

English, 24.11.2020 21:40

yo the dude that keep deleting my shiii bruh like hop off fr bc da like mind ur business in not hurting u. figuresk8r89 I'm talking about u....

Konu

Mathematics, 24.11.2020 21:40

For each 70 mm of coloured fabric Alex uses to make his curtains, he also uses 20 cm of white fabric. Express the amount of white fabric to coloured fabric as a ratio in its simple...

Konu

Mathematics, 24.11.2020 21:40

294.08 to nearest tenth...

Other tasks in the category: Chemistry More task