Chemistry, 19.02.2021 04:20 arodriguez395

In order to inexpensively determine the contamination level of a sample of water, a new test is known to yield almost exactly the same value when repeatedly used on samples from the same container of water. However, these individual values are not close to the true average contamination level for the large container. The concern with using this new, cheaper test to determine the contamination level for a single sample of water is that this measurement method is not

Answers: 3

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 15:50

Which of these reactions are redox reactions? check all that apply.cd + hcl → cdcl2 + h2cucl2 + na2s → 2nacl + cuscaco3 → cao + co2 2zns + 3o2 → 2zno + 2so2 ch4 + 2o2 → co2 + 2h2o

Answers: 3

Answer

Chemistry, 22.06.2019 09:00

What happens to isotopes that are unstable?

Answers: 1

Answer

Chemistry, 22.06.2019 10:30

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Answers: 2

Answer

Chemistry, 22.06.2019 17:30

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!

Answers: 1

Answer

You know the right answer?

In order to inexpensively determine the contamination level of a sample of water, a new test is know...

Questions