Chemistry, 09.03.2021 16:50 leaving2020asap
You receive an annual report of the results of your city's tap water testing. The report shows that there are small amounts (a fraction of a milligram per liter) of a water-soluble chemical called dichloroethene present. You want to determine whether this is a toxic chemical. Describe a study that could be conducted to measure its toxicity. Draw a sample dose-response graph for mortality that includes a threshold dose and LD50. Make sure you label each axis.
Answers: 2
Chemistry, 21.06.2019 15:00, asims13
Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.
Answers: 2
Chemistry, 22.06.2019 06:30, khalaflaf2684
If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution
Answers: 1
You receive an annual report of the results of your city's tap water testing. The report shows that...
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