According to the NIH, an adult older than 19 years of age should have a recommended daily allowance of 900 µg of copper. How many doses of the supplement should a person take? Assume that they do not receive any copper (0 µg) from their diet, and that a dose is 0.5 mL.       for Cu2+ (M) i got 0.03879M.

Explain/define and give examples for each chemistry terms: Digestion Gathering  Particle growth Gravimetric analysis Peptization Precipitation Precipitant

Which of the following safety equipment should be utilized to protect a personnel from directly inhaling toxic vapors while observing chemical reactions? fume hood O HEPA filter O air circulator surgical mask

1. Assume that Calcium Iodide and Sodium Oxalate the starting substances (reactants) in the reaction: a. Write a balanced chemical equation describing the formation of kidney stones, using the information in the case study.

eic plants Question 21 A protist that has chloroplasts, and the ability to consume small living bacteria, and the ability break down old dead plant material could play which ecological role in food webs? Group of answer choices Decomposer only Consumer only Producer only Producer, consumer, and decomposer Question 22 An animal that hunts and eats other animals could be at which trophic level in a food web? Group of answer choices Decomposer Primary consumer Producer Secondary consumer Question 23 Considering the relationships between organisms in a food web, how would the populations of consumer organisms likely change in the near future if the number of producers decreased? Group of answer choices Consumer populations would decrease Consumer populations would stay the same Consumer populations would increase rapidly, then decrease slowly Consumer populations would increase Environmental toxins that accumulate in living cells may reach much higher levels in consumers than in producers…

A patient is given an IV drip at a rate of 110 mL per hour for a total of 6.2 hours. The IV has a calcium ion concentration of 5.94 mEq/L. How many grams of calcium ion were delivered to the patient through the IV?

A fluoridated water supply contains 3 mg/L of F-. What is the maximum amount of Ca 2+, expressed in grams per liter, that can exist in this water supply?