An action will release carbon tetrachloride to the atmosphere resulting in an air concentration at the source of 10° g/m3. Assume an adult inhales this contaminated air from 5pm to 9am on weekdays and 24 hours/day on weekends for their entire life, that it takes 5 minutes for the source to reach his window. Determine if the lifetime risk of developing a fatal form of cancer is acceptable.

An action will release carbon tetrachloride to the atmosphere resulting in an air concentration at the source of 10° g/m3. Assume an adult inhales this contaminated air from 5pm to 9am on weekdays and 24 hours/day on weekends for their entire life, that it takes 5 minutes for the source to reach his window. Determine if the lifetime risk of developing a fatal form of cancer is acceptable.

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter3: Statistical Tests With Excel

Section: Chapter Questions

Problem 1P

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In a river with a constant flow rate, the factory releases wastewater containing NaCl at a concentration of 200 mmol / L to the river at 20.0 L / s. The Na+ and Cl- concentrations at the downstream observation point were 1.00 mmol / L and 0.800 mmol / L, respectively. What is the river flow Q and Cl- concentration before the inflow of drainage? The river originally contains 0.500 mmol / L of Na+.
93.6g to ng and 93.6g to tons with the set up in the image possible show how to get the answer please
The concentration of mercury in a polluted lakeis 4.5 ppb (part per billion), and the density of water is 1.0 g/mL. (a) Calculatethe concentration of mercury: (i)in g/L (microgram per liter), and (ii) in mol/L.(b)If the lake has surface area of 1.3km2and an average depth of 16m, how many kilograms of mercury are present in the lake?
If a bag of fertilizer were labeled as containing 35% K2O, a. What is the analysis when expressed as %K? b. Assume the bag is labeled as 150% P, calculate the percentage P2O5 in the bag.
pneumonia is characterized by fever (a body temperature) does the patient have a body temperturr that indicates that he has pneumonia? justify your answer with suitable caculations.
The last calculation we need to do is find the %acetic acid (a.k.a the "acidity"). We can average all of the acetic acid masses from the completely reacted samples in the previous step. For now, let's assume we ended up with a final average mass of 2.37 g acetic acid consumed. If the initial volume of acetic acid used was 50.0 mL, what's the %m/v of acetic acid?
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Stock iron(II) solution (200Ug mL-1 Fe) ferrous ammonium sulfate hexahydrate mass= 0.1437g, transfer it to a 100 ml beaker. add 15 ml approx of water and 15m1 'approx of dilute sulphuric acid (2M H2SO.). then transfer FeII to 100 ml flask makeup to the mark with water. calculate the moles of ferrous ammonium sulfate hexahydrate solution in unit ug/mL.
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