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Assignment
You make a perishable, volatile chemical for which you charge $2.25 per liter. You have 75 regular customers for the chemical, each of whom has an independent 90% chance of placing an order on any given day. You also get an average of 30 orders per day from other, non-regular customers; assume the number of non-regular customers per day has a Poisson distribution. Every order is for one 20-liter container. You produce the chemical by a process that produces 600 liters of the chemical at a cost of $1300. Each day, you can run the process any whole number of times. Because it is so unstable, any chemical left unsold at the end of the day must be recycled, at a cost of $0.35 per liter. What is the best number of times to run the process? Consider four possible policies of running the process 1, 2, 3 or 4 times.
Access the "USGS Hazards" website under the Natural Hazards terms section of the Science Corner. You can also access the website at http://www.usgs.gov/natural_hazards/. Choose one (1) of the following geologic hazards: earthquake, landslide, or f..
Benzene (C6H6) is a trace component of gasoline. What is the mole ratio of benzene to n-octane in the vapor above a solution of 35.0% benzene and 65.0% n-octane by mass at 25 degrees C
A water sample is found to contain 23ppm iodine(I). If you drank 1399mL of this water, how many moles of Iodine(I) would you ingest
A man fills a balloon with .5 liters of air. He then puts the ballon into the oven and heats it to 204 degrees celcius. the temperature outside the oven was 20 degrees celcius. what is the new volume of the balloon and what law is used to solve th..
A 13.1 L sample of 0.502 moles of 02 is held under conditions of 1.00 atm and 25.0 Celsius. if all of the 02 is then converted to ozone (03) what will be the volume of ozone
Assume you had a balloon made of some highly flexible semiperiable membrane. The balloon is filled entirely with a 0.2 M solution of some solute as well as is submerged in a 0.1 M solution of the same solute. Initially the volume of the solution i..
Sometimes the structure of phosphoric acid is written with single bonds to both the OH groups and to the oxygen atom; other times the bond between the P and the O is shown as a double bond. The "truth" probably lies somewhere between. Explain
Draw a structural formula of an alkene or alkenes (if more than one) that undergo acid-catalyzed hydration and without rearrangement give 2-methyl-2-butanol as the MAJOR product
buffer contains 0.50 mol NH4+ and 0.50 mol NH3 diluted with water to 1.0 L. How many moles of NaOH are required to increase the pH of the buffer to 10.00? pKa of NH4+ = 9.25.
A mixture of 0.162 moles of C is reacted with 0.117 moles of O2 in a seated, 10.0 L vessel at 500 K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO
An atomic absorption method for the determination of the amount of iron present in used jet engine oil was found, from pooling 30triplicate analyses, to have a standard deviation s=2.4 µgFe/mL. Calculate the 80% and 95% confidence limits for the r..
Copper dissolved in nitric acid, producing copper (II) nitrate. After reaction with sodium hydroxide an heating, copper nitrate changed to copper(II) oxide. Calculate the percent yield of this process if 1.025g of copper produced 1.025 g of copper..
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