Concept explainers
Stirred tank reactions For each of the following stirred tank reactions, carry out the following analysis.
- a. Write an initial value problem for the mass of the substance.
- b. Solve the initial value problem.
25. A 2000-L tank is initially filled with a sugar solution with a concentration of 40 g/L. A sugar solution with a concentration of 10 g/L flows into the tank at a rate of 10 L/min. The thoroughly mixed solution is drained from the tank at a rate of 10 L/min.
Want to see the full answer?
Check out a sample textbook solutionChapter 9 Solutions
CALCULUS:EARLY TRANSCENDENTALS-PACKAGE
Additional Math Textbook Solutions
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
Calculus for Business, Economics, Life Sciences, and Social Sciences (14th Edition)
Elementary Statistics: Picturing the World (7th Edition)
A First Course in Probability (10th Edition)
Calculus: Early Transcendentals (2nd Edition)
Basic Business Statistics, Student Value Edition
- While the rate at which ethanol can be produced is important, the total quantity of ethanol that can be produced from a given crop is also important. Use the information listed below to calculate the theoretical yield of ethanol from a 1 hectare plot of corn and a 1 hectare plot of sugarcane in the U.S. (1 hectare = 2 football fields). Show your calculations. Corn Yield: 138 bushels of seed per hectare 1 bushel seed = 2.8 gallons ethanol Sugarcane Yield: 89 tons sugarcane per hectare 1 ton sugarcane = 19.5 gallons ethanolarrow_forward1. A tank initially holds 100 gallons of brine solution containing 20 lbs. of salt. At t = 0, fresh water is poured into the tank at the rate of 5 gal/min., while the well- stirred mixture leaves the tank at the same rate. Find the amount of salt in the tank at any time t. 2. A tank 100 gallon capacity is initially full of water. Pure water is allowed to run into the tank at a rate of 1 gallon per minute, and at the same time containing one-fourth pound of salt per gallon flows into the tank also at a rate of 1 gallon per minute. The mixture flows out at a rate of 2 gallons per minute (it is assumed that there is perfect mixing). Find the amount of salt in the tank after t minutes. 3. The rate of growth of an investment is proportional to the amount of the investment at any time t. The initial investment is $1000 and after 10 years the balance is $3320.12. What is the particular solution? 4. The limiting capacity of the habitat of wildlife herd is 750. The growth rate dN/dt of the herd…arrow_forwardYou are asked to make 300mL of a solution of concentrate X, which when diluted with water 1 in 10, produces a 1 in 1000 solution. You have a 500mL bottle of a 20 % w/v concentrate.arrow_forward
- Determine the total differential, dz. f(x, y) = xyebzy. Factor each part completely. dz = %3Darrow_forwardAnswer the following as detailed as possible. 2. The tank shown below contains 80 Ibs of salt dissolved in 500 gal of water. The inflow per minute is 20 Ib of salt dissolved in 20 gal of water. The outflow is 20 gal/min of the uniform mixture. Find the time when the salt content y(t) in the tank reaches 95% of its limiting value (as t → o ).arrow_forwardSimplify: y = 4 Ina-5 In w- In z+2 ln y O y = In- O y = In y = In %3D y = ln O y = In Oy= In yarrow_forward
- The length l and width w of the closed box shown in h are increasing at a rate of 2 ft/min while its height h is decreasing at a rate of 3 ft/min. Find the rate at which the volume of the box is increasing when l = 6, w = h = 2 feet. 1. rate = 4 cu ft/min 2. volume is decreasing, not increasing 3. rate = 7 cu ft/min 4. rate = 5 cu ft/min 5. rate = 6 cu ft/minarrow_forwardH9.arrow_forward1. JK = 17 and JN =10 %3D %3D JM = K JL% = MN = N. MK = %3Darrow_forward
- Please no written by hand solutionsarrow_forwardPlease help me answer the first three questions. Thank you!arrow_forwardA student is concerned with the amount of air pollution students are exposed to in the school's parking lot after school. The student conducts an investigation to compare the quantity of particulate matter released from the diesel-powered buses, natural gas-powered buses, and the large and small cars as they idle waiting to pick up students. To make measurements, a small piece of white fabric is used to collect particulate matter from the tailpipe of each vehicle as it idles for five minutes. Each piece of fabric is then analyzed to measure the amount of particulate matter it collected. (i) Identify the independent variable in the investigation. (j) Identify one variable that was not mentioned in the description that could affect the results of the investigation. (k) Describe a realistic alternate sampling method to collect particulate matter from the vehicles in the investigation. (1) The student wants to ensure that the results are reliable. Explain how the student could modify the…arrow_forward
- Calculus: Early TranscendentalsCalculusISBN:9781285741550Author:James StewartPublisher:Cengage LearningThomas' Calculus (14th Edition)CalculusISBN:9780134438986Author:Joel R. Hass, Christopher E. Heil, Maurice D. WeirPublisher:PEARSONCalculus: Early Transcendentals (3rd Edition)CalculusISBN:9780134763644Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric SchulzPublisher:PEARSON
- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning