Calculus: Early Transcendentals (2nd Edition)
2nd Edition
ISBN: 9780321947345
Author: William L. Briggs, Lyle Cochran, Bernard Gillett
Publisher: PEARSON
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Chapter D1.5, Problem 4E
To determine
To explain: The work of a stirred tank reaction.
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A five-gallon bucket is full of pure water. Suppose we begin by dumping salt into the bucket at a rate of 0.25 pound per minute. Also, we open
the spigot so that 0.5 gallon per minute leaves the bucket. (Assume that pure water is added to keep the bucket full.) If the salt water solution is
always well mixed, what is the amount of salt in the bucket in the long-run? Show your work and explain thoroughly.
A tank initially contains 100 L of fresh water. Solution 1 is a brine solution containing 3 kg of salt per L and is allowed to enter the tank at a rate of 2 L/min. Solution 2 is a brine solution containing 2 kg of salt per L and is allowed to enter the tank at a rate of 1 L/min. The well-stirred mixture flows out of the tank at the rate of 4 L/min. Determine the amount of salt (in kg) in the tank after one hour. Round your answer into two (2) decimal places.
A.
88.94 kg
B.
48.94 kg
C.
48.49 kg
D.
99.84 kg
A tank initially contains 100 L of fresh water. Solution 1 is a brine solution containing 3 kg of salt per L and is allowed to enter the tank at a rate of 2 L/min. Solution 2 is a brine solution containing 2 kg of salt per L and is allowed to enter the tank at a rate of 1 L/min. The well-stirred mixture flows out of the tank at the rate of 4 L/min. Determine the amount of salt (in kg) in the tank after one hour.
choices:
99.84 kg
88.94 kg
48.94 kg
48.49 kg
Chapter D1 Solutions
Calculus: Early Transcendentals (2nd Edition)
Ch. D1.1 - Prob. 1ECh. D1.1 - Prob. 2ECh. D1.1 - Prob. 3ECh. D1.1 - If the general solution of a differential equation...Ch. D1.1 - Does the function y(t) = 2t satisfy the...Ch. D1.1 - Does the function y(t) = 6e3t satisfy the initial...Ch. D1.1 - Verifying general solutions Verify that the given...Ch. D1.1 - Verifying general solutions Verify that the given...Ch. D1.1 - Verifying general solutions Verify that the given...Ch. D1.1 - Verifying general solutions Verify that the given...
Ch. D1.1 - Verifying solutions of initial value problems...Ch. D1.1 - Verifying solutions of initial value problems...Ch. D1.1 - Verifying solutions of initial value problems...Ch. D1.1 - Verifying solutions of initial value problems...Ch. D1.1 - Finding general solutions Find the general...Ch. D1.1 - Finding general solutions Find the general...Ch. D1.1 - Finding general solutions Find the general...Ch. D1.1 - Finding general solutions Find the general...Ch. D1.1 - Finding general solutions Find the general...Ch. D1.1 - Finding general solutions Find the general...Ch. D1.1 - Finding general solutions Find the general...Ch. D1.1 - Prob. 22ECh. D1.1 - Solving initial value problems Solve the following...Ch. D1.1 - Solving initial value problems Solve the following...Ch. D1.1 - Solving initial value problems Solve the following...Ch. D1.1 - Solving initial value problems Solve the following...Ch. D1.1 - Solving initial value problems Solve the following...Ch. D1.1 - Solving initial value problems Solve the following...Ch. D1.1 - Motion in a gravitational field An object is fired...Ch. D1.1 - Prob. 30ECh. D1.1 - Prob. 31ECh. D1.1 - Prob. 32ECh. D1.1 - Prob. 33ECh. D1.1 - Prob. 34ECh. D1.1 - Explain why or why not Determine whether the...Ch. D1.1 - General solutions Find the general solution of the...Ch. D1.1 - General solutions Find the general solution of the...Ch. D1.1 - General solutions Find the general solution of the...Ch. D1.1 - General solutions Find the general solution of the...Ch. D1.1 - Solving initial value problems Find the solution...Ch. D1.1 - Solving initial value problems Find the solution...Ch. D1.1 - Solving initial value problems Find the solution...Ch. D1.1 - Solving initial value problems Find the solution...Ch. D1.1 - Verifying general solutions Verify that the given...Ch. D1.1 - Verifying general solutions Verify that the given...Ch. D1.1 - Verifying general solutions Verify that the given...Ch. D1.1 - Verifying general solutions Verify that the given...Ch. D1.1 - Verifying general solutions Verify that the given...Ch. D1.1 - Verifying general solutions Verify that the given...Ch. D1.1 - A second-order equation Consider the differential...Ch. D1.1 - Another second-order equation Consider the...Ch. D1.1 - Drug infusion The delivery of a drug (such as an...Ch. D1.1 - Logistic population growth Widely used models for...Ch. D1.1 - Free fall One possible model that describes the...Ch. D1.1 - Chemical rate equations The reaction of certain...Ch. D1.1 - Tumor growth The growth of cancer tumors may be...Ch. D1.2 - Explain how to sketch the direction field of the...Ch. D1.2 - Prob. 2ECh. D1.2 - Prob. 3ECh. D1.2 - Prob. 4ECh. D1.2 - Direction fields A differential equation and its...Ch. D1.2 - Prob. 6ECh. D1.2 - Identifying direction fields Which of the...Ch. D1.2 - Prob. 9ECh. D1.2 - Prob. 10ECh. D1.2 - Direction fields with technology Plot a direction...Ch. D1.2 - Sketching direction fields Use the window [2, 2] ...Ch. D1.2 - Sketching direction fields Use the window [2, 2] ...Ch. D1.2 - Sketching direction fields Use the window [2, 2] ...Ch. D1.2 - Sketching direction fields Use the window [2, 2] ...Ch. D1.2 - Sketching direction fields Use the window [2, 2] ...Ch. D1.2 - Increasing and decreasing solutions Consider the...Ch. D1.2 - Increasing and decreasing solutions Consider the...Ch. D1.2 - Increasing and decreasing solutions Consider the...Ch. D1.2 - Increasing and decreasing solutions Consider the...Ch. D1.2 - Logistic equations Consider the following logistic...Ch. D1.2 - Logistic equations Consider the following logistic...Ch. D1.2 - Logistic equations Consider the following logistic...Ch. D1.2 - Logistic equations Consider the following logistic...Ch. D1.2 - Two steps of Eulers method For the following...Ch. D1.2 - Two steps of Eulers method For the following...Ch. D1.2 - Two steps of Eulers method For the following...Ch. D1.2 - Two steps of Eulers method For the following...Ch. D1.2 - Errors in Eulers method Consider the following...Ch. D1.2 - Errors in Eulers method Consider the following...Ch. D1.2 - Prob. 31ECh. D1.2 - Prob. 32ECh. D1.2 - Prob. 33ECh. D1.2 - Prob. 34ECh. D1.2 - Prob. 35ECh. D1.2 - Prob. 36ECh. D1.2 - Prob. 37ECh. D1.2 - Equilibrium solutions A differential equation of...Ch. D1.2 - Prob. 39ECh. D1.2 - Prob. 40ECh. D1.2 - Equilibrium solutions A differential equation of...Ch. D1.2 - Equilibrium solutions A differential equation of...Ch. D1.2 - Direction field analysis Consider the first-order...Ch. D1.2 - Eulers method on more general grids Suppose the...Ch. D1.2 - Prob. 46ECh. D1.2 - Prob. 47ECh. D1.2 - Prob. 48ECh. D1.2 - Convergence of Eulers method Suppose Eulers method...Ch. D1.2 - Stability of Eulers method Consider the initial...Ch. D1.3 - What is a separable first-order differential...Ch. D1.3 - Is the equation t2y(t)=t+4y2 separable?Ch. D1.3 - Is the equation y(t)=2yt separable?Ch. D1.3 - Explain how to solve a separable differential...Ch. D1.3 - Solving separable equations Find the general...Ch. D1.3 - Solving separable equations Find the general...Ch. D1.3 - Solving separable equations Find the general...Ch. D1.3 - Solving separable equations Find the general...Ch. D1.3 - Solving separable equations Find the general...Ch. D1.3 - Solving separable equations Find the general...Ch. D1.3 - Solving separable equations Find the general...Ch. D1.3 - Solving separable equations Find the general...Ch. D1.3 - Solving separable equations Find the general...Ch. D1.3 - Solving separable equations Find the general...Ch. D1.3 - Solving separable equations Find the general...Ch. D1.3 - Solving separable equations Find the general...Ch. D1.3 - Prob. 17ECh. D1.3 - Solving initial value problems Determine whether...Ch. D1.3 - Solving initial value problems Determine whether...Ch. D1.3 - Solving initial value problems Determine whether...Ch. D1.3 - Solving initial value problems Determine whether...Ch. D1.3 - Solving initial value problems Determine whether...Ch. D1.3 - Prob. 23ECh. D1.3 - Prob. 24ECh. D1.3 - Solving initial value problems Determine whether...Ch. D1.3 - Solving initial value problems Determine whether...Ch. D1.3 - Prob. 27ECh. D1.3 - Solutions in implicit form Solve the following...Ch. D1.3 - Solutions in implicit form Solve the following...Ch. D1.3 - Solutions in implicit form Solve the following...Ch. D1.3 - Prob. 31ECh. D1.3 - Solutions in implicit form Solve the following...Ch. D1.3 - Logistic equation for a population A community of...Ch. D1.3 - Logistic equation for an epidemic When an infected...Ch. D1.3 - Explain why or why not Determine whether the...Ch. D1.3 - Prob. 36ECh. D1.3 - Prob. 37ECh. D1.3 - Prob. 38ECh. D1.3 - Solutions of separable equations Solve the...Ch. D1.3 - Prob. 40ECh. D1.3 - Implicit solutions for separable equations For the...Ch. D1.3 - Orthogonal trajectories Two curves are orthogonal...Ch. D1.3 - Prob. 43ECh. D1.3 - Applications 44.Logistic equation for spread of...Ch. D1.3 - Free fall An object in free fall may be modeled by...Ch. D1.3 - Prob. 46ECh. D1.3 - Prob. 47ECh. D1.3 - Chemical rate equations Let y(t) be the...Ch. D1.3 - Prob. 49ECh. D1.3 - Blowup in finite time Consider the initial value...Ch. D1.3 - Prob. 52ECh. D1.3 - Analysis of a separable equation Consider the...Ch. D1.4 - The general solution of a first-order linear...Ch. D1.4 - Prob. 2ECh. D1.4 - What is the general solution of the equation y'(t)...Ch. D1.4 - Prob. 4ECh. D1.4 - First-order linear equations Find the general...Ch. D1.4 - First-order linear equations Find the general...Ch. D1.4 - First-order linear equations Find the general...Ch. D1.4 - First-order linear equations Find the general...Ch. D1.4 - First-order linear equations Find the general...Ch. D1.4 - First-order linear equations Find the general...Ch. D1.4 - Initial value problems Solve the following initial...Ch. D1.4 - Initial value problems Solve the following initial...Ch. D1.4 - Initial value problems Solve the following initial...Ch. D1.4 - Initial value problems Solve the following initial...Ch. D1.4 - Initial value problems Solve the following initial...Ch. D1.4 - Initial value problems Solve the following initial...Ch. D1.4 - Stability of equilibrium points Find the...Ch. D1.4 - Stability of equilibrium points Find the...Ch. D1.4 - Stability of equilibrium points Find the...Ch. D1.4 - Stability of equilibrium points Find the...Ch. D1.4 - Stability of equilibrium points Find the...Ch. D1.4 - Stability of equilibrium points Find the...Ch. D1.4 - Loan problems The following initial value problems...Ch. D1.4 - Loan problems The following initial value problems...Ch. D1.4 - Loan problems The following initial value problems...Ch. D1.4 - Loan problems The following initial value problems...Ch. D1.4 - Newtons Law of Cooling Solve the differential...Ch. D1.4 - Newton's Law of Cooling Solve the differential...Ch. D1.4 - Newtons Law of Cooling Solve the differential...Ch. D1.4 - Prob. 30ECh. D1.4 - Explain why or why not Determine whether the...Ch. D1.4 - Prob. 32ECh. D1.4 - Special equations A special class of first-order...Ch. D1.4 - Prob. 34ECh. D1.4 - Special equations A special class of first-order...Ch. D1.4 - Prob. 36ECh. D1.4 - A bad loan Consider a loan repayment plan...Ch. D1.4 - Prob. 38ECh. D1.4 - Intravenous drug dosing The amount of drug in the...Ch. D1.4 - Optimal harvesting rate Let y(t) be the population...Ch. D1.4 - Endowment model An endowment is an investment...Ch. D1.4 - Prob. 43ECh. D1.4 - Prob. 44ECh. D1.4 - General first-order linear equations Consider the...Ch. D1.4 - Prob. 46ECh. D1.4 - Prob. 47ECh. D1.4 - General first-order linear equations Consider the...Ch. D1.5 - Explain how the growth rate function determines...Ch. D1.5 - Prob. 2ECh. D1.5 - Explain how the growth rate function can be...Ch. D1.5 - Prob. 4ECh. D1.5 - Is the differential equation that describes a...Ch. D1.5 - What are the assumptions underlying the...Ch. D1.5 - Describe the solution curves in a predator-prey...Ch. D1.5 - Prob. 8ECh. D1.5 - Solving logistic equations Write a logistic...Ch. D1.5 - Solving logistic equations Write a logistic...Ch. D1.5 - Designing logistic functions Use the method of...Ch. D1.5 - Designing logistic functions Use the method of...Ch. D1.5 - Prob. 19ECh. D1.5 - Prob. 20ECh. D1.5 - Solving the Gompertz equation Solve the Gompertz...Ch. D1.5 - Prob. 22ECh. D1.5 - Stirred tank reactions For each of the following...Ch. D1.5 - Prob. 24ECh. D1.5 - Prob. 25ECh. D1.5 - Prob. 26ECh. D1.5 - Prob. 31ECh. D1.5 - Growth rate functions a.Show that the logistic...Ch. D1.5 - Solution of the logistic equation Use separation...Ch. D1.5 - Properties of the Gompertz solution Verify that...Ch. D1.5 - Properties of stirred tank solutions a.Show that...Ch. D1.5 - Prob. 36ECh. D1.5 - RC circuit equation Suppose a battery with voltage...Ch. D1.5 - U.S. population projections According to the U.S....Ch. D1 - Explain why or why not Determine whether the...Ch. D1 - Prob. 2RECh. D1 - General solutions Use the method of your choice to...Ch. D1 - General solutions Use the method of your choice to...Ch. D1 - General solutions Use the method of your choice to...Ch. D1 - Prob. 6RECh. D1 - General solutions Use the method of your choice to...Ch. D1 - General solutions Use the method of your choice to...Ch. D1 - General solutions Use the method of your choice to...Ch. D1 - Prob. 10RECh. D1 - Solving initial value problems Use the method of...Ch. D1 - Prob. 12RECh. D1 - Solving initial value problems Use the method of...Ch. D1 - Prob. 14RECh. D1 - Solving initial value problems Use the method of...Ch. D1 - Solving initial value problems Use the method of...Ch. D1 - Prob. 17RECh. D1 - Solving initial value problems Use the method of...Ch. D1 - Direction fields Consider the direction field for...Ch. D1 - Prob. 20RECh. D1 - Eulers method Consider the initial value problem...Ch. D1 - Equilibrium solutions Find the equilibrium...Ch. D1 - Equilibrium solutions Find the equilibrium...Ch. D1 - Equilibrium solutions Find the equilibrium...Ch. D1 - Equilibrium solutions Find the equilibrium...Ch. D1 - Logistic growth The population of a rabbit...Ch. D1 - Logistic growth parameters A cell culture has a...Ch. D1 - Logistic growth in India The population of India...Ch. D1 - Stirred tank reaction A 100-L tank is filled with...Ch. D1 - Newtons Law of Cooling A cup of coffee is removed...Ch. D1 - A first-order equation Consider the equation...Ch. D1 - A second-order equation Consider the equation...
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