ELEM.PRIN.OF CHEM.PROCESS-ACCESS
4th Edition
ISBN: 9781119099918
Author: FELDER
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Question
Chapter 7, Problem 7.3P
Interpretation Introduction
(a)
Interpretation:
The number of flights of stairs in a typical office building to be climed by a person to burn off the calories is to be calculated.
Concept introduction:
The energy content of food is described in term of Calories. The consumption of more food calories results in the development of various health issues. Hence, the burning of extra calories is necessary for the prevention of various diseases.
The height
Interpretation Introduction
(b)
Interpretation:
The reason behind the fact that the person would need to climb more or fewer stairs than that of calculated in part (a) is to be calculated.
Concept introduction:
The energy content of food is described in term of Calories. The consumption of more food calories results in the development of various health issues. Hence, the burning of extra calories is necessary for the prevention of various diseases.
The height
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
#2 The isothermal gas-phase degradation reaction is given below. Pure ethane enters a flow
reactor at 6 atm and 1100 K, with the pressure drop can be negligible. This reaction follows an
elementary rate law.
C2H6 → C2H4 + H2
a) Express the concentration of each species solely as a function of conversion.
b) Write the reaction rate (the unit is mol/L-s) solely as a function of conversion (*rate
constant k will be used in this mathematical expression). What is the unit of k.
c) If this reaction is carried out in a constant volume batch reactor now, how to express the
concentration of each species solely as a function of conversion?
#1 For the following liquid phase reaction, ethylene oxide reacts with water to form ethylene
glycol in a CSTR. The entering concentrations of ethylene oxide and water are 16.13 mol/L and
55.5 mol/L, respectively. The reaction rate constant k = 0.1 L/mol·s at 300 K. This reaction
follows an elementary rate law. Taking ethylene oxide as the limiting species (i.e., basis of the
calculation).
ན
CH₂-OH
|
H2SO4
CH2-CH₂+H₂O
CH₂-OH
a) Express the concentration of each species solely as a function of conversion.
b) Write the reaction rate solely as a function of conversion at 300 K.
#4 The gas phase reaction, as given below is carried out isothermally in a PFR with no pressure
drop. The feed is equal molar in A and B, and the entering concentration of A is 0.1 mol/L.
2A + B → C
a) What is the entering concentration of B?
b) What are the concentrations of A, B, and C at 25% conversion of A?
c) If at a particular conversion, the rate of formation of C is 2 mol/L-min, what is the rate of
consumption of A at the same conversion?
Chapter 7 Solutions
ELEM.PRIN.OF CHEM.PROCESS-ACCESS
Ch. 7 - A certain gasoline engine has an efficiency of...Ch. 7 - Prob. 7.2PCh. 7 - Prob. 7.3PCh. 7 - Prob. 7.4PCh. 7 - Liquid ethanol is pumped from a large storage tank...Ch. 7 - Air at 300°C and 130 kPa flows through a...Ch. 7 - Prob. 7.7PCh. 7 - Prob. 7.8PCh. 7 - Prob. 7.9PCh. 7 - Prob. 7.10P
Ch. 7 - Prob. 7.11PCh. 7 - Prob. 7.12PCh. 7 - A piston?tted cylinder with a 6-cm inner diameter...Ch. 7 - Prob. 7.14PCh. 7 - Prob. 7.15PCh. 7 - Prob. 7.16PCh. 7 - Prob. 7.17PCh. 7 - Prob. 7.18PCh. 7 - Prob. 7.19PCh. 7 - Prob. 7.20PCh. 7 - Air is heated from 25°C to 140°C prior to entering...Ch. 7 - Prob. 7.22PCh. 7 - Prob. 7.23PCh. 7 - Prob. 7.24PCh. 7 - Prob. 7.25PCh. 7 - The conversion of the kinetic energy of wind to...Ch. 7 - Prob. 7.27PCh. 7 - Prob. 7.28PCh. 7 - Liquid water is fed to a boiler at 24°C and 10 bar...Ch. 7 - Prob. 7.30PCh. 7 - Prob. 7.31PCh. 7 - Saturated steam at a gauge pressure of 2.0 bar is...Ch. 7 - Prob. 7.33PCh. 7 - Prob. 7.34PCh. 7 - Prob. 7.35PCh. 7 - Prob. 7.36PCh. 7 - Prob. 7.37PCh. 7 - Prob. 7.38PCh. 7 - Prob. 7.39PCh. 7 - Prob. 7.40PCh. 7 - Prob. 7.41PCh. 7 - Jets of high-speed steam are used in spray...Ch. 7 - The following diagram shows a simpli?ed version of...Ch. 7 - Three hundred L/h of a 20 mole% C3H880 nC4H10gas...Ch. 7 - Air at 38°C and 97% relative humidity is to be...Ch. 7 - A mixture containing 65.0 mole% acetone (Ac) and...Ch. 7 - Superheated steam at T1(°C) and 20.0 bar is...Ch. 7 - Prob. 7.48PCh. 7 - Prob. 7.49PCh. 7 - Eight fluid ounces (1 qt = 32 oz) of a beverage in...Ch. 7 - Prob. 7.51PCh. 7 - Prob. 7.52PCh. 7 - Prob. 7.53PCh. 7 - Prob. 7.54PCh. 7 - Prob. 7.55PCh. 7 - Prob. 7.56PCh. 7 - Prob. 7.57PCh. 7 - Prob. 7.58PCh. 7 - Prob. 7.59PCh. 7 - Prob. 7.60PCh. 7 - Prob. 7.61PCh. 7 - Prob. 7.62PCh. 7 - Arsenic contamination of aquifers is a major...Ch. 7 - Prob. 7.64PCh. 7 - Prob. 7.65P
Knowledge Booster
Similar questions
- #3 Orthonitroanaline (an important intermediate in dyes - called fast orange) is formed from the reaction of orthonitroanaline (ONCB) and aqueous ammonia. This liquid phase reaction is first order in both ONCB and ammonia with k = 0.0017 m³/kmol·min at 188 °C. The initial entering concentration of ONCB and ammonia are 1.8 kmol/m³ and 6.6 kmol/m³, respectively. ONCB is used as the basis of calculation. NO2 CI NO2 NH₂ + NHCI +2NH₂ a) Express the concentration of each species solely as a function of conversion.arrow_forward4. (15 pts)A chemical project with a fixed capital investment without land of $250,000. The operation of the chemical project starts at the end of year 1 with 8-years of project lifetime. The estimated revenue per year is $90,000, the estimated cost of manufacture without depreciation over the project lifetime is $30,000/yr, and the taxation rate is 40%. a. Please determine the yearly depreciation values using the standard MACRS method assuming surplus value of $5,000. b. Please determine the net profit for operation year 1, 5, and 8.arrow_forward2. (10 pts) You got a loan of $300,000 from a bank for your new house at a yearly interest rate of 6%, compounded monthly. How much do you pay total to the bank if the loan is 15 years? How much do you pay total to the bank if the loan is 30 years? 3. (10 pts) You got a 5-year loan of $50,000 to buy a BMW car at a yearly interest rate of 6% Please calculate your monthly payment if it is compounded monthly? Please calculate your quarterly payment if it is compounded quarterly?arrow_forward
- A buffer solution is made by mixing 0.1 M acetic acid (HA) and 0.05 M sodium acetate (A⁻). The pKa of acetic acid is 4.76. Due to an experimental error, the actual pH was not recorded, and we need to solve for the concentration of the conjugate base (A⁻) given that the desired pH should be 4.90. Use the Bisection Method to find the concentration of A.arrow_forward1. (15) John had an loan plan shown in the following discrete cash flow diagram: $4,000 $6,000 GI $2,000 5 7 1 2 3 4 $3,000 $4,000 ? Years a. Please describe this diagram in terms of borrowing and payback. b. How much does John need to pay to totally payoff the loan at the end of year 8 if the interest rate is 8%? c. If John pays the sam amount of money at year 8, how much can John borrow at year 0 without paying back in between with the same interest rate?arrow_forwardA buffer solution is made by mixing 0.1 M acetic acid (HA) and 0.05 M sodium acetate (A⁻). The pKa of acetic acid is 4.76. Due to an experimental error, the actual pH was not recorded, and we need to solve for the concentration of the conjugate base (A⁻) given that the desired pH should be 4.90. Use the Bisection Method to find the concentration of A.arrow_forward
- 1. Liquid heptane is stored in a 100,000-L storage vessel that is vented directly to air. The heptane is stored at 25°C and 1 atm pressure. The liquid is drained from the storage vessel and all that remains in the vessel is the air saturated with heptane vapor. a. Is the vapor in the storage vessel flammable? b. What is the TNT equivalent for the vapor remaining in the vessel? c. If the vapor explodes, what is the overpressure 50 m from the vessel? d. What damage can be expected at 50 m?arrow_forward2. You have decided to use a vacuum purging technique to purge oxygen from a reactor vessel to reduce the concentration to 2.0% (mol). The reactor is 18 ft diameter and 40 ft tall. The temperature is 80°F. Assume that the vacuum purge goes from atmospheric pressure to 10.0 psia. How many purge cycles are required and how many total moles of nitrogen must be used? Assume the purge is done with pure nitrogen. 3. If the purging described in problem 2 takes place using nitrogen that has 1% (mol) oxygen in it, how many vacuum purge cycles are required? How many total moles of the inert gas must be used? 4. If the purging described in problem 2 is done by way of a "sweep-through" purge instead of a vacuum purge, for how long (in minutes) must the inert gas flow through the vessel if there is a 20 psig supply of pure nitrogen available at 150 CFM (ft³/min)? How much nitrogen must be used (lbm)?arrow_forward5. Look at Figure 7-14. Determine the voltage developed between the steel nozzle and the grounded vessel, and how much energy is stored in the nozzle. Explain the potential hazards for cases A and B from the following table: Case A Case B Hose length (ft) 75 75 Hose diameter (in) 2.0 2.0 Flow rate (gpm) 30 30 Liquid conductivity (mho/cm) 2x10-8 1x10-14 Dielectric constant 2.3 25 Density (g/cm³) 0.8 0.9 6. In Problem 5, case B, what would be the most effective way to reduce the potential hazards in this situation?arrow_forward
- 2. You have decided to use a vacuum purging technique to purge oxygen from a reactor vessel to reduce the concentration to 2.0% (mol). The reactor is 18 ft diameter and 40 ft tall. The temperature is 80°F. Assume that the vacuum purge goes from atmospheric pressure to 10.0 psia. How many purge cycles are required and how many total moles of nitrogen must be used? Assume the purge is done with pure nitrogen.arrow_forwardAn 8-foot ion exchange bed needs to be backwashed with water to remove impurities. The particles have a density of 1.24 g/cm³ and an average size of 1.1 mm. Calculate: a. The minimum fluidization velocity using water at 30°C? b. The velocity required to expand the bed by 30%? Assumptions: The ion exchange bed particles are spherical (sphericity = 1.1), and the minimum fluidization porosity (ɛM) is 0.3. Notes: At 30°C, the viscosity (μ) of water is 0.797 cP, and the density (ρ) is 0.995 g/cm³.arrow_forwardfluidized bed reactor uses a solid catalyst with a particle diameter of 0.25 mm, a bulk density of 1.50 g/mL, and a sphericity of 0.90. Under packed bed conditions, the porosity is 0.35, and the bed height is 2 m. The gas enters from the bottom of the reactor at a temperature of 600°C, with a viscosity of 0.025 cP and a density of 0.22 lb/ft³. At minimum fluidization, the porosity reaches 0.45. Calculate: a. The minimum superficial velocity (VM) of the gas entering the fluidized column. b. The bed height if V = 2 VM c. The pressure drop under conditions where V =2.5 VMarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami...Chemical EngineeringISBN:9781259696527Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark SwihartPublisher:McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind...Chemical EngineeringISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY
Elements of Chemical Reaction Engineering (5th Ed...Chemical EngineeringISBN:9780133887518Author:H. Scott FoglerPublisher:Prentice Hall
Industrial Plastics: Theory and ApplicationsChemical EngineeringISBN:9781285061238Author:Lokensgard, ErikPublisher:Delmar Cengage Learning
Unit Operations of Chemical EngineeringChemical EngineeringISBN:9780072848236Author:Warren McCabe, Julian C. Smith, Peter HarriottPublisher:McGraw-Hill Companies, The
Introduction to Chemical Engineering Thermodynami...
Chemical Engineering
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind...
Chemical Engineering
ISBN:9781118431221
Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:WILEY
Elements of Chemical Reaction Engineering (5th Ed...
Chemical Engineering
ISBN:9780133887518
Author:H. Scott Fogler
Publisher:Prentice Hall
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:9781285061238
Author:Lokensgard, Erik
Publisher:Delmar Cengage Learning
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:9780072848236
Author:Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:McGraw-Hill Companies, The