During a polytropic process, 10 lbm of an ideal gas, whos R=40 ft.lbm/lbf.R and Cp=0.25 BTU/lbm.R, changes state from 20 psia and 40°F to 120 psia and 340°F. Determine a)"n" b) change in internal energy c) change in enthalpy d) change in entropy e) heat f) work non flow g) work steady flow

During a polytropic process, 10 lbm of an ideal gas, whos R=40 ft.lbm/lbf.R and Cp=0.25 BTU/lbm.R, changes state from 20 psia and 40°F to 120 psia and 340°F. Determine a)"n" b) change in internal energy c) change in enthalpy d) change in entropy e) heat f) work non flow g) work steady flow

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 21RQ

See similar textbooks

Related questions

Q: BOX YOUR FINAL ANSWER, ROUND UP TO 4 DECIMAL PLACES. Draw and label the P-V and T-S diagrams. 3.…

A: Draw the P-V and T-s diagrams of the compression process of nitrogen gas.

Q: 1- Arrange the following energies according to its quality and then the type(renewable or not):…

A: Quality of the energy is measured on the basis of its conversion into mechanical or electrical…

Q: A tank containing 0.6 m. deep of water is transported by an elevator. What is the pressure at the…

A: Given data, H= 0.6 m Acceleration downward a= 2 m/s² Density of water ρ = 1000 kg/m³

Q: The pressure in automobile tire depends on the temperature of the air in the tire. When the air…

Q: 1. Given steam condition: 70 C, saturated liquid, find: A.S B. v C. h D. U E. quality F. moisture 2.…

A: (1) Given: Steam condition is saturated liquid at 70 C. Calculation: Consider the steam tables at 70…

Q: Given data : Mass of object=3 kg Velocity of object=D1.3 m/s Determine kinetic energy

A: Given data : Velocity of object V=1.3 m/s Mass of object m=3 kg To find : Kinetic energy

Q: What size unit is kg/s? A) Volume by mass B) Angular acceleration C) Volume flow rate D)…

Q: 4. A skater with a mass of 60 kg coasting with a speed of 5 m/s approaches a ramp. (a) What is his…

A: Dear student, I am allowed to answer only three sub-parts in a single post so…

Q: Differentiate work and heat

A: 1). Defination:- Work:- It is the energy which is transferred by means of force Heat:- kind of…

Q: The weight of a 1-lbm mass is (a) 1 lbm-ft/s2 (b) 9.81 lbf (c) 9.81 N (d) 32.2 Ibf (e) 1 lbf

A: Solution:- Explanation:-It is not proper to say that 1-lbm equals 1-lbf ,but it is proper to say…

Q: The weight of a l0-kg mass at sea level is (a) 9.81 N (b) 32.2 kgf (c) 98.1 N (d) 10 N (e) l00 N

Q: Table Q2 show the working pressure inside an engine which moves the piston at different positions…

Q: A body (150 kg) moves with a 40 m/sec, the kinetic energy equals to 120 2 points kJ*

A: This statement is (TRUE)

Q: Given data m-20 kg g-10 m/s2 h-2 m Find Potential energy

A: Given data : Mass=m Acceleration due to gravity=g height=h Required : Potential energy

Q: Consider a fish swimming 5 m below the free surface of water. The increase in the pressure exerted…

Q: Power is a Scalar Quantity

A: Yes, Power is scalar quantity. It is true.

Q: The objects in the shape move by sticking to each other after colliding in a frictionless plane.…

A: Given, m1=5 kg, v1=2 m/sm2=3 kg, v2=-2 m/s

Q: A body weighs 1000 lbf when exposed to a standard earth gravity g = 32.174 ft/s 2 . ( a ) What is…

A: Given, Weight of body on earth (WE) = 1000 lbf Acceleration due to gravity of earth (gE ) = 32.174…

Q: How many percent of discount does the customers actually get? Kim sold a watch for P3,500.00 at a…

Q: In thermodynamics, the work done by the system is considered . and the work done on the system is…

Q: cylindrical drum (2 ft. diameter, 3 ft. height) is filled with a fluid whose density is 40 lb/ft^3 .…

Q: car batteries are rated in ampere-hours . to what physical quantity do ampere-hours coresspond…

A: Since the car batteries are rated in ampere-hours, it corresponds to the total charge of the…

Q: Q2/ A company is manufacturing mechanical parts. In the first year, this company manufactured 200 kg…

A: Productivity is ratio of the output quantity to the input quantity. It also measure efficiency.

Q: During a process, a system receives energy by heat transfer of 35 J, loses energy by heat transfer…

A: Given data :- Heat transfer = 35 J ( received ) Heat transfer = 5 J ( loses ) Work done by the…

Q: Human fat has a density of 0.918 g/cm^3. How much volume (in cm^3) is gained by a person who gains…

A: Write the expression for density of a material.

Q: A cylindrical drum (2 –ft diameter, 4 ft height) is filled with a fluid whose density is 40lbm/ft3.…

Q: A school is paying $0.09/kWh for electric power. To reduce its power bill, the school installs a…

A: Write the expression for the power generated by the wind turbine.

Q: a) Determine the density (p), specific gravity (SG), and mass (m) of the air in a room as shown in…

Q: The population of certain city is 100,000 and the water consumption is estimated as 710 L/d. cap.…

A: Calculated average water flow the city .

Q: Q1 A five kilograms of steam contained within a piston-cylinder assembly undergoes an expansion from…

A: Write the first law of thermodynamics for the given problem.

Q: Q2/ hydraulic cylinder has a piston cross-sectional area of 15 cm2 and a fluid pressure of 2 MPa. If…

A: Write the formula for the fluid pressure in terms of the force acting due to the pressure and the…

Q: 1.3 One liter of gasoline contains 34.2 MJ of energy. If humans could drink gasoline to satisfy our…

A: Answer is given below.

Q: A closed system of constant volume experiences a temperature rise of 25°C when a certain paddle work…

A: Given data: ∆T=25°CQ=30 kJCv=1.2 kJ/kg.K=1.2 kJ/kg.°Cm=2.5 kg Need to determine the change in…

Q: Positive work is defined by work done the system

A: Positive work is defined by work done...................the system

Q: 1. Is it Worth IT? I am considering purchasing a cover for my swimming pool. I have estimated that…

Q: 2.2 An open vat in a food processing plant contains 600 L of water at 20°C and atmospheric pressure.…

Q: Given: Water, T = 103.6°F, u = 961.5 Btu/lbm Find: quality, x (%)

Q: 1. In the process of taking a gas from state a to state c, along the curved path, 80 J of heat leave…

Q: 1- In a bike, the __________ is converted into power. A. kinetic energy B. heat energy C. work…

A: As bike rotates kintect energy generates and converts to power to move it.

Q: In the process of taking a gas from state 'a' to state c along the curved path shown in the image.…

A: Note:As per our guidelines we are supposed to answer only one question. Kindly repost other…

Q: If the mass of an object is 10 lbm, what is its weight, in lbf, at a location where g = 32.0 ft/s2 ?

A: Given Mass m = 10 lb m G = 32 ft/s Required : - weight in lbf

Q: 2.0 lb of water inside a piston-cy inder assembly undergoes the following two processes in series…

A: At a particular temperature and pressure, saturated steam is formed when the liquid and gaseous…

Q: If you rent a car, you can (1) return it with a full gas tank, (2) return it without filling it and…

A: a. When you drive for 150 miles. Number of gallons of gasoline = 150/25 = 6 gallons Cost of 6…

Q: Quiz F ball initially A 150 tb on the top of a ladder is dropped and hits the ground with reference…

Q: A certain college graduate, Sallie Evans, has $24,000 in student-loan debt at the end of her college…

A: To determine the months required by the Sallie, using the relation as: Amout+interest in T…

Q: energy A EK is the same as AUt for part (a). What is u. in m s1?. a. Experiences a temperature…

A: Given: The mass of water, m = 1 kg The temperature of water, T = 25oC The change in temperature = 1…

Q: 1- Conservation of mass 2-Gravitational Energy. 3-Internal Energy....

A: Given Conservation of mass Gravitational energy Internal energy To find Definition

Q: c. Before going to school and attend his physics class, an engineering student fills the 60-L steel…

A: Given ThatV=70LT1=70°F=15.56°CT2=110°F=43.33°C

Question

Determine a)"n" b) change in internal energy c) change in enthalpy d) change in entropy e) heat f) work non flow g) work steady flow

During a polytropic process, 10 lbm of an ideal gas, whos R=40 ft.lbm/lbf.R and Cp=0.25 BTU/lbm.R,
changes state from 20 psia and 40°F to 120 psia and 340°F. Determine a)"n" b) change in internal energy
c) change in enthalpy d) change in entropy e) heat f) work non flow g) work steady flow

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

3. Steam enter a turbine with an enthalpy of 1292 Btu/lb anf leaves with an enthalpy of 1098 Btu/lb. The transferred heat is 13 BTU/lb. What is the work in BTU/min an in h for a flow of 2 lb/sec? 3 decimal in final answer pls
7 g = 10 m/s^2
(d) The rate of heat generated, Btu/min
A retail flower shop in Metro Manila, called Floreau, sel ls arranged flowers. The shop can make beautiful arrangem ents that consists of 12 flowers for a cost of P1,800. Thi e cost of materials of each bouquet is P2,500. and other cost is P650. The shop has a fixed cost of P6900 includin g the rents and miscellaneous. If a bouquet costs P69,00 0, how many pieces of flowers must be sold to break even?
If you rent a car, you can (1) return it with a full gas tank, (2) return it without filling it and pay $5.75/gallon, or (3) accept a fixed price of $60 for gas. The local price is $3.50/gallon for gasoline, and you expect this car to get 25 miles per gallon. The car has a 16-gallon tank. What choice should you make if you expect to drive: (a) 150 miles? (b) 300 miles? (c) 450 miles? (d) How do your answers change if stopping at the filling station takes 20 minutes and your time is worth $15/hr?
A body weighs 1000 lbf when exposed to a standard earth gravity g = 32.174 ft/s2. (a) What is its mass in kg? (b) What will the weight of this body be in N if it is exposed to the moon’s standard acceleration gmoon = 1.62 m/s2? (c) How fast will the body accelerate if a net force of 400 lbf is applied to it on the moon or on the earth? (3 DECIMAL PLACES IN FINAL ANSWER PLS)
A form of energy that flows from hot to a colder region Select one: a. heat b. heat capacity c. temperature d. Specific heat
Consider a fish swimming 5 m below the free surface of water. The increase in the pressure exerted on the fish when it dives to a depth of 25 m below the free surface is (a) 196 Pa (b) 5400 Pa (c) 30,000 Pa (d) 196,000 Pa (e) 294,000 Pa
A body weighs 1000 lbf when exposed to a standard earth gravity g = 32.174 ft/s 2 . ( a ) What is its mass in kg? ( b ) What will the weight of this body be in N if it is exposed to the moon’s standard acceleration g moon =1.62 m/s 2 ? (c) How fast will the body accelerate if a net force of 400 lbf is applied to it on the moon or on the earth?
a = 5 m b = 3 m c = 1 m m= 120 kgg= 9.80665 m/s^2
The farmer wanted to know the number of hills per hectare in his rice production, if row is 15 cm apart and the hills is 15 cm apart.
29 - Water is drawn from the bottom of a large tank filled with water open to the atmosphere. If the outlet velocity is 7.2 m/s, what could be the height of the water in the tank? a) 2.64m B) 4.38m NS) 3.65 m D) 5.46 m TO) 2.20m 30 - What would be the weight of an object with a mass of 100 kg in a place where the gravitational acceleration is 8 m/s²? a) 42.2 kgf B) 98.1 N NS) 800 N D) 9810 N TO) 196.2 N