3) An open system allows mass flows across the system boundary carrying 4000 kJ of energy. The change in system energy of 1800 kJ was gained when the system receives 280 kJ of heat and the energy carried out by the air is 480 kJ. Calculate the amount of rejected work.

3) An open system allows mass flows across the system boundary carrying 4000 kJ of energy. The change in system energy of 1800 kJ was gained when the system receives 280 kJ of heat and the energy carried out by the air is 480 kJ. Calculate the amount of rejected work.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter17: Energy In Thermal Processes: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 27P: A thermodynamic system undergoes a process in which its internal energy decreases by 500 J. Over the...

See similar textbooks

Related questions

Q: 3. A heat engine operating between a geothermal steam source at 205°C and a riv- er at 18°C achieves…

A: Given: 1.Room temperature: T=70 [F] 2.Temperture of hot reservoir (source): Temperature of cold…

Q: Consider the human body performing a strenuous exercise, such as lifting weights or riding a…

A: The first law of thermodynamics is valid in a human body in work. The internal energy stored in…

Q: 40. (II) One mole of N, gas at 0°C is heated to 100°C at constant pressure (1.00 atm). Determine (a)…

A: Initial temperature=0 Final temperature=100

Q: 2 An ideal gas at 17°C has a pressure of 760 mm mercury, and is compressed (i) isothermally, (ii)…

A: Given: Temperature of ideal gas (T) = 17 oC. Pressure on gas (P1) = 760 mm of Hg. Density of mercury…

Q: The ice maker inside a refrigerator makes ice cubes at 0.0°C from water that is at 17.2°C when it…

A: Given data The temperature of the water is Tw=17.2°C. The temperature of the ice is Ti=0°C. The…

Q: 1 mol ideal gas at 300 K and 1 bar pressure is compressed by giving 1 kJ work as polytropic…

A: "Since you have asked multiple questions, as per instructions to us, we will solve the first…

Q: In an Isobaric process ( P = 2.0x105 Pa), increasing the temperature of 10.0 g of liquid water by…

A: P = 2.0x105 Pa temperature =15oC mass = 10 g change in volume = 1.0 x 10-8m3

Q: 9. until its volume is 0.1m'. Calculate the final pressure and temperature if the compression is a-…

Q: One mole of an ideal monatomic gas is initially at a temperature of 274 K. (a) Find the final…

A: Given Data: Initial temperature of the gas is T1 = 274 K. The heat supplied is Q = 3260 J. The work…

Q: Air with an initially at: P,= 920 kPa, T,= 800 K and V,= 0.13 m³, expands in a reversible adiabatic…

A: Given P1 = 920 kPa T1 = 800 K V1 = 0.13 m3

Q: If the gravitational potential energy of the water is equal to the increase in the internal energy…

A: Using the first law of thermodynamics, ΔU=Q-W Here, ΔU is the increase in internal energy, Q is the…

Q: An inventor claims to have devised a cyclical engine for use in space vehicles that operates with a…

A: The efficiency of the heat engine is given by,

Q: 6-A Carnot engine operates between reservoirs at 20°C and 200°C, the thermal efficiency of the cycle…

A: Part (6):Given: The temperature of the cold reservoir is 20oC. The temperature of the hot reservoir…

Q: The Sun radiates energy at the rate of 3.80 x 1040 W from its 5500°C surface into dark empty space…

A: Given: P=3.80*1026 W=3.80*1026 J/sTh=5500°C = 5500+273.15 K =5773.15 KTc=-270 °C = -270+273.15K=3.15…

Q: What is the increase of in entropy when 3.00 kg of ice at 0°C melt to form water at 0°C?

A: Given: Ice mass→mice=3 kg=3000 g Standard data: Latent heat of fusion of ice→L∆f=80 cal/g Let's…

Q: Air at 3.5 MPa and 500C is expanded in an adiabatic gas turbine to 0.2 MPa. Calculate the maximum…

Q: For objects at thermal equilibrium, Internal energy is the same between them. TRUE OR FALSE?…

Q: A sample of helium behaves as an ideal gas as it is heated at constant pressure from 273 K to 373 K.…

A: Ideal gas law is given by,

Q: 2- There is a system consisting of N independent particles. Each particle can have only one of the…

A: We have N independent particles existing in two energy levels Eo and -Eo. Let number of particles in…

Q: 4. (Ch. 19- Problem 57 in Wolfson) Find the entropy change when a 2.4-kg aluminum pan at 155°C is…

A: We have an Aluminum pan of mass m1=2.4 kg at a temperature T1=155oC=428 K which is put into water of…

Q: Consider two identical rooms, one with a refrigerator in it and the other without refrigerator. If…

Q: A cold canned drink is left in a warmer room where it's temperature rises as a result of heat…

A: Required : Is the heat transfer of a cold canned drink a reversible process.

Q: If Q is 200 kcal is absorbed by a system and W is 59 kcal is done on the surroundings, determine the…

A: The change in internal energy of the system is, ∆U=Q-W Here, Q is the energy absorbed by the system…

Q: The ice maker inside a refrigerator makes ice cubes at 0.0°C from water that is at 14.2°C when it…

A: Given, Temperature of refrigerator,T2=0°C Temperature of water,T1=14.2 °C Power of machine,P=184 W…

Q: Consider two actual power plants operating with solar energy. Energy is supplied to one plant from a…

A: The efficiency of a power plant is maximum when the heat is supplied to the possible highest…

Q: 36. Go Under constant-volume conditions, 3500 J of heat is added to 1.6 moles of an ideal gas. As a…

Q: A steam engine operates between a high and low temperature of 550°C and 180°C. If the steam engine…

A: T high=th=550°C= 823 K T low = tl =180°C= 453 40 % of maximum efficiency Work at rate of = W =…

Q: A large fraction of the thermal energy generated in the engine of a car is rejected to the air by…

A: Close System: A type of system in which there is no exchange of matter with surrounding takes…

Q: An inventor claims to have built an engine that produces2.00 MW of usable work while taking in 3.00…

Q: She ice maker inside a refrigerator makes ice cubes at 0.0°C from water that is at 14.7°C when it…

A: Power = 244 WCoefficient of performance = 3.56 P = 244 * 3.56 P = 868.64 Wt = 24 hours t = 24 * 60 *…

Q: A well-insulated electric oven is being heated through its heating element. If the entire oven,…

Q: A 95.0-kg block of ice at 0.00°C breaks off from a glacier, slides along the frictionless ice to the…

Q: Heat always flows spontaneously from an object with a higher temperature to an object with a lower…

A: From the thermodynamics second law, it is clear that heat is propagated from the object which is…

Q: A real process may be nearly adiabatic if it occurs over a very short time. How does the short time…

Q: During a throttling process, the temperature of a fluid drops from 30 to 220°C. Can this process…

A: Given: During a throttling process, the temperature of fluid drops from 30 to 220°C. Can this…

Q: 7B. A 98.2 g copper rod is cooled from 80°C to 25°C by tossing it into a very large swimming pool at…

A: Given information: The mass of copper (m) = 98.2 g = 0.0982 kg initial temperature of the copper…

Q: Problem II: Consider a car radiator at 113.5°C in a 41.5°C environment and the exchange of heat…

A: The net rate of heat transferQΔt.given,emmisivity(e)=0.750surface area(A)=1.4 m2Initial…

Q: Is it impossible to convert the heat from a single source into work without any other effect? How?

A: According to the Kelvin statement in the second law of thermodynamics , it is not possible to…

Q: Determine the COP of a refrigerator that removes heat from the food compartment at a rate of 5040…

Q: 47. Due to a tune-up, the effi ciency of an automobile engine increases by5.0%. For an input heat of…

A: The increase in efficiency of engine is 5%. The expression for the increase in efficiency of engine…

Question

3) An open system allows mass flows across the system boundary carrying 4000 kJ of
energy. The change in system energy of 1800 kJ was gained when the system receives
280 kJ of heat and the energy carried out by the air is 480 kJ. Calculate the amount of
rejected work.

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 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, physics and related others by exploring similar questions and additional content below.

Similar questions

Can improved engineering and materials be employed in heat engines to reduce heat transfer into the environment? Can they eliminate heat transfer into the environment entirely?
A thermodynamic system undergoes a process in which its internal energy decreases by 500 J. Over the same time interval, 220 J of work is done on the system. Find the energy transferred from it by heat.
Give an example of a spontaneous process in which a system becomes less ordered and energy becomes less available to do work. What happens to the system's entropy in this process?
Whyother than the fact that the second law of thermodynamics says reversible engines are the most ef?cientShould heat engines employing reversible processes be more ef?cient than those employing irreversible processes? Consider that dissipative mechanisms are one cause of irreversibility.
How much heat transfer occurs from a system, if its internal energy decreased by 150 J while it was doing 30.0 J of work?
If the refrigerator door is left what happens to the temperature of the kitchen?
There is no change in the internal of an ideal gas undergoing an isothermal process since the internal energy depends only on the temperature. Is it therefore correct to say that an isothermal process is the same as an adiabatic process for an ideal gas? Explain your answer. `
A gascooled nuclear reactor operates between hot and cold reservoir temperatures of 700C and 27.0C. (a) What is the maximum eficiency of a heat engine operating between these temperatures? (b) Find the ratio of this eficiency to the Carnot eficiency of a standard nuclear reactor (found in Example 15.4).
A certain gasoline engine has an efficiency of 30.0%. What would the hot reservoir temperature be for a Carnot engine having that eficiency, if it operates with a cold reservoir temperature of 200°C?
Calculate the increase in entropy of the Universe when you add 20.0 g of 5.00C cream to 200 g of 60.0C coffee. Assume that the specific heats of cream and coffee are both 4.20J/g C.
In a very mild winter climate, a heat pump has heat transfer from an environment at 5.00C to one at 35.0C. What is the best possible coefficient of performance for these temperatures? Explicitly show how you follow the steps in the Problem-Solving Strategies for Thermodynamics.
This problem compares the energy output and heat transfer to the environment by two different types of nuclear power stationsone with the normal efficiency of 34.0%, and another with an improved efficiency of 40.0%. Suppose both have the same heat transfer into the engine in one day. 2.501014J. (a) How much more electrical energy is produced by the more efficient power station? (b) How much less heat transfer occurs to the environment by the more efficient power station? (One type of more ef?cient nuclear power station, the gas—cooled reactor, has not been reliable enough to be economically feasible in spite of its greater eficiency.)