A system expands by 0.75 m3 at a constant pressure of 125 kPa.Find the heat that flows into or out of the system if its internalenergy (a) increases by 65 kJ or (b) decreases by 33 kJ. In each case,give the direction of heat flow

A system expands by 0.75 m3 at a constant pressure of 125 kPa.Find the heat that flows into or out of the system if its internalenergy (a) increases by 65 kJ or (b) decreases by 33 kJ. In each case,give the direction of heat flow

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 12OQ: If a gas is compressed isothermally, which of the following statements is true? (a) Energy is...

See similar textbooks

Related questions

Q: An overhead 25 m-long, uninsulated industrial steam pipe of 100 mm diameter is routed through a…

Q: Consider a well-insulated horizontal rigid cylinder that is divided into two compartments by a…

Q: A heavy hydrocarbon oil which has a Cp = 2.30 kJ/kg.K is being cooled in a heat exchanger from 371.9…

Q: A heating sphere with diameter of 2.4 m is kept in a room with interior walls that are maintained at…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: • A closed gaseous system undergoes a reversible process in which 153 kJ of heat are rejected and…

Q: If a system has 4×102 kcal of work done to it and releases 5×102 kJ of heat into its surroundings,…

Q: 1. A brass lid of an ordinary glass was stacked at 25°C. The jar was placed in water at 80°C. Find…

A: Hello. Since your question has multiple question, we will solve the first one for you. If you want…

Q: If a system has 325 kcal of work done to it, and releases 5.00 × 102 kJ of heat into its…

A: Given: Work done, W = 325 kcal = 325 x 4.18 kJ = 1358.5 kJ As there are 4.18 J in one cal. heat…

Q: A 3-meter-high room is heated through a vertical steam pipe. If the bulk temperature of steam in the…

A: Given Data The height of the room is h = 3 m The bulk temperature of the steam is Tb = 25°C The…

Q: Most automobiles have a coolant reservoir to catch radiator fluid that may overflow when the engine…

Q: Air (ρ = 1.26 kg/m3 ) enters a compressor at a rate of 8.50 m3 /min and a pressure of 101.325 kPa,…

A: Given, ρ = 1.26 kg/m3 compressor at a rate of 8.50 m3 /min pressure 618 kPa

Q: At constant atmospheric pressure, a gas is compressed from 3.08 m3 to 3.00 m3. If its internal…

A: The First Law of Thermodynamics describes the conservation of energy. Heat supplied to the system is…

Q: Calculate the work done by the expansion of 1 m3 of an ideal gas at an initial pressure of 105 Pa if…

A: The work done in an isobaric process is given by W=P∆V

Q: A gas with a volume of 3. 58 x 10-3 m³ was placed inside a container with constant pressure of 2.58…

Q: A gas in a cylinder is held at a constant pressure of 1.75 x 105 Pa and is cooled and compressed…

A: (a) Since the pressure is remains constant, the expression for work done is, W=PV2-V1…

Q: If a gas system of one to two volumes expands under constant pressure at the same time, then 100J of…

A: Given, Heat lost to ocean, Q=-100 J Volume expansion, V to 2V

Q: A gas in a cylinder expands from a volume of 0.100 m3 to 0.320 m3. Heat flows into the gas just…

Q: A vertical cylinder with a heavy piston contains air at 310 K. The initial pressure is 3.45 x 105…

Q: A home owner has a leaky bathroom faucet. If her faucet leaks 0.5 L/min and her water is heated to…

Q: A system gains 3080 J of heat at a constant pressure of 1.28 × 105 Pa, and its internal energy…

Q: What is the change in internal energy of a system which does 4.50×105J of work while 3.00×106 J of…

A: The change in internal energy(ΔU) of a system.given,workdone(W)=4.50×105 J Heat goes…

Q: A system gains 3310 J of heat at a constant pressure of 1.38 × 105 Pa, and its internal energy…

A: Write the given values with suitable variables.

Q: How much work is done when 0.566 m3 of air initially at a pressure of 1.0335 bar and temperature of…

A: This is a problem of thermodynamics.In this closed vessel means no exchange of matter with…

Q: Two moles of helium gas at a temperature of 400 K occupy a volume of 10-3 m3. How much heat in…

Q: A test is conducted to determine the overall heat transfer coefficient in anautomotive radiator that…

A: Given data: The number of tubes in the radiator is n = 40 tubes. The internal diameter of the…

Q: During an Isobaric process (P = 1.14 x 105 Pa), the internal energy of a monoatomic gas increased by…

A: According to question---- Given data-- Pressure p = 1.14 × 105 Pa . Internal energy = 5670 J Haet…

Q: Engine valves (cp = 440 J/kg·K and r = 7840 kg/m3) are to be heated from 40°C to 800°C in 5 min in…

Q: Calculate the change in internal energy when 5g of air is heated from 0 degree C to 2 degree C , the…

A: Given: m = 5 g T = 0 C T' = 2 C c = 0.172 cal/g C

Q: When 1.0 kg of ethanol at 25°C changes from the liquid to the gas phase at atmospheric pressure. The…

A: mass of ethanol = 1000 g latent heat of vaporization, L=838 J/g

Q: A 0.90 kg block of aluminum is heated at atmospheric pressure so that its temperature increases from…

Q: A gas is enclosed in a container fitted with a piston of cross-sectional area 0.150 m2. The pressure…

A: Given data: Cross section area (A) = 0.150 m2 Pressure (P) = 7200 Pa Piston moved inward (ΔL) =…

Q: how much heat is needed to increase the internal energy of a gas in a piston by 4322 J if the gas…

Q: A total of 105 J of work is done on a gaseous refrigerant as it undergoes expansion. If the internal…

Q: Water (cp = 1.0 Btu/lbm·°F) is to be heated bysolar-heated hot air (cp = 0.24 Btu/lbm·°F) in a…

A: Given: Water (cp = 1.0 Btu/lbm·°F) solar-heated hot air (cp = 0.24 Btu/lbm·°F) tube internal…

Q: If you have 6 moles of a diatomic ideal gas (such as oxygen or nitrogen), how much heat is required…

Q: A 2-m long aluminum pipe at 27°C is heated until it is 2.0024 m long at 77°C. Calculate the…

A: Given that, The length of the Aluminium pipe, l = 2 m Initial temperature, T1 = 27°C Final…

Q: 64870 J of heat is added to a gas at a constant pressure of 1.75 x 105 Pa This causes a change in…

A: The given values are, Q=64870 JP=1.75×105 Pa∆U=2570 JVi=0.864 m3

Q: A certain mechanical device with a mechanism similar to a piston contains a certain amount of gas.…

Q: A gas is enclosed in a container fitted with a piston of cross-sectional area 0.150 m. The pressure…

A: a) The expression for find work done by the gas is W=-P∆V=-PA∆h Substitute values in the above…

Question

A system expands by 0.75 m3 at a constant pressure of 125 kPa.
Find the heat that flows into or out of the system if its internal
energy (a) increases by 65 kJ or (b) decreases by 33 kJ. In each case,
give the direction of heat 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

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

An ideal gas initially at 300 K undergoes an isobaric expansion at 2.50 kPa. If the volume increases from 1.00 m3 to 3.00 m3 and 12.5 kJ is transferred to the gas by heat, what are (a) the change in its internal energy and (b) its final temperature?
One of a dilute diatomic gas occupying a volume of 10.00 L expands against a constant pressure of 2.000 atm when it is slowly heated. If the temperature of the gas rises by 10.00 K and 400.0 J of heat are added in the process, what is its final volume?
An aluminum rod 0.500 m in length and with a cross-sectional area of 2.50 cm2 is inserted into a thermally insulated vessel containing liquid helium at 4.20 K. The rod is initially at 300 K. (a) If one-half of the rod is inserted into the helium, how many liters of helium boil off by the time the inserted half cools to 4.20 K? Assume the upper half does not yet cool. (b) If the circular surface of the upper end of the rod is maintained at 300 K, what is the approximate boil-off rate of liquid helium in liters per second after the lower half has reached 4.20 K? (Aluminum has thermal conductivity of 3 100 W/m K at 4.20 K; ignore its temperature variation. The density of liquid helium is 125 kg/m3.)
For a temperature increase of 10 at constant volume, what is the heat absorbed by (a) 3.0 mol of a dilute monatomic gas; (b) 0.50 mol of a dilute diatomic gas; and (c) 15 mol of a dilute polyatomic gas?
If a gas is compressed isothermally, which of the following statements is true? (a) Energy is transferred into the gas by heat. (b) No work is done on the gas. (c) The temperature of the gas increases, (d) The internal energy of the gas remains constant, (e) None of those statements is true.
When a gas undergoes an adiabatic expansion, which of the following statements is true? (a) The temperature of the gas does not change. (b) No work is done by the gas. (c) No energy is transferred to the gas by heat. (d) The internal energy of the gas does not change. (e) The pressure increases.
If a gas is compressed isothermally, which of the following statements is true? (a) Energy is transferred into the gas by heat. (b) No work is done on the gas. (c) The temperature of the gas increases. (d) The internal energy of the gas remains constant. (e) None of those statements is true.
When 400 J of heat are slowly added to 10 mol of an ideal monatomic gas, its temperature rises by 10 . What is the work done on the gas?
A certain ideal gas has a molar specific heat of Cv = 72R. A 2.00-mol sample of the gas always starts at pressure 1.00 105 Pa and temperature 300 K. For each of the following processes, determine (a) the final pressure, (b) the final volume, (c) the final temperature, (d) the change in internal energy of the gas, (e) the energy added to the gas by heat, and (f) the work done on the gas. (i) The gas is heated at constant pressure to 400 K. (ii) The gas is heated at constant volume to 400 K. (iii) The gas is compressed at constant temperature to 1.20 105 Pa. (iv) The gas is compressed adiabatically to 1.20 105 Pa.
The internal energy of a system increases by 1350 J when the system absorbs 1150 J of heat energy at a constant pressure of 1.01 X 105 Pa. By how much does the volume (m3) of the system change?
A system gains 3310 J of heat at a constant pressure of 1.38 × 105 Pa, and its internal energy increases by 4150 J. What is the change in the volume of the system, and is it an increase or a decrease?
Engine valves (cp = 440 J/kg·K and r = 7840 kg/m3) are to be heated from 40°C to 800°C in 5 min in the heat treatment section of a valve manufacturing facility. The valves have a cylindrical stem with a diameter of 8 mm and a length of 10 cm. The valve head and the stem may be assumed to be of equal surface area, with a total mass of 0.0788 kg. For a single valve, determine (a) the amount of heat transfer, (b) the average rate of heat transfer, (c) the average heat flux, and (d) the number of valves that can be heat treated per day if the heating section can hold 25 valves and it is used 10 h per day.