• About
  • Advertise
  • Careers
  • Contact
Wednesday, May 25, 2022
  • Login
No Result
View All Result
NEWSLETTER
Website WP
  • Home
    • Home – Layout 1
    • Home – Layout 2
    • Home – Layout 3
    • Home – Layout 4
    • Home – Layout 5
  • World
  • Politics
  • Business
  • Science
  • Tech

    Betterment Moves Beyond Robo-Advising With Human Financial Planners

    A Digital Media Startup Growing Up With Millennial Women

    Bill Gates’ iconic donkey game arrives on iPhone, Apple Watch

    Indonesia’s Largest Fleet Of Taxis Teams Up To Beat Ride-hailing Apps

    Trump Didn’t Record Comey, White House Tells House Intel Panel

    Uber’s Turbulent Week: Kalanick Out, New Twist In Google Lawsuit

    Trending Tags

    • Sillicon Valley
    • Climate Change
    • Election Results
    • Flat Earth
    • Golden Globes
    • MotoGP 2017
    • Mr. Robot
  • Entertainment
    • All
    • Gaming
    • Movie
    • Music
    • Sports

    Rap group call out publication for using their image in place of ‘gang’

    Melania Trump’s Mail Suit Suggests Desire To Monetise First Lady Role

    Bill Gates’ iconic donkey game arrives on iPhone, Apple Watch

    Johnny Depp Jokes About Assassinating Trump, Then Apologizes

    Uber’s Turbulent Week: Kalanick Out, New Twist In Google Lawsuit

    Uncharted: The Lost Legacy’s Latest Demo Shows A Treasure-Hunting Duo In Sync

    Hannah Donker talks being The Weeknd’s love interest in ‘Secrets’

    Using A Mind Reading Device, ‘locked-in’ Patients Told Researchers They’re Happy

    Hong Kong’s Stock Market Tells the Story of China’s Growing Dominance

  • Lifestyle
    • All
    • Fashion
    • food
    • Health
    • Travel

    Republican Senator Vital to Health Bill’s Passage Won’t Support It

    Rap group call out publication for using their image in place of ‘gang’

    Barack Obama and Family Visit Balinese Paddy Fields During Vacation

    Melania Trump’s Mail Suit Suggests Desire To Monetise First Lady Role

    This Secret Room In Mount Rushmore Is Having A Moment

    A Digital Media Startup Growing Up With Millennial Women

    India Is Bringing Free Wi-fi To More Than 1,000 Villages This Year

    Indonesia’s Largest Fleet Of Taxis Teams Up To Beat Ride-hailing Apps

    Johnny Depp Jokes About Assassinating Trump, Then Apologizes

    Uber’s Turbulent Week: Kalanick Out, New Twist In Google Lawsuit

    Trending Tags

    • Golden Globes
    • Mr. Robot
    • MotoGP 2017
    • Climate Change
    • Flat Earth
  • Home
    • Home – Layout 1
    • Home – Layout 2
    • Home – Layout 3
    • Home – Layout 4
    • Home – Layout 5
  • World
  • Politics
  • Business
  • Science
  • Tech

    Betterment Moves Beyond Robo-Advising With Human Financial Planners

    A Digital Media Startup Growing Up With Millennial Women

    Bill Gates’ iconic donkey game arrives on iPhone, Apple Watch

    Indonesia’s Largest Fleet Of Taxis Teams Up To Beat Ride-hailing Apps

    Trump Didn’t Record Comey, White House Tells House Intel Panel

    Uber’s Turbulent Week: Kalanick Out, New Twist In Google Lawsuit

    Trending Tags

    • Sillicon Valley
    • Climate Change
    • Election Results
    • Flat Earth
    • Golden Globes
    • MotoGP 2017
    • Mr. Robot
  • Entertainment
    • All
    • Gaming
    • Movie
    • Music
    • Sports

    Rap group call out publication for using their image in place of ‘gang’

    Melania Trump’s Mail Suit Suggests Desire To Monetise First Lady Role

    Bill Gates’ iconic donkey game arrives on iPhone, Apple Watch

    Johnny Depp Jokes About Assassinating Trump, Then Apologizes

    Uber’s Turbulent Week: Kalanick Out, New Twist In Google Lawsuit

    Uncharted: The Lost Legacy’s Latest Demo Shows A Treasure-Hunting Duo In Sync

    Hannah Donker talks being The Weeknd’s love interest in ‘Secrets’

    Using A Mind Reading Device, ‘locked-in’ Patients Told Researchers They’re Happy

    Hong Kong’s Stock Market Tells the Story of China’s Growing Dominance

  • Lifestyle
    • All
    • Fashion
    • food
    • Health
    • Travel

    Republican Senator Vital to Health Bill’s Passage Won’t Support It

    Rap group call out publication for using their image in place of ‘gang’

    Barack Obama and Family Visit Balinese Paddy Fields During Vacation

    Melania Trump’s Mail Suit Suggests Desire To Monetise First Lady Role

    This Secret Room In Mount Rushmore Is Having A Moment

    A Digital Media Startup Growing Up With Millennial Women

    India Is Bringing Free Wi-fi To More Than 1,000 Villages This Year

    Indonesia’s Largest Fleet Of Taxis Teams Up To Beat Ride-hailing Apps

    Johnny Depp Jokes About Assassinating Trump, Then Apologizes

    Uber’s Turbulent Week: Kalanick Out, New Twist In Google Lawsuit

    Trending Tags

    • Golden Globes
    • Mr. Robot
    • MotoGP 2017
    • Climate Change
    • Flat Earth
No Result
View All Result
Website WP
No Result
View All Result

A Reversible Process Is One That __________, Reversible Process (Thermodynamics)

by admin
September 25, 2021
in Uncategorized
0
0
SHARES
3
VIEWS
Share on FacebookShare on Twitter

You are expected to be able to define and explain the significance of terms identified in bold.

You are watching: A reversible process is one that

A reversible process is one carried out in infinitesimal steps after which, when undone, both the system and surroundings (that is, the world) remain unchanged (see the example of gas expansion-compression below). Although true reversible change cannot be realized in practice, it can always be approximated. As a process is carried out in a more reversible manner, the value of w approaches its maximum possible value, and q approaches its minimum possible value. Although q is not a state function, the quotient qrev/T is, and is known as the entropy.

A change is said to occur reversibly when it can be carried out in a series of infinitesimal steps, each one of which can be undone by making a similarly minute change to the conditions that bring the change about. For example, the reversible expansion of a gas can be achieved by reducing the external pressure in a series of infinitesimal steps; reversing any step will restore the system and the surroundings to their previous state. Similarly, heat can be transferred reversibly between two bodies by changing the temperature difference between them in infinitesimal steps each of which can be undone by reversing the temperature difference.

The most widely cited example of an irreversible change is the free expansion of a gas into a vacuum. Although the system can always be restored to its original state by recompressing the gas, this would require that the surroundings perform work on the gas. Since the gas does no work on the surrounding in a free expansion (the external pressure is zero, so (PΔV = 0),) there will be a permanent change in the surroundings. Another example of irreversible change is the conversion of mechanical work into frictional heat; there is no way, by reversing the motion of a weight along a surface, that the heat released due to friction can be restored to the system.

The Reason Why Does Gilgamesh Want To Kill Humbaba ? The Epic Of Gilgamesh: Part 2

Because work done during the expansion of a gas depends on the opposing external pressure ((w = P_{ext}ΔV)), work done in a reversible process is always equal to or greater than work done in a corresponding irreversible process: (w_{rev} ≥ w_{irrev}). Whether a process is reversible or irreversible, the first law of thermodynamics holds (Equation
ef{first}). Because (U) is a state function, the magnitude of (ΔU) does not depend on reversibility and is independent of the path taken. So

<egin{align} ΔU &= q_{rev} + w_{rev} \<4pt> &= q_{irrev} + w_{irrev} label{Eq1} end{align}>

Work done in a reversible process is always equal to or greater than work done in a corresponding irreversible process:

In other words, (ΔU) for a process is the same whether that process is carried out in a reversible manner or an irreversible one. We now return to our earlier definition of entropy, using the magnitude of the heat flow for a reversible process ((q_{rev})) to define entropy quantitatively.

Jennifer Garner Engagement Ring S At Tiffany'S Amid, The 15 Most Expensive Celebrity Engagement Rings

Now consider the reversible melting of a sample of ice at 0°C and 1 atm. The enthalpy of fusion of ice is 6.01 kJ/mol, which means that 6.01 kJ of heat are absorbed reversibly from the surroundings when 1 mol of ice melts at 0°C, as illustrated in Figure (PageIndex{6}). The surroundings constitute a sample of low-density carbon foam that is thermally conductive, and the system is the ice cube that has been placed on it. The direction of heat flow along the resulting temperature gradient is indicated with an arrow. From Equation (
ef{Eq2}), we see that the entropy of fusion of ice can be written as follows:

admin

admin

Next Post

2004 Pontiac Grand Prix Gtp Comp G, Used 2004 Pontiac Grand Prix Gtp Sedan 4D Prices

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Recommended

Best Way To Go Along Playing Birth By Sleep Order You Should Play Birth By Sleep

7 months ago

Here Comes The 1 Here Comes The 2 To The 3 To The 4, Get Tipsy Lyrics J

8 months ago

Popular News

    Connect with us

    Newsletter

    Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor.
    SUBSCRIBE

    Category

    • Business
    • Entertainment
    • Fashion
    • food
    • Gaming
    • Health
    • Lifestyle
    • Movie
    • Music
    • National
    • Politics
    • Science
    • Sports
    • Tech
    • Travel
    • World

    Site Links

    • Log in
    • Entries feed
    • Comments feed
    • WordPress.org

    About Us

    We bring you the best Premium WordPress Themes that perfect for news, magazine, personal blog, etc. Check our landing page for details.

    • About
    • Advertise
    • Careers
    • Contact

    © 2022 JNews - Premium WordPress news & magazine theme by Jegtheme.

    No Result
    View All Result
    • Home
    • Politics
    • World
    • Business
    • Science
    • National
    • Entertainment
    • Gaming
    • Movie
    • Music
    • Sports
    • Fashion
    • Lifestyle
    • Travel
    • Tech
    • Health
    • Food

    © 2022 JNews - Premium WordPress news & magazine theme by Jegtheme.

    Welcome Back!

    Login to your account below

    Forgotten Password?

    Retrieve your password

    Please enter your username or email address to reset your password.

    Log In