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Graduate Thermodynamics Entropy state function?

  • Rohan Patil
  • · Replies 2 ·
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2

Graduate Heat, Pressure and Equilbrium in two separate systems

  • cooksta
  • · Replies 2 ·
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2

Graduate Thermal efficiency: reversible and irreversible machines

  • DavideGenoa
  • · Replies 2 ·
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2

Graduate Interpreting Kinetic Temperature for Solids / Liquids

  • Alexander83
  • · Replies 1 ·
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1

Undergrad Difficulty of the Physics Series courses for Science/Enginee

  • symbolipoint
  • · Replies 3 ·
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3

Graduate Idea for black body source

  • mookins
  • · Replies 3 ·
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3

Undergrad Temperature increase in a fixed volume when adding mass

  • david316
  • · Replies 4 ·
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4

Undergrad Why are higher energy flames blue?

  • acesuv
  • · Replies 4 ·
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4

Undergrad Calculating time for temperature to change in room

  • dmehling
  • · Replies 12 ·
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12

High School Friction and the third law of motion

  • faiziqb12
  • · Replies 11 ·
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11

Graduate Non equilibrium thermodynamics: T as a function of time

  • pterodox
  • · Replies 3 ·
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3

Graduate Heat engine that violates Second law of thermodynamics?

  • Amin2014
  • · Replies 17 ·
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17

Graduate How does the universe so conspire that entropy increase?

  • stedwards
  • · Replies 6 ·
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6

Graduate Is this a new and useful source of energy?

  • udtsith
  • · Replies 5 ·
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5

Undergrad Question about energy (explosions)

  • nicholas0211510
  • · Replies 5 ·
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5

High School Microwave oven radiation danger

  • gianeshwar
  • · Replies 2 ·
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2

Graduate Is this a possible idea for an antimatter rocket engine?

  • rmoh13
  • · Replies 3 ·
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3

Undergrad Can a Vortex Tube Be Reversed to Generate Compressed Air?

  • ejnovek
  • · Replies 1 ·
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1

Undergrad Thermal Expansion of Two Holes

  • Hlud
  • · Replies 19 ·
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19

High School Violation of Newton's third law

  • Madhusree Bera
  • · Replies 7 ·
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7

High School I'm Looking to Make a Very Small "Nearly Lossless" Machine

  • BillIsTheDill
  • · Replies 13 ·
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13

Undergrad Massflow are caulucation for fuel(Diesel)

  • AutoEngineer
  • · Replies 1 ·
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1

Undergrad Formula for Evaporative Cooloer (Swamp cooler)

  • Rose Gardener
  • · Replies 1 ·
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1

Undergrad Kitchen Condensation: Explaining the Science Behind It

  • CookieSalesman
  • · Replies 6 ·
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6

Graduate Work on the Entire System in Thermodynamics

  • 0pt618
  • · Replies 7 ·
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7

Undergrad First law of thermodynamics at constant volume (ideal gas)

  • c0der
  • · Replies 6 ·
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6

Undergrad How much energy transferred when we burn a piece of wood ?

  • RAJEEV THORAT
  • · Replies 2 ·
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2

Undergrad Thermal Radiation: Calc Total Emitted Joules in Certain Temp Range

  • PytrTchaikovsky
  • · Replies 32 ·
2
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32

Graduate Possible to derive Boltzmann distribution using W, not lnW?

  • Darren73
  • · Replies 1 ·
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1

Undergrad Piston Thermodynamics: Understanding Pressure and Temperature Changes

  • terryds
  • · Replies 8 ·
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8

Graduate Internal Energy Dependence for a Fixed System in Fixed Phase

  • 0pt618
  • · Replies 4 ·
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4

Graduate Derivation of Helmholtz Energy Minimum in Thermodynamics

  • Botttom
  • · Replies 1 ·
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1

Undergrad Rocket Specific Impulse vs Jet Engine Specific Impulse

  • Juhannuskokko
  • · Replies 2 ·
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2

Undergrad Can Batteries Charge Faster if Properly Cooled?

  • Infinityze
  • · Replies 26 ·
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26

Undergrad Boiling 1.5L Water to 55C: 50C → 55C

  • lee121
  • · Replies 6 ·
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6

Undergrad Gas Law Calculation: Pressure Effects of Temp from 17-22C

  • Tweaked9107
  • · Replies 16 ·
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16

Undergrad Want to Calculate Volume, Given Time, Temperature & Energy

  • FarabiBinImran
  • · Replies 5 ·
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5

Graduate Various ways of doing work to minimize entropy increase

  • IvanAndreevich
  • · Replies 3 ·
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3

Undergrad What is the Physical Interpretation of Entropy?

  • Vishnu Kaushik
  • · Replies 5 ·
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5

Undergrad Temperature increase with pressure in an open vessel?

  • doubleddeez
  • · Replies 3 ·
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3

Undergrad Are heat radiation and absorption symmetric?

  • Pythagorian
  • · Replies 4 ·
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4

Undergrad What is the temperature of an iron bar after 1 hour of convection heating?

  • dvd84
  • · Replies 3 ·
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3

Undergrad How are different forms of energy come into existence?

  • Jeevan Patnaik
  • · Replies 3 ·
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3

Graduate Deviation from Raoult's Law--Smith Van Ness Abbott

  • swmmr1928
  • · Replies 4 ·
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4

Undergrad Temperature increase by light absorption

  • sciphys1
  • · Replies 1 ·
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1

Graduate Boltzmann Equation: Entropy & Thermodynamics

  • Entr0py
  • · Replies 6 ·
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6

Undergrad How to apply the Clausius-Clapeyron to geysers

  • Elemere
  • · Replies 1 ·
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1

Graduate Ion density in sheath of Langmuir probe in plasma

  • goodphy
  • · Replies 1 ·
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1

Undergrad How Does Room Temperature Affect Air Molecule Energy from Winter to Summer?

  • skepticwulf
  • · Replies 6 ·
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6

Undergrad Thermal conductivity air to metal

  • themaea
  • · Replies 9 ·
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9

Undergrad What are the attractive forces in a neutral fluid?

  • rogerk8
  • · Replies 4 ·
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4

Graduate Microcanonical ensemble question

  • Coffee_
  • · Replies 3 ·
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3

Undergrad How can the effect of air temperature on an object be quantified?

  • PytrTchaikovsky
  • · Replies 4 ·
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4

Undergrad Heat of friction in cylinder-piston

  • Absentee
  • · Replies 3 ·
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3

Undergrad Can temperature affect the mass of water

  • Amar_6193
  • · Replies 6 ·
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6

Undergrad Gibbs Free Energy for non-standard conditions

  • sgstudent
  • · Replies 1 ·
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1

Undergrad Is a heat vs Mu chart Misleading? What factors into Mu? (brake pads)

  • A1337STI
  • · Replies 2 ·
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2

Undergrad Does weight / inertia / momentum change with temperature?

  • quadcatfly
  • · Replies 4 ·
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4

Undergrad Newton's second law dp/dt version?

  • Steve Drake
  • · Replies 5 ·
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5

Undergrad Understanding the Carnot cycle

  • Mr Davis 97
  • · Replies 3 ·
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3

Undergrad Temperature in Constant volume gas thermometer.

  • An jinsu
  • · Replies 1 ·
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1

Graduate Increase temperature of liquid in a box without heat convection or conduction

  • fysik
  • · Replies 14 ·
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14

Undergrad Combustion Engines: Anatomy, Benefits & Energy Source

  • fysik
  • · Replies 1 ·
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1

Undergrad Why is the internal energy change of free expansion 0?

  • sgstudent
  • · Replies 7 ·
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7

Graduate Ideal Gas Law Equilibrium Requirements

  • 0pt618
  • · Replies 4 ·
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4

Graduate Defining Entropy on a Rubik's Cube: Insights and Implications

  • edenstar
  • · Replies 6 ·
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6

Graduate Can We Create a More Efficient Engine Than the Carnot Engine?

  • person_random_normal
  • · Replies 23 ·
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23

Graduate Downgoing & Upgoing radiant heat equally reflected by RB?

  • shane2
  • · Replies 2 ·
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2

Graduate Physical significance of Enthelpy

  • person_random_normal
  • · Replies 1 ·
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1

Graduate How Do We Calculate Entropy Change for Non-Isothermal Points on a PV Diagram?

  • person_random_normal
  • · Replies 2 ·
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2

Undergrad Blackbody Radiation: Max Intensity & Freq, Invisibility in UV Region?

  • takando12
  • · Replies 1 ·
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1

High School Object Gains Heat: What Does it Mean?

  • Tam Le
  • · Replies 8 ·
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8

Graduate How Is Entropy Measured in Thermodynamics?

  • 24forChromium
  • · Replies 12 ·
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12

Undergrad How was the van der Waals equation derived?

  • sgstudent
  • · Replies 4 ·
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4

Undergrad Ideal gas law: can you use it to find P during exsolution?

  • @PinkGeology
  • · Replies 1 ·
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1

Undergrad Is the energy output of an engine constant?

  • Thom_Silva
  • · Replies 31 ·
2
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31

Undergrad Thermal Expansion of piano wire

  • Ambulatourer
  • · Replies 1 ·
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1

Graduate Why Does Iron Have a Higher Molar Specific Heat Than Its Debye Value?

  • izzmach
  • · Replies 1 ·
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1

Undergrad Vaporization and Energy absorption

  • Zoey Brown
  • · Replies 2 ·
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2

High School I want to know the differences about isothermal process.

  • An jinsu
  • · Replies 2 ·
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2

Graduate Considering Enthelpy Change when external pressure changes

  • sgstudent
  • · Replies 8 ·
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8

Graduate Why do phase trxns behave differently than chemical rxns?

  • kayan
  • · Replies 23 ·
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23

Graduate A Hypothetical Situation Involving Gases

  • woa12
  • · Replies 2 ·
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2

Undergrad Rate of heat transfer/temperature change

  • matt621
  • · Replies 9 ·
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9

High School Bunsen burner flame gets colder with air hole fully open

  • mcairtime
  • · Replies 1 ·
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1

Graduate Is an adiabatic process possible for an open system?

  • gajagaja
  • · Replies 4 ·
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4

Undergrad Prediction of Newton's third law

  • amjad-sh
  • · Replies 6 ·
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6

Graduate Thermodynamics - does homogeneity follow from additivity?

  • andrewkirk
  • · Replies 1 ·
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1

Undergrad Help? trying to solve an energy problem?

  • taseyshepardson
  • · Replies 6 ·
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6

Undergrad Thermal Equilibrium: How Objects Reach Balance

  • AkshayPitt
  • · Replies 3 ·
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3

High School Which Color Provides the Best Green House Effect for Pool Solar Covers?

  • pforeman
  • · Replies 11 ·
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11

Undergrad Radiation - mode of heat transfer

  • Sahil Dev
  • · Replies 6 ·
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6

Graduate General dipole radiation far field equation

  • Dale
  • · Replies 9 ·
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9

Undergrad Photons emitted by heated objects

  • Amyriel
  • · Replies 3 ·
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3

High School Frequently Made Errors in Heat - Elementary Level - Comments

  • haruspex
  • · Replies 3 ·
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3

Graduate Are there any relations between entropy and force?

  • Yohanes Nuwara
  • · Replies 1 ·
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1

Graduate Max PSI Before a Certain Temperature is Reached

  • imadagron89
  • · Replies 7 ·
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7

Graduate What is the entropy of weak and strong force?

  • Yohanes Nuwara
  • · Replies 4 ·
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4

Graduate Why dU may not equals dW in free expansion?

  • kelvin490
  • · Replies 6 ·
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6

Undergrad How long does soil take to heat up

  • Cooken
  • · Replies 5 ·
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5