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Graduate Reversibility of heat transfer

  • kelvin490
  • · Replies 1 ·
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1

Graduate Calculating Thermo Properties of Water in Excel

  • traijan
  • · Replies 2 ·
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2

Home Theater Acoustics: Subwoofer Placement

  • Eggybasket
  • · Replies 23 ·
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23

Undergrad Why do we need Newton's First law? And how the First law works?

  • Adjoint
  • · Replies 33 ·
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33

High School The physics of protecting fruit plants from freezing

  • Maxo
  • · Replies 2 ·
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2

Undergrad Understanding gas pressure/temperature relation

  • Maxo
  • · Replies 11 ·
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11

Graduate Power for a blackbody radiation

  • dEdt
  • · Replies 5 ·
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5

High School Boiling Food: Is Less Boiling More Efficient?

  • Maxo
  • · Replies 12 ·
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12

Graduate Brownian Ratchet: Carnot Cycle Efficiency Explained

  • rohitupreti
  • · Replies 1 ·
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1

High School Where Does the Energy Go in a Heat Pump?

  • 97313
  • · Replies 1 ·
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1

Undergrad Role of Pipe Length in Poiseuille's Law

  • Willis92
  • · Replies 4 ·
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4

High School Does an indoor swimming pool cause a room to be "steamed up"?

  • Maxo
  • · Replies 5 ·
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5

Undergrad Can Heat Flow from Cold to Hot?

  • NicholasB54
  • · Replies 2 ·
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2

Undergrad Change in internal energy of an ideal gas

  • awesomeness
  • · Replies 1 ·
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1

High School Fridge Power/Heat: A 300 Watt Heater?

  • 97313
  • · Replies 1 ·
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1

Undergrad Evidence of photon existence and Blackbody Radiation

  • Entanglement
  • · Replies 19 ·
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19

Graduate Black body radiation and particle nature of light.

  • americast
  • · Replies 12 ·
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12

High School A layman's question about Thermodynamics (End of the universe)

  • Conny
  • · Replies 1 ·
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1

Graduate Tank depressurization through a valve

  • hybro
  • · Replies 4 ·
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4

Undergrad Physics Behind Energy Expenditure?

  • Jimmy87
  • · Replies 2 ·
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2

Graduate Calculating Multiplicity of N Hard Sphere Gases

  • WannabeNewton
  • · Replies 5 ·
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5

High School About heat question which one is right?

  • new hand
  • · Replies 8 ·
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8

Graduate Entropy: Understanding the Cycle | Thermodynamics

  • Tikkelsen
  • · Replies 2 ·
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2

High School Temperature Outside Without Thermometer

  • Chris914
  • · Replies 15 ·
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15

Undergrad Does Thermal Energy Have Momentum?

  • Nathanael
  • · Replies 6 ·
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6

Undergrad Microwave Vs. Visible light Heating

  • MichaelsTech
  • · Replies 6 ·
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6

Graduate Questions about thermodynamic relations

  • kelvin490
  • · Replies 12 ·
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12

Undergrad Wind blowing in face when driving

  • gfd43tg
  • · Replies 7 ·
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7

Graduate Question about thermodynamic quantities

  • kelvin490
  • · Replies 1 ·
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1

Graduate Newtons third law and quantum mechanics

  • shivakumar06
  • · Replies 4 ·
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4

Graduate What could happen after maximum entropy is reached if

  • WellFlawed
  • · Replies 3 ·
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3

Graduate What is the significance of the 1/3 factor in the derivation of PV=nRT?

  • kidsasd987
  • · Replies 7 ·
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7

High School How to determine specific heat capacity

  • Nerdydude101
  • · Replies 9 ·
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9

Undergrad Why energy could be "renewable"?

  • kenny1999
  • · Replies 18 ·
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18

High School In compression of gas, which is first kinetic energy or heat?

  • mdn
  • · Replies 21 ·
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21

Undergrad Why Is Work Calculated Using External Pressure P2 in Gas Expansion?

  • kelvin490
  • · Replies 9 ·
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9

Graduate Standard entropy of a liquid at melting temperature

  • DiffusConfuse
  • · Replies 7 ·
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7

Graduate Is this a valid explanation of why hotter things have more mass?

  • Evanish
  • · Replies 2 ·
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2

High School What is the equation to calculate thermal energy due to friction?

  • Nerdydude101
  • · Replies 1 ·
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1

Graduate Confusion regarding Kelvin-Plank statement of Second Law

  • physicslover23
  • · Replies 17 ·
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17

Undergrad Specific Heat in Absolute vs Relative Units

  • ttrumble
  • · Replies 7 ·
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7

Graduate Radiation and gas concentration

  • atlstroke
  • · Replies 5 ·
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5

Graduate Are There Disproportionate IR Wavelengths in Sunlight Reaching the Atmosphere?

  • atlstroke
  • · Replies 4 ·
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4

Undergrad Regarding resistivity in heating coils

  • s3nka
  • · Replies 3 ·
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3

Graduate Why is the enthelpy of a phase transition different from 0?

  • ricard.py
  • · Replies 2 ·
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2

High School How to create heat using a falling object?

  • Yoann
  • · Replies 14 ·
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14

Graduate Two isolated metal cubes: Negative ΔS? Thermodynamics

  • Nikitin
  • · Replies 3 ·
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3

Graduate What is the relationship between exergy and Gibbs free energy?

  • Nikitin
  • · Replies 2 ·
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2

Undergrad Thermal and Kinetic Energy Conversion

  • jasongog
  • · Replies 7 ·
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7

Graduate Entropy and Enthelpy for adiabatic process

  • ricard.py
  • · Replies 2 ·
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2

Undergrad How Does Valve Opening Affect Flow Rate from a Pressurized Tank?

  • luffyy
  • · Replies 1 ·
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1

Graduate Entropy in Information theory vs thermodynamic

  • Angella
  • · Replies 4 ·
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4

Undergrad How is Efficiency of Heat Exchangers (HRV) determined

  • whatmough
  • · Replies 3 ·
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3

Graduate Deriving the formula for the change in entropy

  • 2sin54
  • · Replies 4 ·
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4

Graduate Non homogeneous density in a gas

  • JamesWolf
  • · Replies 5 ·
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5

Undergrad Work definition in thermodynamics

  • ricard.py
  • · Replies 4 ·
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4

High School What consequences can the heat generated by our body have?

  • DarkFalz
  • · Replies 11 ·
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11

Graduate Can a gas decrease its Temp. without doing Work nor exchanging Heat?

  • rollingstein
  • · Replies 15 ·
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15

Graduate Enthelpic Excess Function - Phase Separation in Regular solutions

  • elemis
  • · Replies 1 ·
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1

Undergrad Meaning of "adiabatic" in Britain?

  • George Jones
  • · Replies 11 ·
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11

High School What are cyclic devices exactly?

  • influx
  • · Replies 3 ·
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3

High School Understanding Heat & Work: An Engine Explained

  • influx
  • · Replies 3 ·
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3

Undergrad Why is entropy zero in an adiabatic process?

  • negation
  • · Replies 7 ·
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7

Graduate Can anyone explain the mechanism of molecular vibration and heat transfer?

  • Peter Cooper
  • · Replies 2 ·
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2

High School If heat is motion, why do fans cool you off?

  • Nathanael
  • · Replies 19 ·
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19

Graduate Entropy of canonical ensemble - invariant wrt energy shift?

  • BjarkeTN
  • · Replies 2 ·
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2

Graduate Thermal: Entropy of Ideal Gas (Sackur-Tetrode equation)

  • PsychonautQQ
  • · Replies 1 ·
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1

Undergrad Two Objects In Thermal Equilibrium

  • Bashyboy
  • · Replies 1 ·
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1

Graduate Balckbodies and black body radiation - please enlighten me

  • christian0710
  • · Replies 2 ·
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2

Graduate Closed Systems and Isolated Systems

  • PFuser1232
  • · Replies 5 ·
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5

Graduate Calorimetry of a non-isolated system

  • ThomGunn
  • · Replies 1 ·
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1

Graduate Semi-Classical/Classical derivation of ideal gas partition function

  • CAF123
  • · Replies 1 ·
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1

Graduate Free energy changes in a canonical ensemble

  • errai
  • · Replies 14 ·
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14

Undergrad Why is heat measured in joules?

  • Entanglement
  • · Replies 44 ·
2
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44

Undergrad Newton's Third Law and Linear Momentum Conservation

  • PFuser1232
  • · Replies 4 ·
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4

Graduate Determination of density at a depth in a compressible fluid.

  • Ahsan Khan
  • · Replies 46 ·
2
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46

High School Explanation of entropy for a beginner please

  • kate84
  • · Replies 2 ·
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2

Graduate Heat transfer through an insulated steel wall due to hydrocarbon fire

  • u01sdr9
  • · Replies 4 ·
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4

Undergrad What is the relationship between wet bulb temperature and rain temperature?

  • Libertiene
  • · Replies 2 ·
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2

Undergrad Understanding reversible and irreversible process

  • Soumalya
  • · Replies 34 ·
2
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34

Undergrad Does High Energy Radiation Sting?

  • Jarfi
  • · Replies 5 ·
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5

Undergrad The First Law of Thermodynamics and Mechanical Work

  • PFuser1232
  • · Replies 6 ·
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6

Graduate 2D heat conduction of layered composite model

  • geetar_king
  • · Replies 2 ·
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2

Undergrad Does wrapping a beer in a wet paper towel increase the rate of cooling

  • axiom1
  • · Replies 28 ·
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28

Graduate Are the Laws of Thermodynamics Really laws?

  • BiGyElLoWhAt
  • · Replies 10 ·
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10

Graduate 'Relation between the psychological and thermodynamic arrows of time'

  • The thinker
  • · Replies 1 ·
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1

Undergrad Why can't energy change abruptly?

  • anhnha
  • · Replies 6 ·
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6

Undergrad Calculating Thermal Speed VTh with R Constant

  • negation
  • · Replies 4 ·
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4

High School Fridge stocked or unstocked - which uses less energy?

  • engineer888
  • · Replies 7 ·
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7

Undergrad Insulating a Cat House: Tips for Finding Required Thickness

  • TheKShaugh
  • · Replies 3 ·
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3

Graduate Interpretation verification: Partition function vs. number of states

  • HJ Farnsworth
  • · Replies 2 ·
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2

Undergrad Law of expansion for super heated steam

  • Soumalya
  • · Replies 7 ·
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7

Undergrad Exploring the Boiling Point of Refrigerants in Freezers and Refrigerators

  • Bengo
  • · Replies 4 ·
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4

Undergrad Derivation of ideal gas equation

  • Soumalya
  • · Replies 4 ·
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4

High School Does a Black Body Absorb or Release Energy?

  • gfd43tg
  • · Replies 7 ·
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7

Graduate Enthelpy of water at triple point and freezing point

  • Soumalya
  • · Replies 11 ·
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11

High School Water in an open container immersed in a heat bath at BP

  • LuxAurum
  • · Replies 2 ·
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2

Undergrad What is the real second law of thermodynamics?

  • moonman239
  • · Replies 164 ·
6
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164

Undergrad I am new here, this is more of a conceptual confirmation than mathemab

  • ALLIRIX
  • · Replies 1 ·
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1

Undergrad Thermodynamics: Why must a reversible process be infenetesimally done?

  • Nikitin
  • · Replies 12 ·
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12