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Undergrad Pressure-temperature graph without zero y-intercept

  • robcowen
  • · Replies 5 ·
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5

Graduate Does Radiation Intensity depend on [itex]\theta [/itex]?

  • bobfei
  • · Replies 5 ·
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5

Undergrad Ambient temperature energy generation

  • beamthegreat
  • · Replies 4 ·
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4

Graduate Entropy is disorder = outmoded theory?

  • Ray Eston Smith Jr
  • · Replies 39 ·
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39

High School How does temperature vary with height from floor to ceiling?

  • SteveIzHxC
  • · Replies 5 ·
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5

High School Can boiling and evaporation occur simultaneously?

  • coconut62
  • · Replies 10 ·
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10

Graduate Conditions for Cherenkov Radiation

  • Messiri
  • · Replies 4 ·
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4

High School Question: Joule's Law of heating.

  • vaishnavsm
  • · Replies 5 ·
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5

Undergrad Thermodynamics Problem for a Project I Want to Build

  • mhumm2
  • · Replies 3 ·
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3

High School How Heat Energy Transfers Through a Pan of Water

  • Molly1235
  • · Replies 7 ·
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7

Graduate Equipartition's energy theorem

  • Talker1500
  • · Replies 4 ·
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4

Graduate Idea 2 for how to break the second law of thermodynamics

  • Bobcent
  • · Replies 3 ·
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3

Graduate Idea for how to break the second law of thermodynamics

  • Bobcent
  • · Replies 23 ·
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23

Undergrad Does decreasing pressure of fluid in a fixed volume lower temperature?

  • grayb
  • · Replies 3 ·
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3

Graduate Temperature changes and degrees of freedom and intermolecular forces

  • sgstudent
  • · Replies 16 ·
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16

High School Can water be cooled below room temperature without refrigeration?

  • Kevin2341
  • · Replies 6 ·
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6

Graduate Angular momentum loss from quadrupole EM radiation

  • Barnak
  • · Replies 1 ·
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1

Graduate Ammonia forced to boil because H2 is at 200psi ?

  • phlegmatico
  • · Replies 2 ·
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2

Undergrad Can Avogadro's Law Be Applied to a Gas with Zero Volume and Zero Molecules?

  • sgstudent
  • · Replies 4 ·
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4

Graduate Is the triple point a kind of critical point? (thermodynamics)

  • fluidistic
  • · Replies 6 ·
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6

High School Best colour to paint something to keep cool

  • james26
  • · Replies 3 ·
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3

Undergrad Why is this ISOTHERMAL and not ISOBARIC?

  • Farina
  • · Replies 7 ·
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7

Graduate The background measure in Boltzmann measure

  • jostpuur
  • · Replies 15 ·
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15

Graduate Ambiguity in second law of thermodynamics

  • SarcasticSully
  • · Replies 10 ·
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10

Heating up an Ice Cube - Is it Possible?

  • leroyjenkens
  • · Replies 3 ·
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3

Undergrad Why Does Hot Water Freeze Faster Than Cold?

  • EatUrShorts
  • · Replies 10 ·
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10

Graduate Confused on phase diagrams for binary systems (thermodynamics)

  • fluidistic
  • · Replies 1 ·
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1

Undergrad How Do You Calculate the Change in Entropy When Ice Melts in Water?

  • devil0150
  • · Replies 1 ·
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1

Graduate Enthelpy under uniaxial compression of solid

  • g_mogni
  • · Replies 19 ·
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19

High School Why does ethanol feel colder on our skin compared to water?

  • sgstudent
  • · Replies 1 ·
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1

Graduate Multi-Species Ideal Gas Law and Mean Molecular Mass

  • Allday
  • · Replies 4 ·
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4

Undergrad Increase in length directly proportional to the origin length

  • Check_1831
  • · Replies 1 ·
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1

Graduate Entropy increase,coarse-grained vs. Landauer's principle justification

  • Evaristo
  • · Replies 3 ·
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3

Undergrad Understanding Heat and Its Role in Thermodynamics

  • StarsRuler
  • · Replies 28 ·
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28

Undergrad What Are the Best Resources for Solved Thermodynamics Problems?

  • gerardpc
  • · Replies 2 ·
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2

Graduate How Can Systems Achieve Negative Temperature Without Crossing Absolute Zero?

  • tannerbk
  • · Replies 6 ·
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6

Undergrad Water in evaporative cooler reservoir looses heat?

  • Stephen Tashi
  • · Replies 1 ·
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1

Undergrad Gravity adding energy in an isolated system?

  • 04qWIGk3
  • · Replies 7 ·
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7

Undergrad Details of temperature of plasma?

  • Krejuski
  • · Replies 1 ·
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1

Graduate What is the significance of heat capacity at extreme temperatures?

  • aaaa202
  • · Replies 3 ·
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3

High School What happens to ice as the temperature falls further and further?

  • CCWilson
  • · Replies 10 ·
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10

Graduate How does a single photon heat hydrogen in space?

  • nunz
  • · Replies 4 ·
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4

Graduate What Are 'Cold' Electrons and Their Role in Plasma Oscillations?

  • ShayanJ
  • · Replies 2 ·
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2

Undergrad Heat flow through 2 conductors

  • sgstudent
  • · Replies 15 ·
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15

Undergrad Why are two different conductors needed for the Seebeck-Peltier effect

  • hasnainzeenwa
  • · Replies 3 ·
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3

Graduate Horizontal velocity constraint in Engineering applications

  • Hummel
  • · Replies 12 ·
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12

Undergrad Heat conduction increasing with temperature

  • lightarrow
  • · Replies 1 ·
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1

Undergrad Steady state conduction in a hollow sphere

  • rcummings89
  • · Replies 1 ·
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1

Undergrad Quick question about Gibbs free energy

  • Zarquon
  • · Replies 2 ·
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2

Graduate Temperature CONFUSION in derivation for Helmholtz Free Energy

  • daniel_r35
  • · Replies 1 ·
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1

Graduate Boltzmann's entropy/ Microcanonical Entropy

  • Abigale
  • · Replies 1 ·
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1

Undergrad Is Heat Gain in a Solar Oven Consistent Across Different Substances?

  • jwerner
  • · Replies 1 ·
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1

Graduate High Temperature Limit: Equal Probability of Energy States Explained

  • aaaa202
  • · Replies 1 ·
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1

Undergrad Hot gas expansion rate into outer space

  • Jay Hill
  • · Replies 5 ·
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5

Undergrad Calculating Color temperature and Color Rendering Index

  • R33E8
  • · Replies 9 ·
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9

Graduate Properties of adiabatic process

  • burakumin
  • · Replies 24 ·
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24

Graduate Relating physics forces and entropy

  • vishvajeet
  • · Replies 2 ·
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2

Graduate Equating differentials => equating coefficients

  • Derivator
  • · Replies 9 ·
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9

Undergrad Newton's 1st Law: Object at Constant Speed, No Reaction Force

  • adjacent
  • · Replies 54 ·
2
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54

High School Does Electromagnetic Radiation Contain Photons?

  • soumyajitnag
  • · Replies 4 ·
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4

High School Why does a strong wind feel colder than a gentle breeze?

  • AJBMuir
  • · Replies 9 ·
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9

High School Newton's Third Law: Why Does Motion Occur?

  • Deadevil
  • · Replies 8 ·
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8

Undergrad Calculating Enthalpy of Reaction A+B -> C+D @ 298K & 1 atm

  • susdu
  • · Replies 6 ·
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6

Graduate Which has least entropy- living organism or same mass as chrystal?

  • bcrelling
  • · Replies 11 ·
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11

High School How Does Heat Affect the Size of a Hole in a Metal Plate?

  • swap1996
  • · Replies 7 ·
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7

Graduate Cooling below 1 K: How long can it stay cool?

  • rollingstein
  • · Replies 6 ·
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6

Undergrad Can radiation pass through lead aprons?

  • Intropersona
  • · Replies 1 ·
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1

Graduate Understanding Temperature: Definitions and Applicability in Everyday Life

  • fluidistic
  • · Replies 8 ·
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8

Graduate Understanding a proof of Carnot's theorem.

  • Fallen Seraph
  • · Replies 4 ·
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4

Undergrad Energy thought experiment (oldschool very)

  • toneboy1
  • · Replies 4 ·
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4

Graduate S2 - S1 > Integral 1-2 dQ/T Irreversible Process. What T ?

  • Point Conception
  • · Replies 6 ·
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6

Undergrad Transfer of heat by radiation and Second Law of Thermodynamics

  • Phynite
  • · Replies 8 ·
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8

Undergrad Energy is neither created nor destroyed

  • TeCNoYoTTa
  • · Replies 4 ·
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4

Graduate Difference between enthelpy, Helmholtz free energy,& Gibbs free energy

  • ANphysics
  • · Replies 1 ·
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1

Graduate Fundamental Thermodynamic Relation and Helmholtz Energy

  • jbwebb
  • · Replies 11 ·
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11

Undergrad Why is entropy a driving force for a reaction

  • arp001
  • · Replies 11 ·
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11

Undergrad Concept to extract heat energy from objects

  • Dray1480
  • · Replies 5 ·
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5

Undergrad Thermal radiation and emission spectra

  • klawlor419
  • · Replies 3 ·
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3

Undergrad Effects of decreasing volume and temperature for ideal gases

  • sgstudent
  • · Replies 9 ·
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9

Undergrad Do objects made of different matterials radiate at different rates?

  • rds-s
  • · Replies 6 ·
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6

Undergrad Newton's second Law of Acceleration, Inertia and Momentum, Freefall

  • jeffrey c mc.
  • · Replies 35 ·
2
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35

Graduate Free expansion of a Van der Waals gas, physical explanation

  • fluidistic
  • · Replies 4 ·
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4

Undergrad Water and copper heat capacity difference due to potential energy?

  • pa5tabear
  • · Replies 7 ·
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7

High School Energy a mathematical expression?

  • Phztastic
  • · Replies 21 ·
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21

Graduate Published paper proving that Carnot efficiency can be exceeded

  • abhijitp88
  • · Replies 7 ·
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7

High School Heat (Energy) distribution during day-night cycle

  • Trafiq
  • · Replies 4 ·
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4

Undergrad Ideal gases and partial volume

  • sgstudent
  • · Replies 16 ·
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16

Undergrad Temperature different between two plate

  • Askara
  • · Replies 2 ·
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2

High School Boyle's Law Graph: Explaining Start Points

  • javierong
  • · Replies 1 ·
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1

Undergrad Does a Gas-Filled Bottle Oscillate Underwater Due to Pressure Changes?

  • sgstudent
  • · Replies 5 ·
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5

Undergrad Explaining Temp Increase When Compressing Gas: Kinetic Theory

  • eddywalrus
  • · Replies 23 ·
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23

Graduate How Are Thermodynamic Property Tables Created?

  • MotoPayton
  • · Replies 3 ·
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3

Graduate Could a jet engine be run on nuclear power?

  • FireStorm000
  • · Replies 6 ·
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6

Undergrad Newton's third law and energy transfer

  • Berney123
  • · Replies 4 ·
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4

Graduate Require length of a wire in free air with one hot end(1000 c) to 100c

  • Askara
  • · Replies 18 ·
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18

Graduate IR thermometer calibration source

  • mookins
  • · Replies 2 ·
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2

Undergrad What is the max free air heat transfer coefficient(film coefficient)?

  • Askara
  • · Replies 1 ·
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1

High School Understanding Linear Expansivity: Tips for Finding L2 with Ease

  • Eke
  • · Replies 7 ·
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7

Undergrad Free Expansion of Ideal Gas: Isothermal or Adiabatic?

  • kulkajinkya
  • · Replies 22 ·
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22

Graduate Move A->B What about entropy change?

  • bolly
  • · Replies 25 ·
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25