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Undergrad Why is a two-layered design recommended for heat insulation experiments?

Jul 7, 2019 · Replies 5 · Jul 10, 2019

Replies: 5

Views: 2K

Undergrad How do atoms affect thermodynamics?

Jul 8, 2019 · Replies 3 · Jul 8, 2019

Replies: 3

Views: 1K

Graduate Why doesn't the atom absorb heat energy when it is low?

Mar 31, 2019 · Replies 76 · Jul 4, 2019

3

Replies: 76

Views: 23K

Graduate One way vibrational energy transfer

Jul 2, 2019 · Replies 1 · Jul 2, 2019

Replies: 1

Views: 1K

Graduate Tricky heat calculation from the 1850s

Jun 28, 2019 · Replies 4 · Jun 29, 2019

Replies: 4

Views: 1K

Graduate The association of degrees of freedom with temperature

Jun 24, 2019 · Replies 17 · Jun 28, 2019

Replies: 17

Views: 3K

Graduate Molar specific heat capacity for constant volume.

Jun 22, 2019 · Replies 2 · Jun 23, 2019

Replies: 2

Views: 1K

Undergrad How Do You Calculate Initial Pressure and Final Volume in Adiabatic Expansion?

Jun 22, 2019 · Replies 7 · Jun 22, 2019

Replies: 7

Views: 2K

Undergrad Relation between temperature and average translational kinetic energy.

Jun 22, 2019 · Replies 2 · Jun 22, 2019

Replies: 2

Views: 2K

Graduate Heat capacity vs Thermal conductivity in a LN2 bath

Jun 11, 2019 · Replies 26 · Jun 20, 2019

Replies: 26

Views: 4K

Undergrad What is the equation to calculate the temperature

Jun 20, 2019 · Replies 3 · Jun 20, 2019

Replies: 3

Views: 1K

Undergrad Change in Entropy of a Solid or Liquid

Jun 17, 2019 · Replies 4 · Jun 19, 2019

Replies: 4

Views: 10K

Graduate Can gas kinetic theory explain heat transfer from gas to a container?

Jun 15, 2019 · Replies 6 · Jun 15, 2019

Replies: 6

Views: 2K

Graduate How to find the volume change of CO2 when compressed into liquid?

Jun 13, 2019 · Replies 2 · Jun 13, 2019

Replies: 2

Views: 2K

High School How can we get clothes out of a vacuum chamber without condensing water on them?

Apr 14, 2016 · Replies 114 · Jun 12, 2019

4

Replies: 114

Views: 33K

Undergrad Can windows frost over in space?

Jun 11, 2019 · Replies 8 · Jun 12, 2019

Replies: 8

Views: 2K

Undergrad Can someone please debunk this claim that CO2 does not trap heat?

Jun 10, 2019 · Replies 2 · Jun 12, 2019

Replies: 2

Views: 2K

Undergrad KT in systems other than ideal gas

Jun 7, 2019 · Replies 8 · Jun 11, 2019

Replies: 8

Views: 1K

Undergrad Non-Condensables In Refrigeration System

Feb 16, 2012 · Replies 1 · Jun 9, 2019

Replies: 1

Views: 10K

Graduate What Thermodynamics and Entropy Means

Jun 7, 2019 · Replies 1 · Jun 7, 2019

Replies: 1

Views: 3K

Undergrad Understanding q: Why does dqsurr = -dqsys?

Jun 5, 2019 · Replies 15 · Jun 7, 2019

Replies: 15

Views: 10K

Undergrad Thermocouples, seeback effect, fermi energies

Mar 9, 2005 · Replies 1 · Jun 7, 2019

Replies: 1

Views: 14K

Graduate Isothermal expansion of a gas: heat of surroundings

Jun 5, 2019 · Replies 10 · Jun 5, 2019

Replies: 10

Views: 10K

Undergrad Gas Law - increasing temperature with constant volume held

May 30, 2019 · Replies 23 · Jun 5, 2019

Replies: 23

Views: 4K

Undergrad Is there a limit to how hot something can get, and if so why?

May 30, 2019 · Replies 10 · Jun 3, 2019

Replies: 10

Views: 14K

Graduate Why are action and entropy unrelated?

Jun 2, 2019 · Replies 2 · Jun 3, 2019

Replies: 2

Views: 10K

Undergrad Melting time vs Temperature and Mass

Jun 7, 2018 · Replies 5 · Jun 2, 2019

Replies: 5

Views: 2K

Graduate The Confusion of Weight and Mass in Physics Education

Jun 1, 2019 · Replies 17 · Jun 2, 2019

Replies: 17

Views: 2K

Graduate What property of air makes it compressible?

Jun 1, 2019 · Replies 6 · Jun 1, 2019

Replies: 6

Views: 10K

Graduate Heating phenomenon in a nozzle

Feb 19, 2014 · Replies 1 · May 31, 2019

Replies: 1

Views: 6K

Graduate Cooling air by running it through underground pipes

Jul 30, 2012 · Replies 1 · May 31, 2019

Replies: 1

Views: 7K

Undergrad Thermodynamics & PV work relationships

Sep 26, 2013 · Replies 1 · May 31, 2019

Replies: 1

Views: 6K

Undergrad Can Bubbling Air Through Water Control Relative Humidity and Temperature?

Sep 20, 2012 · Replies 1 · May 31, 2019

Replies: 1

Views: 6K

Graduate Is Entropy in Non-Scientific Contexts Subjective?

May 26, 2019 · Replies 2 · May 28, 2019

Replies: 2

Views: 9K

Undergrad Heat Energy Intercepted by the Earth

May 14, 2019 · Replies 23 · May 20, 2019

Replies: 23

Views: 4K

Graduate If entropy were reversed, would time be reversed?

May 19, 2019 · Replies 2 · May 19, 2019

Replies: 2

Views: 1K

Undergrad How can a blackbody get hotter?

May 14, 2019 · Replies 18 · May 18, 2019

Replies: 18

Views: 2K

Undergrad Why isentropic mass is taken for calculation of area of nozzels

Jan 11, 2013 · Replies 1 · May 17, 2019

Replies: 1

Views: 2K

Undergrad Calculating pressur produced by explosion

Sep 13, 2008 · Replies 1 · May 17, 2019

Replies: 1

Views: 2K

Graduate Understanding Entropy: From Thermodynamics to Transport Equations

Nov 19, 2010 · Replies 1 · May 16, 2019

Replies: 1

Views: 2K

Undergrad Modelling Evaporation of a Liquid

Jun 4, 2012 · Replies 1 · May 16, 2019

Replies: 1

Views: 3K

Graduate Reversible/Irreversible Compression/Dilatation

Nov 6, 2012 · Replies 1 · May 16, 2019

Replies: 1

Views: 2K

Graduate Free (mostly) Expansion of an Ideal Gas

Jun 9, 2011 · Replies 1 · May 16, 2019

Replies: 1

Views: 2K

Undergrad Saturated Steam - Conceptual Question

Dec 8, 2008 · Replies 1 · May 16, 2019

Replies: 1

Views: 2K

Undergrad InFinding heat transfer coefficient experimentally

Jul 15, 2010 · Replies 1 · May 16, 2019

Replies: 1

Views: 2K

Undergrad Constant calorific value problem

Apr 17, 2012 · Replies 1 · May 16, 2019

Replies: 1

Views: 2K

Graduate Thermodynamics - reversibility and heat addition

Feb 19, 2008 · Replies 1 · May 16, 2019

Replies: 1

Views: 7K

Graduate Can Two Points on a PV Curve Represent the Same State in Thermodynamics?

Mar 7, 2010 · Replies 1 · May 16, 2019

Replies: 1

Views: 2K

Graduate Definition of specific heat by via entropy

Mar 25, 2012 · Replies 1 · May 16, 2019

Replies: 1

Views: 2K

Graduate Heat conduction in gravity field without convection

Jan 24, 2012 · Replies 1 · May 16, 2019

Replies: 1

Views: 2K

Undergrad Why is a drinking bird colder than the ambient temperature?

May 15, 2019 · Replies 1 · May 15, 2019

Replies: 1

Views: 1K

High School Understanding the Stefan-Boltzmann Law (when the surroundings are hotter)

May 14, 2019 · Replies 3 · May 15, 2019

Replies: 3

Views: 2K

Graduate Entropy Equatio for a closed system

Apr 24, 2008 · Replies 1 · May 14, 2019

Replies: 1

Views: 2K

Graduate What is the temperature calculation for soldering pins onto PCB edge pads?

Oct 15, 2008 · Replies 1 · May 14, 2019

Replies: 1

Views: 2K

Undergrad LNG: Is 300 Pounds of LNG = 55,500 BTU's?

Sep 14, 2007 · Replies 1 · May 14, 2019

Replies: 1

Views: 3K

Graduate Calculating Final Pressure in Isochoric Thermo Process

Oct 10, 2011 · Replies 1 · May 14, 2019

Replies: 1

Views: 3K

Undergrad Evaporarive cooling. How to calculate the cooling of the air?

Jul 26, 2011 · Replies 1 · May 14, 2019

Replies: 1

Views: 3K

Undergrad Simultaneous heating and cooling

May 12, 2019 · Replies 3 · May 12, 2019

Replies: 3

Views: 2K

High School Can we use temperature differences for power generation?

May 10, 2019 · Replies 12 · May 11, 2019

Replies: 12

Views: 2K

Undergrad Adiabatic irreversible process vs adiabatic reversible

May 9, 2019 · Replies 1 · May 9, 2019

Replies: 1

Views: 1K

Graduate In thermodynamics, when do you include work by external forces?

Oct 10, 2006 · Replies 1 · May 8, 2019

Replies: 1

Views: 3K

Graduate Work and Heat in Gas Cycle (formatted: may load slowly)

May 3, 2008 · Replies 1 · May 7, 2019

Replies: 1

Views: 3K

Undergrad What Determines the Maximum Number of Microstates at Equilibrium?

May 6, 2019 · Replies 4 · May 7, 2019

Replies: 4

Views: 4K

Undergrad Specific heat of certain hard water(hardness measured with gpg)

Oct 5, 2007 · Replies 1 · May 7, 2019

Replies: 1

Views: 10K

Undergrad Conversion confusion: Rankine in ideal gas constant

Mar 21, 2012 · Replies 1 · May 7, 2019

Replies: 1

Views: 7K

Graduate What Are Some Empirical Models for Calculating Activity Coefficients?

Oct 24, 2006 · Replies 1 · May 7, 2019

Replies: 1

Views: 24K

Undergrad How much does air volume change with temperature?

Jul 28, 2017 · Replies 19 · May 6, 2019

Replies: 19

Views: 21K

Undergrad Understanding a simple statement regarding the measurement of temperature

May 6, 2019 · Replies 3 · May 6, 2019

Replies: 3

Views: 2K

Undergrad Joule-Thomson Effect: Explaining Qualitatively

Sep 10, 2017 · Replies 17 · May 5, 2019

Replies: 17

Views: 14K

Graduate Can Anisotropic Materials Have Asymmetric Thermal Conductivity Tensors?

Mar 27, 2019 · Replies 14 · May 4, 2019

Replies: 14

Views: 15K

Graduate Point source with Dirichlet Boundary

May 1, 2019 · Replies 3 · May 2, 2019

Replies: 3

Views: 1K

Graduate Thermo: Calculating the temperature drop from gas leaving a system

Mar 22, 2019 · Replies 11 · May 1, 2019

Replies: 11

Views: 9K

Graduate Can the isothermal expansion of an ideal gas be irreversible?

Apr 29, 2019 · Replies 5 · Apr 30, 2019

Replies: 5

Views: 3K

Graduate Definition of Heat and the First Law of Thermodynamics (discrepancy?)

Apr 30, 2019 · Replies 5 · Apr 30, 2019

Replies: 5

Views: 2K

Undergrad Boltzmann Distribution and microstate probabilities

Apr 29, 2019 · Replies 2 · Apr 30, 2019

Replies: 2

Views: 1K

Graduate Decompression of dry air in relation to temperature

Apr 27, 2019 · Replies 3 · Apr 28, 2019

Replies: 3

Views: 2K

Undergrad How does radiation become heat?

Apr 26, 2019 · Replies 20 · Apr 27, 2019

Replies: 20

Views: 11K

Undergrad Is Newton's First Law a conservation law?

Apr 24, 2019 · Replies 6 · Apr 26, 2019

Replies: 6

Views: 2K

Graduate Review of modern non-equilibrium thermodynamics theories

Apr 24, 2019 · Replies 2 · Apr 26, 2019

Replies: 2

Views: 9K

Undergrad Thermodynamics and ideal gas law concepts

Apr 25, 2019 · Replies 14 · Apr 25, 2019

Replies: 14

Views: 2K

Undergrad The second law of thermodynamics -- What does "from cold to hot" mean?

Apr 24, 2019 · Replies 8 · Apr 24, 2019

Replies: 8

Views: 8K

Undergrad Two or three types of heat transfer?

Apr 18, 2019 · Replies 10 · Apr 23, 2019

Replies: 10

Views: 8K

Graduate Calculating theoretical heating rate of sand

Jun 24, 2010 · Replies 1 · Apr 21, 2019

Replies: 1

Views: 4K

Graduate How Do You Calculate the Temperature Rise of a Bimetallic Strip in an MCB?

Aug 25, 2010 · Replies 1 · Apr 20, 2019

Replies: 1

Views: 7K

Undergrad Combining two thermal conductivity (k) values

Nov 13, 2010 · Replies 1 · Apr 20, 2019

Replies: 1

Views: 8K

Graduate Standard Heat of Formation of Uranium Compounds

Dec 3, 2007 · Replies 1 · Apr 20, 2019

Replies: 1

Views: 6K

Undergrad Specific heat lab question

Sep 24, 2008 · Replies 1 · Apr 20, 2019

Replies: 1

Views: 7K

Undergrad Does plain glass reflect infrared radiation?

Apr 19, 2019 · Replies 3 · Apr 19, 2019

Replies: 3

Views: 9K

Undergrad Why is T''(x) Zero in the Steady State Solution of the Heat Equation?

Apr 7, 2012 · Replies 1 · Apr 17, 2019

Replies: 1

Views: 2K

Graduate Isobaric Process finding G using (deltaG-deltaGo)

Nov 2, 2010 · Replies 1 · Apr 17, 2019

Replies: 1

Views: 2K

Graduate Heat capaticy of isobaric process with real gas

Oct 27, 2012 · Replies 1 · Apr 17, 2019

Replies: 1

Views: 2K

Graduate Internal entropy change for nonquasistatic process

Feb 13, 2010 · Replies 1 · Apr 17, 2019

Replies: 1

Views: 2K

Graduate Adiabatic Invariant: Modifying Entropy Derivation by Laura

Mar 10, 2010 · Replies 1 · Apr 17, 2019

Replies: 1

Views: 2K

Graduate Compare burning of fuel to reversible supply of heat

Oct 15, 2009 · Replies 1 · Apr 17, 2019

Replies: 1

Views: 2K

Graduate State Functions and Order of Diff and Enthelpy

Nov 1, 2010 · Replies 1 · Apr 17, 2019

Replies: 1

Views: 2K

Graduate Heat Transfer and Determining the Proper Gap

Dec 7, 2010 · Replies 1 · Apr 17, 2019

Replies: 1

Views: 2K

Graduate Monitor building inner defect with inverse heat transfer

Feb 3, 2012 · Replies 1 · Apr 17, 2019

Replies: 1

Views: 2K

Undergrad Confusion in explaining Kepler's second law in terms of energy

Apr 16, 2019 · Replies 3 · Apr 17, 2019

Replies: 3

Views: 6K

Graduate Relationship between Latent Heat of Fusion and Temperature

Nov 28, 2012 · Replies 1 · Apr 16, 2019

Replies: 1

Views: 2K

Undergrad Thermodynamics - isochoric situation

Oct 10, 2011 · Replies 1 · Apr 16, 2019

Replies: 1

Views: 2K

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