Thermodynamics Forum

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Undergrad Understanding the Ideal Gas Assumption: Time of Collision Negligibility
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Graduate Evaluating partition function (stuck for weeks)
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Undergrad What will happen in this case -- 2 chambers connected by a tube....
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Undergrad Calculation of heat loss by Degree C/minute.
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Undergrad I need a bit of direction....thermodynamics & kilns
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Graduate Dimensions of interaction/radiation length
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Undergrad Thermal coefficient of expansion in gases
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Graduate Is enthelpy change during isothermal process zero?
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Graduate Confusion: Internal energy u vs enthelpy h
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Undergrad Isobaric vs. isothermal expansion
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Graduate What Happens Thermally When High-Pressure Air Bursts into a Dead-Ended Tube?
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Undergrad How does density affect thermal conductivity?
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Undergrad What is the difference between Otto engine and Carnot engine
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High School Can You Calculate Heat Conductivity with These Simple Variables?
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Graduate First Vs. Second law of thermodynamics
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High School Kepler's first law for any body
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Graduate Thermodynamics: questions about vacuum engines
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Undergrad Question about Jet engines (thermodynamics)
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High School Is There a Connection Between Thermostats and Shower Water Temperature?
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Graduate Billiard ball gas and extensive entropy
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High School Can an object ever fully reach ambient temperature in an isolated environment?
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Graduate Proof that entropy can never decrease
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Graduate Proving thermodynamic relationship
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Graduate Thermodynamics: (Entropy) Multiplicity using hypercube
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High School What Makes Ice Skating Possible: Is It Just Pressure or Something More?
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Undergrad Temperature of Plexiglass due to laser strike
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Undergrad How to determine temperature of filament?
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Undergrad Gibbs Free Energy and Enthelpy
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Graduate What values of n make this system a proper thermodynamic system?
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Undergrad Temperature of two bodies in the same room and under the Sun
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Graduate Specific heat ratio of gas mixture
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Undergrad Undergraduate Student Seeking Answers on Sustaining Entropy
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Graduate Statistical definition of temperature
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High School Could a good conductor be heated past the temperature of....
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Undergrad Air friction and speed & temperature
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Undergrad About Second Law of Thermodynamics
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Undergrad For Dummies Derivation of Radiation Pressure>Energy Density?
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Undergrad Calculating LED Efficiency with Radiant Power and Temperature
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Graduate Isothermal Expansion of Supersonic Flow
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Undergrad Is it Reasonable to Assume (3/2)*P*V as the Internal Energy of a Real Gas?
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High School Trivial Question - rate of heat loss from hot drink
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Undergrad Archimedes and Maritime Engineering
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Undergrad Is the definition of a phase arbitrary?
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Graduate Is entropy real or just a construct?
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Graduate Maximum of entropy and Lagrange multiplier
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Undergrad Which Side of the Carnot Cycle Diagram Represents Key Processes?
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Graduate Why does the entropy increase in free expansion of an ideal gas?
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Graduate Entropy and the Second Law of Thermodynamics in Isolated Systems
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Undergrad Relation between energy levels and volume.
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Graduate Solving for temperature and volume of Dietrici Equation
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Undergrad Parts per million of vapor above a liquor in a sealed jar
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Undergrad Black body, angle of incidence
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Graduate Heat convection in liquid nitrogen
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Undergrad Is it possible to read higher temperatures than mediums?
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Undergrad Beta radiation and Alpha radiation
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Graduate Entropy as a measure of energy gradient?
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Graduate Calculating frictional heat from rotating mass
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High School Why Does PΔV = nRΔT Hold True in Some Isobaric Processes but Not Others?
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Undergrad Non-reversibility of '2nd Law' processes
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Undergrad Entropy unavailable to do work
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Graduate Thought Experiment on the Second Law of Thermodynamics
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Undergrad Boltzmann Distribution Derivation Question
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High School How can a permeable piston be adiabatic?
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Graduate Fluid Boundary layer in presence of a postive heat gradient
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High School Your Opinion On This Solar Cooker
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Undergrad Amateur physics here, how is entropy linked to the universe?
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Undergrad Can internal energy be calculated from equation of state?
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Undergrad Plane's Coanda's effect and jet engines sucking in air
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Undergrad Calculate Heat Transfer Rate for Copper Coil
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Graduate Intensive vs Extensive Expressions
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Graduate Newton's third law is frame independent?
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Undergrad Carbureted Engines: Altitude Effects Explained
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Graduate Seeking formal derivation for common thermo equation
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Undergrad Gas Pressure vs Temperature moved between containers?
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High School What Are the Physical Constituents of Heat?
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High School Optimizing Room Temperature: Impact of Thermal Paste on Notebook Heat
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High School Why wave with lower frequency produce heat?
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Graduate Calculating number of microstates to find entropy
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Graduate Steps in proof for Eotvos' law
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Undergrad Does Newton's or Galileo's first law depend on gravity?
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High School Has the Mystery of the Mpemba Effect Been Solved?
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Undergrad In which case coffee will cool faster?
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Undergrad What's the relation with Gravity & Laws of Thermodynamics
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Graduate Clarification "Force Carrier" and "Radiation" Gravity and EM
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Undergrad Confusions about thermodynamics
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Graduate Connection between entropy and total pressure
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Graduate Thermal radiation, emissivity and Kirchhoff
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Graduate How to derive this heat input equation?
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Graduate Newton's Second Law Integral Form
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Undergrad 100th anniversary of the Sackur–Tetrode equation
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Graduate If something moves fast it gains temperature?
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Undergrad Can C60 Fullerenes Create a Freeze Ray?
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Undergrad Carnot Refrigerator Work Input: 230 J Extracts 346 J Heat
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Undergrad Does Decreasing Volume and Internal Energy of a Gas Affect Heat Flow and Constant Pressure?
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Undergrad Energy Conversion With Supercritical Fluids
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Undergrad Frame of reference in which Newton's first law is not valid
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Undergrad How do you find Z when the temperature line ends on the compressibility chart?
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Undergrad What is the gas composition in a tank with a SF6 leak?
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Undergrad Why isn't the temperature of this vapor T_sat?
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High School Hydraulic Engine: Ball Spin, Stop & Why?
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