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High School Cheap and relatively efficient insulated container

  • Thundagere
  • · Replies 2 ·
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2

High School Which Metal Stays Cooler on Spoon Handles: Aluminum or Steel?

  • perfection098
  • · Replies 11 ·
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11

Undergrad Temperature needed to freeze moving water

  • starfish99
  • · Replies 8 ·
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8

Undergrad Sherwood number - effective and molecular diffusion

  • TboneWalker
  • · Replies 5 ·
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5

Graduate Does temperature in static particles increase due to gravity?

  • Felian
  • · Replies 1 ·
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1

Undergrad PV diagrams for heat engines are legitimate ?

  • miko1977
  • · Replies 2 ·
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2

Graduate A system is always in a well-defined state, so the entropy is constant?

  • spocchio
  • · Replies 3 ·
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3

Undergrad How long does it take to produce H2 in a closed beaker

  • PeetPb
  • · Replies 2 ·
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2

Graduate Net thermal radiation from an object outside at night

  • sian130
  • · Replies 5 ·
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5

Graduate What is the significance of enthalpy in constant pressure systems?

  • cnoa
  • · Replies 3 ·
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3

Graduate Quasistatic Process Explained: What is dH=δQ+Vdp?

  • sphyics
  • · Replies 1 ·
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1

Graduate Maximizing Solar Radiation Heat Transfer on High Altitude Materials

  • thespaceman
  • · Replies 7 ·
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7

Undergrad Heating with Microwaves: An Efficient Way to Warm Your Home?

  • Eugbug
  • · Replies 20 ·
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20

Undergrad Experiment with heated stretched springs.

  • Low-Q
  • · Replies 3 ·
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3

High School Motor bike engines acting as a gyroscope keeping the bike upright

  • Yoma
  • · Replies 1 ·
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1

Undergrad Question About Cooling Rate in Gun Barrels

  • Welding Rod
  • · Replies 7 ·
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7

Undergrad What Is a Perpetual Machine? | Thermodynamics Explained

  • Krishna0703
  • · Replies 3 ·
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3

Undergrad Can adiabatic process be isothermal process?

  • sphyics
  • · Replies 6 ·
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6

High School Calculating Volume & Pressure of Big Air Piston

  • FreakMath
  • · Replies 8 ·
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8

Graduate Can Entropy Be Reduced in a Spontaneous Thermodynamic Process?

  • jornrune
  • · Replies 1 ·
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1

Graduate What happens to entropy when mixing two gases with different properties?

  • jornrune
  • · Replies 2 ·
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2

High School From Celsius to Kelvin - why +273?

  • klng
  • · Replies 9 ·
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9

Undergrad Designing a Heat-Retaining Coat for Surviving -30°C Weather

  • fishingspree2
  • · Replies 6 ·
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6

Undergrad Pool heat gain by solar radiation versus heat loss by evaporation

  • chrisDH
  • · Replies 2 ·
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2

High School Impurities Impact Melting & Freezing: Explained

  • Jadaav
  • · Replies 7 ·
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7

Undergrad Newton's Third Law and Forces in an Elevator

  • Sammy101
  • · Replies 9 ·
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9

Graduate Is Brownian Motion Linked to Molecular Kinetic Energy Changes?

  • Noesis
  • · Replies 7 ·
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7

Undergrad Latent Heat of Vaporization /w Temperature

  • worwhite
  • · Replies 3 ·
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3

Undergrad What would the temperature limit of heating metal block?

  • tomothy
  • · Replies 3 ·
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3

High School How Much Energy is Spent Holding 1kg for an Hour?

  • jc.int
  • · Replies 4 ·
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4

Graduate Energy levels of nucleus in emitting radiation in MRI

  • opfphysics
  • · Replies 3 ·
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3

Undergrad Radiation from microwave ovens

  • gudny
  • · Replies 5 ·
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5

Undergrad Does microwave radiation linger inside a microwave oven?

  • Chaos' lil bro Order
  • · Replies 6 ·
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6

Undergrad Induction heating theory clarification

  • pstreufert
  • · Replies 1 ·
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1

Graduate What if we created plasma that ionizes at room temperature?

  • xastorm
  • · Replies 2 ·
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2

Graduate Why Rayleigh-Jeans Law Assumes E Field in Cavity is Zero

  • aim1732
  • · Replies 4 ·
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4

Undergrad Polytropic Processes: Reversible vs Irreversible

  • jason.bourne
  • · Replies 2 ·
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2

High School Understanding Specific Heat Units (hg-C)

  • scumbum22
  • · Replies 4 ·
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4

Graduate Calculating Heat: How to Apply Calculus for Accurate Results

  • s7b
  • · Replies 2 ·
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2

Undergrad (Thermodynamics) Why Do I Use U For Constant Volume and H For Constant Pressure

  • cnoa
  • · Replies 3 ·
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3

Undergrad Radiation in particle accelerator

  • wasi-uz-zaman
  • · Replies 2 ·
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2

Undergrad Equation measuring heat with temperature change, time and specific heat

  • jc.int
  • · Replies 7 ·
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7

Undergrad Radiation emitted by particles in accelerator

  • wasi-uz-zaman
  • · Replies 1 ·
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1

Undergrad Understanding Enthalpy and Temperature in Ideal Gas Systems

  • Rizer
  • · Replies 7 ·
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7

Graduate Questions about examples of why entropy is NOT disorder

  • GeorgeWBush
  • · Replies 7 ·
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7

Undergrad When does the change in enthelpy=change in internal energy?

  • LogicX
  • · Replies 1 ·
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1

Undergrad How Radiation rays ionize the air?

  • oem7110
  • · Replies 2 ·
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2

Undergrad Technical question about nucleation of beer?

  • steve0606
  • · Replies 3 ·
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3

Undergrad Pressure of a gas in atmospheres at different temperatures

  • anty
  • · Replies 10 ·
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10

Graduate Finding beta for the boltzman distribution.

  • center o bass
  • · Replies 3 ·
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3

Undergrad Newton's Third Law in an Elevator

  • Sammy101
  • · Replies 7 ·
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7

Graduate How fast do you have to heat air to create a shock wave?

  • Urza
  • · Replies 6 ·
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6

Graduate Interaction between blackbodies in relation to the second law

  • Shunyata
  • · Replies 2 ·
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2

Undergrad Variation of youngs modulus with temperature

  • Himal kharel
  • · Replies 3 ·
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3

High School Does Burning Material Create Ash and Smoke?

  • mvan4310
  • · Replies 3 ·
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3

Graduate Induction heating of a cylinder

  • Toftarn
  • · Replies 2 ·
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2

Undergrad How Does Switching the Battery and Galvanometer Affect a Wheatstone Bridge?

  • modulus
  • · Replies 1 ·
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1

Graduate Reference for the Temperature Dependent Speed of Sound in Common Solids

  • nahira
  • · Replies 7 ·
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7

High School Chloroform Expansion at 5°C-41°F to 35°C-95°F

  • jc.int
  • · Replies 1 ·
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1

Graduate First law of thermodynamics and quasi-static processes

  • jason.bourne
  • · Replies 9 ·
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9

Undergrad Ideal gas specific heat coefficients

  • johnsmith456
  • · Replies 2 ·
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2

Undergrad Heat exchange between body and environment

  • PavelDV
  • · Replies 1 ·
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1

High School What are pingos and how do they form?

  • sam paul
  • · Replies 8 ·
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8

Undergrad Does compressing a gas mean the temperature has to change?

  • zzinfinity
  • · Replies 7 ·
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7

Undergrad What is the Most Effective Angle for Blowing on Hot Coffee to Cool it Down?

  • curiouscow393
  • · Replies 12 ·
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12

Undergrad Caculating heat loss from cooling fins?

  • rsalmon
  • · Replies 2 ·
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2

Graduate Reducing the entropy of a closed system

  • antonima
  • · Replies 5 ·
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5

Graduate Pressure dependence of the Heat Capacity

  • Hypatio
  • · Replies 2 ·
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2

Graduate Calculate Gas Density at Vacuum & Water Content

  • Yuri B.
  • · Replies 19 ·
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19

Undergrad Enthelpy change of an isothermal expansion at constant pressure.

  • LogicX
  • · Replies 9 ·
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9

Undergrad Is Energy Lost During Weight Lifting?

  • Black Integra
  • · Replies 5 ·
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5

Undergrad Creating a Cooled CPU System for Over-Clocking

  • sampro
  • · Replies 8 ·
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8

Graduate H20 Molecular shift - what is the initial state just below the Dew Point

  • karen_lorr
  • · Replies 1 ·
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1

Graduate Phase diagram contradiction: why does vapor exist?

  • Confusus
  • · Replies 8 ·
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8

Graduate Derivation of sackur-tetrode equation

  • ralden
  • · Replies 3 ·
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3

Graduate Boltzmann distribution of two different gases

  • oguz
  • · Replies 1 ·
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1

Undergrad Pressure drops and Temperature changes

  • hpcycling2010
  • · Replies 2 ·
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2

Graduate Interface conditions for heat transfer

  • jens000
  • · Replies 4 ·
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4

Graduate What causes emissivity to be less than 1?

  • SDEric
  • · Replies 11 ·
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11

Graduate What is tha graph of carnot cycle

  • ralden
  • · Replies 3 ·
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3

Undergrad Do Particles Stop Radiating at Absolute Zero?

  • nouveau_riche
  • · Replies 1 ·
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1

Undergrad How to Calculate Volumetric Flow Rate from Pressure Change in a Chamber?

  • wadswwc
  • · Replies 1 ·
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1

Undergrad Can't understand what's thermal equilibrium

  • Tosh5457
  • · Replies 4 ·
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4

High School Heat Capacity Database: Find Common Substances Data

  • jc.int
  • · Replies 2 ·
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2

Undergrad Energy balance in hydraulic cylinder

  • mounith
  • · Replies 5 ·
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5

Graduate How do you head up a big can of plastic?

  • Dickie B
  • · Replies 1 ·
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1

Graduate Development of a thermodynamic property database hydrocarbons

  • johnsmith456
  • · Replies 1 ·
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1

Graduate Periodic heating of a glass of liquid

  • klawlor419
  • · Replies 8 ·
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8

Undergrad Can Newton's Third Law Of Motion Be Violated?

  • alexanderleg
  • · Replies 5 ·
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5

Undergrad Zeroth law of thermodynamics in terms of heat

  • Tosh5457
  • · Replies 1 ·
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1

Graduate Understanding Entropy,Enthelpy,Spontanity with example

  • numb_dumb
  • · Replies 7 ·
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7

High School Energy convertion - kinetic to heat

  • karen_lorr
  • · Replies 3 ·
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3

Undergrad Is my physics teacher mad? (global warming related)

  • sammo_boi
  • · Replies 2 ·
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2

Graduate Carnot's Theorem & Irreversible Heat Engines

  • nikolafmf
  • · Replies 2 ·
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2

Graduate Why Does the Van der Waals Equation Square the Number of Moles?

  • unscientific
  • · Replies 3 ·
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3

Undergrad The highest temperature reachable using the solar light as an energy source

  • wdlang
  • · Replies 8 ·
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8

Undergrad Metal alloys thermal conductivity

  • Pengwuino
  • · Replies 41 ·
2
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41

Graduate Radial temperature gradient of a black hole

  • kmarinas86
  • · Replies 6 ·
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6

Graduate Entropy changes: Thermal energy to work and (some) back to Thermal energy

  • kmarinas86
  • · Replies 2 ·
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2

Graduate Molecular phase shift in a non-enclosed area – how ?

  • karen_lorr
  • · Replies 3 ·
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3