1. In thermodynamics what does it mean that a system is taken through a series of small steps?
  2. Nusselt Number Correlation of long cylinder in axial flow
  3. How much does sunlight affect inside temperature?

  4. Extreme life - energy source for living tens of kilometers underground?
  5. Internal energy, entropy, and enthalpy of in-compressible fluid

  6. Collision rate of Brownian particles with a surface

  7. Water evaporation rate: temperature vs humidity

  8. What is the work done by an ideal gas?

  9. What is the reason for this pattern of noise in electric kettles?

  10. If water is exposed to a vacuum, will the non-vaporized water be at a lower temperature than the water vapor?

  11. Would it be possible to concentrate thermal energy of a water bath?

  12. Why isn't the Sun blue?

  13. Temperature loss of a moving object

  14. Thermoelectric diffusion equation
  15. Basic Thermodynamics: Quasistatic Adiabatic Process
  16. What can I do to be invisible for the IR-camera on board of a police helicopter?
  17. rms speed of molecules in a gas: formula from density and pressure
  18. HVAC enegery balance confusion
  19. Hot water molecules from a cup

  20. Thermodynamics Rate of Heat Transfer Question!

  21. Do all materials get warmed by the sun, or do there exist materials which reflect the major part of the IR radiation?

  22. Comparison between isobaric, isothermal and adiabatic expansion

  23. Calorimetry Problem
  24. Why does the temperature of water stay steady at 80 degrees Celsius when heated?
  25. Why is the internal energy of a system a linear transformation of the extensive variables?

  26. Where does the energy go?

  27. Maxwell-Boltzmann distribution, average speed in one direction

  28. Temperature distribution in a cylinder with no heat generation

  29. For ideal classical gasses, in terms of the energy levels why do we ignore whether the particles are fermions or bosons?
  30. Spontaneity / Free Energy of Non-Isothermal Process
  31. What value does $\Phi$ take in this formula for ideal gas entropy?

  32. How can removing energy from a system do work? (ice)

  33. Boltzmann-maxwell distribution
  34. On Ricci flow and 'nonlinear relativistic heat equation

  35. Change in internal energy if temperature is constant and some moles of the gas dissociate

  36. Does a negative line tension in a 3-fluid immiscible interface make sense?
  37. Newton's law of cooling for the heat equation boundary condition

  38. Heat capacity across a phase transition-inconsistency?

  39. Harnessing / Controlling uncontrollable Fire (Forest Fire)

  40. Effect on increasing pressure of boiler in an ideal Rankine cycle

  41. Boltzmann Distribution of Electrons in Confining Potential

  42. What is the relation of particle velocity, temperature, and reaction activation energy

  43. Letting air out of a balloon
  44. Why did Poincaré's recurrence theorem represent Harm to Kinetic Theory of Gases?

  45. Temperature of object in space due to background radiation

  46. Squared d'Alembert Operator

  47. High Temperature Thermal Superconductivity

  48. Non-linear graph getting from an experiment finding the enthalpy of vaporization of LN
  49. Why do power stations use steam to drive turbines?

  50. Is reversible adiabatic process possible?
  51. Amount of CO2 required per minute to chill unit of wet air

  52. Deriving Enthalpy from Statistical Mechanics

  53. What governs the temperature rise inside an oven?
  54. Calculate the power required to heat air in a plaster enclosure
  55. Integrating factor for heat differential

  56. Acceleration of a container in thermodynamics
  57. Redo the experiment 'Reversal of thermodynamic arrow of time'

  58. Thermal state vs equibilibrium state

  59. Entropy of the cosmological constant and the laws of thermodynamics?

  60. Specific Internal Energy Decreases with Increasing Pressure?

  61. Pressure derivative of bulk modulus
  62. When the low $T$ reservoir with negative temperture (Kelvin), e.g. in Ising lattice, will the efficiency of ideal heat engine be larger than 1?
  63. Dissipation and first law of thermodynamics

  64. Definition of heat capacity in thermodynamics
  65. Why does time always flow forward?

  66. What is the difference between thermal conduction and just conduction?

  67. Cooling power of CO2 being released from a gas bottle
  68. Calculate Heat capacity with temperature and total energy

  69. Does the thermal efficiency depend on the reversibility of the engine when isochoric or isobaric processes are involved?
  70. how thermos flask get broken when subjected to cold water?
  71. How to maximize Peltier devices' cooling capacity?
  72. Efficiency of any machine

  73. Tongue and frozen metal

  74. The effects of heat and work on a system
  75. Finding total thermal conductivity (Ksys) for n-number of connected materials
  76. Will a vinegar and water mixture prevent ice from forming?

  77. Conservation of energy when focusing black body radiation on another black body

  78. How to calculate the efficiency from a p-v diagram (thermodynamics)

  79. Thermodynamics - Heat transfer to a pipe containing a static fluid within an air plenum

  80. Concavity of an Eutropic Function. Ideal Gas

  81. Matter state between liquid and gas
  82. Is each level of ionization in a plasma a separate phase?

  83. Why does ice cream get harder when colder?
  84. Why are bricks used in storage heaters instead of water?

  85. The colder the fridge is the more cooling power it provides. true or false?

  86. Expression for the work done on a magnetic dipole

  87. Thermodynamic energy equation

  88. isothermal compression of water and definition of temperature

  89. Keeping a beverage cool

  90. How long does it take a warm object to cool in air?
  91. Calculating the Specific Change in Enthalpy during Processes Involving a Turbine

  92. Alternative formula for specific heat

  93. Time in heat transformation
  94. Physical Intuition for thermodynamic limit of the average occupancy, $\langle N\rangle$, of an orbital
  95. Paramagnetic/ferromagnetic transition under a magnetic field

  96. Thermodynamics, chaperones : How to model polymer fragmentation

  97. What is the overall rate of heat conduction through two pipes of different dimensions if the thermal conductivity is not constant?

  98. What is the relation between fluctuations, temperature and time dilation?
  99. How to estimating the heating cost of an open bathroom window?

  100. Thermodynamics and Newton's second law