Recent questions in Thermodynamics

+12 votes

0 answers

If it takes 5 minutes for an object to reach a temperature of 25 C at 1 ATM, how long would it take to reach the same temperature in a vacuum?

asked Feb 10, 2023 in Thermodynamics by Plumbluck

+198 votes

0 answers

Why do we take time between consecutive collisions on the same wall in derivation of pressure exerted by ideal gas on container by one molecule?

asked Feb 10, 2023 in Thermodynamics by Suhayb Manzoor

+40 votes

0 answers

What is the reason that the maximum cooling temperature of air conditioners is 17°C only?

asked Feb 10, 2023 in Thermodynamics by NovaMystic

+23 votes

0 answers

Can an organism evolve without violating either or both laws of thermodynamics? If so, then what are they and why do they happen?

asked Feb 10, 2023 in Thermodynamics by CrystalScribe (2.7k points)

+19 votes

0 answers

The enthalpy and entropy change of a reaction are -3.9 kJ/mole and +56.6 J/mole K respectively at 25°C. What is the free energy change in kJ/mole? Is this reaction always spontaneous, never spontaneous or does it depend on the temperature?

asked Feb 10, 2023 in Thermodynamics by LunarWhirl

+27 votes

0 answers

When boiling water on a stove, why does the water stop boiling almost immediately after taking it off the heat source if it’s still at the same boiling point temperature?

asked Feb 10, 2023 in Thermodynamics by SeraphicCharm

+17 votes

0 answers

How does the skin regulate temperature?

asked Feb 10, 2023 in Thermodynamics by EmberSculptor

+19 votes

0 answers

If liquid water at 20°C was in a vacuum chamber, would the lack of atmospheric pressure affect its final vapour pressure? I've heard it would remain unaffected, & reach 17mmHg, like it would in 1 Bar air, if there was enough water. Is this true?

asked Feb 10, 2023 in Thermodynamics by HarryL1234

+26 votes

0 answers

If I turn the air conditioner to a colder temperature, which is "down" on the number scale, but "up" on a cooling scale, am I turning the A/C up or down?

asked Feb 10, 2023 in Thermodynamics by SolarisScribe

+13 votes

0 answers

Since entropy only increases in closed systems, if the universe is an open system, would this imply that the Universe is tending towards order?

asked Feb 10, 2023 in Thermodynamics by PhoenixVagabond

+19 votes

0 answers

Does water boil faster in a copper vessel than in an iron vessel at the same temperature?

asked Feb 10, 2023 in Thermodynamics by LunarTwilight

+8 votes

0 answers

Is it possible to detect moisture through thermography thermal imaging?

asked Feb 10, 2023 in Thermodynamics by Matthew Henderson

+264 votes

0 answers

What is the value of thermistor resistance at 25 degrees Celsius?

asked Feb 10, 2023 in Thermodynamics by che

+282 votes

0 answers

Which temperature is the coolest, -1°C or -12°C?

asked Jan 20, 2023 in Thermodynamics by NebulaSculptor

+312 votes

0 answers

Why is the most comfortable environmental temperature for human beings much below the body temperature (37 celsius)?

asked Jan 20, 2023 in Thermodynamics by JohnyB

+121 votes

0 answers

Why do we feel cool in a room with AC set to 23 degrees Celsius in summer, while feel warm in a room with heat also set to 23 degree in winter?

asked Jan 20, 2023 in Thermodynamics by Adam S

+235 votes

0 answers

Why is my Steam heat transfer machine temperature not increasing? I use 36 inches Two Lion Steam heat press iron and I noticed that the temperature remains at Nylon setting even when I set it to Linen

asked Jan 20, 2023 in Thermodynamics by LuminousEcho

+66 votes

0 answers

What is the difference between delta G and delta G0 (with reference to Gibbs Free Energy)?

asked Jan 20, 2023 in Thermodynamics by RadiantNova

+149 votes

0 answers

How is absolute zero measured as a universal constant across all parts of space and time (if possible)?

asked Jan 20, 2023 in Thermodynamics by tryin it all myself

+6 votes

0 answers

A 5 liter container sample of gas is collected at 27*C and 1.2 ATM pressure. The gas is to be transferred to a 3 L container at a pressure of 1 ATM. At what Celsius temperature must the gas be stored?

asked Jan 20, 2023 in Thermodynamics by maddawg

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