Recent questions in Thermodynamics

+17 votes

0 answers

On AC units, why is 20°C on cold mode colder than 20 °C on warm mode? Why isn’t it the same temperature?

asked Nov 12, 2022 in Thermodynamics by aml1989

+6 votes

0 answers

What is the term for the transfer of heat between two objects in contact?

asked Nov 12, 2022 in Thermodynamics by Bigdavuk94

+6 votes

0 answers

If the earth's core is magma, why don't we just drill down and capture the thermal energy, convert it to steam and turn some turbines for free energy?

asked Nov 12, 2022 in Thermodynamics by mantor

+78 votes

0 answers

What would happen if the suns surface temperature suddenly increased to 8000,000,000,000, 000,000,000,000 kelvin?

asked Nov 12, 2022 in Thermodynamics by Stephen768

+86 votes

0 answers

Does decreasing the A/C temperature increase the electricity bill?

asked Nov 11, 2022 in Thermodynamics by CrystalSculptor

+19 votes

0 answers

When does the refrigeration cycle repeat?

asked Nov 11, 2022 in Thermodynamics by diyer1

+87 votes

0 answers

Does a chiller work like a heat pump? What is difference between heat pump and chiller?

asked Nov 11, 2022 in Thermodynamics by tricky13

+87 votes

0 answers

Is the 2nd law of thermodynamics the result of some asymmetry in the laws of physics, or is it just based on the sum total of empirical observations made by physicists throughout history?

asked Nov 11, 2022 in Thermodynamics by UKSPEED

+19 votes

0 answers

How do air conditioners cool air so fast?

asked Nov 11, 2022 in Thermodynamics by SeraphicSculptor

+18 votes

0 answers

Is 40-45 degrees Celsius too hot for a smartphone, or is it normal? What are the effects?

asked Nov 11, 2022 in Thermodynamics by Bob

+9 votes

0 answers

Why do we use both heat and irradiation in sterilization processes? What is the difference between heat and irradiation?

asked Nov 10, 2022 in Thermodynamics by brionjames60

+24 votes

0 answers

From a 1 kg sample of wood, 40kj of heat is added, and its temperature is found to rise from 20 to 44c. What is the specific heat capacity of the wood?

asked Nov 10, 2022 in Thermodynamics by BonzoTheDog

+67 votes

0 answers

What is the best way to keep energy levels high throughout the day?

asked Nov 10, 2022 in Thermodynamics by LunarTwilight (1.7k points)

+18 votes

0 answers

According to the Fahrenheit scale, we can classify the temperatures of the 40s as chilly, 50s as cool, 60s as mild, 70s as warm, 80s as hot, 90s as very hot, etc. Isn't Fahrenheit more useful than Celsius in meteorology?

asked Nov 10, 2022 in Thermodynamics by peter palmer

+306 votes

0 answers

If the universe is in a state of disorder (entropy), how did it create the organized structure of an atom?

asked Nov 10, 2022 in Thermodynamics by wgr

+205 votes

0 answers

For an ideal gas at fixed temperature and pressure, will the total energy increase or decrease with increasing/decreasing size of the system?

asked Oct 20, 2022 in Thermodynamics by leadingcatch

+116 votes

0 answers

How does a compressure decrease volume at constant pressure?

asked Oct 20, 2022 in Thermodynamics by liite123

+15 votes

0 answers

Why doesn’t the heat of the Sun melt the clouds?

asked Oct 20, 2022 in Thermodynamics by Befair

+27 votes

0 answers

Would a metal rod glow blue if it was heated to the required temperature? (In this hypothetical scenario, the metal is made to not melt or evaporate)

asked Oct 20, 2022 in Thermodynamics by jeeves40

+5 votes

0 answers

Many older buildings have heat radiators below the windows. If the windows are open a little (for fresh air) won't some of that heat rise and go out the window or is the air movement more downwards because cold air sinks?

asked Oct 20, 2022 in Thermodynamics by james mcglade

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