Recent questions in Thermodynamics

+3 votes

0 answers

What is the amount of substance, the mass of the gas and the number of molecules of gas in 2.8 dm³ of CO² at standard temperature and pressure?

asked Jan 20, 2023 in Thermodynamics by NovaMystic

+100 votes

0 answers

If you appeared as a blackbody at room temperature (273K), how hot would your surroundings have to be?

asked Jan 20, 2023 in Thermodynamics by Honourmish

+18 votes

0 answers

What types of temperature scales do scientists typically use?

asked Jan 20, 2023 in Thermodynamics by JimTiler

+288 votes

0 answers

How do you calculate the reduction in failure rate for operation at 50% voltage and 50% rated temperature, assuming a rated temperature of 20 degrees Celsius?

asked Jan 20, 2023 in Thermodynamics by DIYer32

+14 votes

0 answers

What is the intensity of heat required to start burning paper and wood materials?

asked Jan 20, 2023 in Thermodynamics by LuminousAlchemy

+10 votes

0 answers

Can an exothermic reaction have a positive value of ΔH? Can an endothermic reaction have a negative value of ΔH?

asked Jan 20, 2023 in Thermodynamics by Sara Richardson

+117 votes

0 answers

Why doesn't heat have any weight?

asked Jan 20, 2023 in Thermodynamics by MysticVerse

+5 votes

0 answers

Are there any innovative teaching techniques to explain the concept of entropy in thermodynamics?

asked Jan 20, 2023 in Thermodynamics by Marty.

+232 votes

0 answers

How long does it take for ice to melt at average room temperature?

asked Jan 20, 2023 in Thermodynamics by bath master

+13 votes

0 answers

How geothermal energy is formed?

asked Jan 19, 2023 in Thermodynamics by TempestDreamer

+1 vote

0 answers

I’ve failed thermodynamics 3 times and I took it in the summer and made an A. Will employers care? My major is mechanical engineering.

asked Jan 19, 2023 in Thermodynamics by SolarisTwilight

+210 votes

0 answers

How many grams of CaH2 are needed to generate 48.0 L of H2 gas at a pressure of 0.995 ATM and a temperature of 32°C?

asked Jan 19, 2023 in Thermodynamics by Cadishead67

+26 votes

0 answers

Suppose we have an reaction of the type A->2B with no enthalpy change and we started the reaction at 25°C. In a closed container, will the temperature of the system stay the same due to conservation of energy?

asked Jan 19, 2023 in Thermodynamics by sweatysuccessful

+16 votes

0 answers

What is the purpose of baffle plates in heat exchanger?

asked Jan 19, 2023 in Thermodynamics by accidentprofit

+3 votes

0 answers

The laws of thermal dynamics states that cold air sinks while heat travels upward. If this is the case, is putting a towel under the door so that the smell of weed doesn’t escape to the rest of the house just a myth?

asked Jan 19, 2023 in Thermodynamics by BoguslawO

+68 votes

0 answers

What is the future of heat transfer research?

asked Jan 19, 2023 in Thermodynamics by SolarisTwilight

+22 votes

0 answers

The upper temperature that gave rise to our universe is Tp = 1.417 × 10^32 K, which is less than infinity. So, what is the lower temperature T>0K that could cause the end of our universe, and is it dangerous to try to approach 0K?

asked Jan 19, 2023 in Thermodynamics by Emlyn

+20 votes

0 answers

An ideal gas at 484 K has a pressure of 103 kPa and a volume of 2.15m^3. What is the root mean square speed of a molecule in the gas if its mass is 2 * 10 ^ - 26 kg?

asked Jan 19, 2023 in Thermodynamics by MysticFlare

+143 votes

0 answers

A 4.82g of an unknown metal is heated to 115°C and then placed in 35mL of water at 28.7°C, which then heats up to 34.5°C. What is the specific heat of the metal? Ans. 21888.99 J/kg- °C 2189J / kg ° C

asked Jan 18, 2023 in Thermodynamics by leerey99

+84 votes

0 answers

Absolute zero is a minimum temperature. Is there a maximum temperature?

asked Jan 18, 2023 in Thermodynamics by SolarisWhirl (3.0k points)

Page:

« prev
1
...
33
34
35
36
37
38
39
...
82
next »

Recent questions in Thermodynamics

...