How does mean free path vary with temperature and pressure?

Q: calculate density of air at 100 degrees Celsius and 2.105 Pa.

A:

Q: The average temp of the universe is -270.4 degrees Celcius. What is the answer in kelvin?

A: Temperature of universe in degree celcius  T = - 270.4 ° C  We need to find it in Kelvin

Q: eeded for the bell wire if it is s

A: Given: The answer is shown as:

Q: Moon got no atmosphere on it. Why?

A: Atmosphere is the collection of layers of gases around a planet (or) any other material body. These…

Q: 105 oF (a Fahrenheit temperature) is degrees on the Celsius scale and degrees on the Kelvin scale.

A:

Q: Where does 22.4 L come from?

A:

Q: Consider a car radiator at 115°C in a 49°C environment and the exchange of heat between them by…

A: Temperature of the car,  Temperature of the environment,  Emissivity of the surface,  Surface area,…

Q: Answer the following question with full solution and details: How short should a day be if we want…

A: When an object moves in circular path it requires centripetal force which is provided by already…

Q: If you have 200 meters of fence material, what is the largest radius of circle it can enclosed?

A: Given : We have 200 m of fence material. We have to find the largest radius of circle, that it can…

Q: What is the Kelvin temperature that is equivalent to 400 °

A: Given question: What is the Kelvin temperature that is equivalent to 400 °C?

Q: At 96° F the saturation density of air is 0.04 kg/m3. If the weather report says the relative…

A: This question can be solved by using the concept of relative humidity and vapour density.

Q: 1350 Watts for a period of 25 minutes How many Joules is this? Thank you!

A: Given data:  Power (P) = 1350 W Time (t) = 25 min Required: Energy (E) in Joules

Q: How much heat is required to heat 2 kg of ice from -30 degrees of Celsius to water at 20C degrees of…

A: Mass of Ice is M = 2 kg  Initial temperature of the ice is Ti = - 30 oC

Q: Why is it advisable to allow telephone wires to sag when stringing them between poles in summer?

A: Why is it advisable to allow telephone wires to sag when stringing them between poles in summer?