Molecular Physics | Thermodynamics Answers

There is a 50 meter long train. It magically goes at 60% the speed of light (0.6c). How long will it appear to be to an outside observer?

the heat required to raise the temperature of 30kg of copper from 12 degrees Celsius to 70 degrees Celcius

How does the spin-orbit interaction lead to the observed fine-structure

splitting of the spectral lines of the hydrogen atom?

The resistance of the conductor is 20ohms at 20°C and 50ohms at 500°C. Calculate the resist of these conductor at 80°C

The temperature of 4.5kg of water is raised from 15 degrees to 100 degrees at constant atmospheric pressure. The specific heat capacity of water is 4.18kj/kgK. Determine the heat transfer required

An object weighs 294.9N on a planet where the acceleration due to gravity is 4.9m/s². What is its weight (in N) on earth?

one mole of an ideal of monoatomic gas geos throught a cycle in a heat engine process Z is isobaric, process x is isochoric, and process y is adiabatic find the heat absorbed or release

Find the minimum kinetic energy (in MeV) in the lab system needed by an alpha particle to cause

the reaction:

7𝑁

14 + 𝛼 → 8𝑂

17 + 1𝐻

1

Given that: m(

14N) = 14.00307 u; m(α) 4.003879 u; m(

1H) = 1.00783 u; m(

17O) = 17.0013 u;

1 𝑢 = 931.5 𝑀𝑒𝑉/𝑐

2

A spherical shaped vessel of 2 m diameter is 90 mm thick. Find the rate of heat leakage, if the temperature difference between the inner and outer surfaces is 220°C Thermal conductivity of the material of the sphere is 0.09 W/m°C.

Find the minimum kinetic energy (in MeV) in the lab system needed by an alpha particle to cause

the reaction:

7𝑁

14 + 𝛼 → 8𝑂

17 + 1𝐻

1

Given that: m(

14N) = 14.00307 u; m(α) 4.003879 u; m(

1H) = 1.00783 u; m(

17O) = 17.0013 u;

1 𝑢 = 931.5 𝑀𝑒𝑉/𝑐

2