Molecular Physics | Thermodynamics Answers

Find the angle between normal to the planes (111) and (121) in a cubic unit cell. 

Define the following terms:

i. Basis

ii. Primitive cell

iii. Brillouin zone

iv. Unit cell

v. Reciprocal lattice

What is entropy

In an engine cylinder a gas has a volumetric analysis of 13%CO2, 12.5%O2 and 74.5% N2. The temperature at the beginning of expansion is 9500C and gas mixture expands reversibly through a volume ratio of 8:1. According to the law pV1.2=constant. Find per kg of gas, the work done and the heat flow. Take Cp for CO2=1.235kJ/kg K and O2=1.088kJ/kg K and N2 is 1.172kJ/kg K.

Determine the force with which kerosene acts on a square plug with a cross-sectional area of ​​16 centimeters squared if the distance from the plug to the level of kerosene in the vessel is 400 millimeters

Show how the average energy in a Fermi gas can be expressed in terms of Ef0 

Explain rotational energy.

What is critical point.