Recent content by acusanelli

Homework Statement An aluminum bottle weighs 10 kg when empty and has an internal volume of 20 liters. It is filled with 5 kg of propane (C3H8) at 24 °C. The aluminum bottle is rated for a maximum pressure of 35 bar at which point a relief valve is opened. a) What are the initial...

thats because I don't know how to set the problem up, i pulled those equations out of the book and am not sure what I am doing

well if i know the fermi energy for copper is 7ev then how do i set up and solve for b?

Homework Statement a) Consider a sample of hydrogen atoms at a temperature of 300 K. i) What is the ratio of the number of atoms in the n = 2 energy level to those in the n = 1 level? ii) At what temperature would the ratio be 1/10? b) Assume that the conduction electrons in...

that was all i was given to work with

Homework Statement a) Identify the different total angular momentum states possible for the case l = 3, s = ½. b) What is the minimum angle the angular momentum vector may make with the z-axis in the case of i) l = 3 and ii) l = 1? c) A hydrogen atom in its ground state is subjected...

Homework Statement a) Calculate the Fermi energy for copper. b) Calculate the ratio of the number of occupied levels at an energy of 8.5 eV to the number occupied levels at the Fermi energy at room temperature. c) Based on your answer to a) and b) above, show that at room temperature...

Homework Statement A particle experiences a potential energy given by U (x) = (x2 – 3)e- x^2 a) . What is the maximum energy the particle could have and yet be bound? b) What is the maximum energy the particle could have and yet be bound for a considerable length of time? c)...

Homework Statement Suppose that a particle of mass m is confined to move in the x-y plane in a 2-dimensional box of length Lx = L and LY = ½ L. Calculate the energies of the six lowest states. Homework Equations not sure to set up this problem? The Attempt at a Solution the most...