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- Q3. according to your study to the shell model, answer the following 3. Write the ground state configuration of protons and neutrons for ^ 19 F, ^ 33 S and 55Mn?the n= tate. vels for Hydrogen. rbed photon? + tion from the thi 4. A light bulb used in a slide projector draws a current of 6 amperes when operating on 120 volts. a. What is the resistance of the light bulbs in ohms? b. What is the power consumed by the light bulb in watts? C. If two identical slide projectors are connected in parallel across the same 120 Volt source, what is the total current drawn from the source?Given that 0.750 mol of a particular atom all release an identical photon, resulting in a total energy change of -176.0 kJ. Answer the following: (Hint: n does not equal 1 here) a. What is the wavelength of the photons released? b. What is the frequency of these photons? c. What region of the electromagnetic spectrum is this emitted photon in?
- 35284222W60-1 111w21a.pdf wnload p111w21a.pdf (113 KB) 1. Assume that the 195PP crystal in the electron microscope image at right has a density of 21.45g/cc, and that the planes of atoms seen edge-on are ~2.3A = 0.23nm аpart. 1a) What do you estimate for the diameter of the particle, assuming that it is a sphere? 1b) From that diameter, what do you estimate for the mass of the particle in kilograms? le w 16 FEB1. Neutrons produced in a reactor are known as thermal neutrons because their kinetic 3 -kT where T is room 2 energies have been reduced (by collisions) until K = temperature. a) What is the kinetic energy of such neutrons? b) What is the the de Broglie wavelength of such neutrons? Comment on how this compares to the lattice spacing of solids. Would such neutrons be useful for studying solid lattices?Q. 1. What is the reason behind the glow in metals? How Plank’s formulated the energy in blackbody radiation emission?
- Calculate the wavelength of a.) a neutron with a translational kinetic energy equal to kT at 298 K. b.) Usain Bolt travelling at a speed of 10.44 m/s weighing 94 kg.Week 1 Assignment Part 2 - PHSO V01 1. Match the parts of an atom in the left column with all the phrases in the right column that describes it. A phrase may be used more than once. On the line in the left column next to the parts of the atom, please just label the letter of the phrase that matches the parts of the atom. 1. electron 2. neutron This assignment is due on 8/23 at 11:59pm PST. Please submit as a scanned PDF on Canvas. 3. proton A) one has atomic mass B) found in the nucleus C) negatively charged D) changing the number of these in an atom creates a new element E) adding or losing these makes an atom into an ion F) gain or loss of these makes an isotope of the same element G) determine(s) an element's atomic number H) contribute(s) to an element's atomic mass1. What is the total energy of a proton whose kinetic energy is 4.65 GeV? What is it's wavelength? 2. Which is better for resolving details of the nucleus: 25-MeV alpha particles, or 25-MeV protons? Compare each of their wavelengths with the size of a nucleus.
- What is Quantum nuclear effect? Describe briefly.What is the de-Broglie wavelength of a nitrogen molecule in air at 300 K? Assume that the molecule is moving with the root-mean-square speed of molecules at this temperature. (Atomic mass of nitrogen = 14.0076 u) 16. mmo onood1. Starting with the equation = -S, derive four equivalent fundamental aT. equations that are called the Gibbs-Helmholtz equations. 2. Starting from the relation G = G (T,p), derive the equations for: a. the temperature dependence of G b. the pressure dependence of G