Worksheet Boltzmann Distribution Applications

Boltzmann distribution describes the relative populations. In this regard, the system behaves as if it has a continuous energy spectrum if (Note: Choose all correct answers) A. ΔΕ B. ΔΕ kgT kgT %3D D. The relative population is a function of enerav spacina. temperature and deaeneracv. A O D O

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Describe how the hydrogen atom might absorb a photon of energy less than 13.6 eV. Describe a process by which a 9.8-eV photon might be absorbed. What about a 15.2-eV photon?

Midterm G Which of the following cc locs.google.com/forms/d/e/1FAlpQLSehenyKBfzpwA6Ba1LyJILHfOLpHNWF menian America... yyyyyyyyyu E Untitled document -. Alpha particles are electrons helium nuclei negative neutral When an elecuon moves

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Describe the relationship between particle-wall collisions and pressure.

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1. What is the volume of a tank that can hold 18 754 Kg of methanol whose density is 0.788g/cm³? Answer in kg/cm³ Answer in g/cm³ What is the correct significant figures i. ii. iii. 2. Choose if it's carbon, nitrogen or silicon. i. iii. iv. V. Which is the largest ionization energy? Carbon, nitrogen or Silicon? Which is the largest atomic size? Carbon, nitrogen or Silicon? Which is the least electron affinity? Carbon, nitrogen or Silicon? Which is the smallest electronegativity? Carbon, nitrogen or Silicon? Which is the most non-metallic element? Carbon, nitrogen or Silicon?

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II. Power A. Sample Problems: 1 W-500 Joules t=25 seconds P=? 1 P=25 watts W-5000 Joules t=? 1 P=170 watts t=20 seconds W = ? bons Formula: Substitution: Answer with unit of measure: Formula: Substitution: Answer with unit of measure: Formula: Substitution: Answer with unit of measure: how I msidor siqma2 A 21519m 02-b W 1 If a man moves a large box that weighs 10 Newtons 20 meters in 30 seconds, how much power was used?

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Calculate BE/A for 14C . Is the difference in BE/A between 12C and 14C significant? One is stable and common, and the other is unstable and rare.

1. What is the Fermi energy (EF) for the electrons in a white dwarf of radius R = 10-2 R and M = 1 Mo in units of MeV? Assume the star is composed of heavy elements for which mu = 2. You will want to assume a constant density for the star.

2.1 Determine the wavelength of photon emitted when an electron moves from n = 2 orbit to n = 1 orbit in a gold atom. If Z is the atomic number, and for gold Z = 79. Also, by how much energy will the bombarding electrons excite the gold atom to radiate this emission line?

Calculate the fraction of atom sites that are vacant for the material at its melting temperature of 570 K. The energy for vacancy formation is 0.56 eV/atom, and Boltzmann's constant, K=8.62x105 eV/atom-K. O a. 1.11 x10-5 O b. 1.36 x10-5 O c. 1.32 x10-5 O d. 1.22 x10-5

Q4 // Barium has a crystalline structure BCC, atomic radius of (0.217nm) and atomic weight A = 137.33amu Calculate the theoretical density of barium.

1- CHOOSE THE CORRECT ANSWER: When we raise the electrons from lower level to upper level. This process is called [ (a) Amplification (b) pumping (c) emission] 2- What are cluster applications ??

Direction: 1.Determine the number of electron,proton,and neutron in an atom, positive ions(cation)and negative ions(anion). 2. Draw the subatomic particles in proper location inside an atom/anion/cation. 3. Write your answer inside the box and use the symbol of electron, neutron and proton given below.

6 Chapter 5 Latent Heat of Fusion and Vap x M Search results - sm15461@auis x t Summer 2022 Course Schedul x O Latent heat practice problems x + A Ims.auis.edu.krd/pluginfile.php/33664/mod_resource/content/2/Chapter%205%232.pdf Chapter 5 38 / 72 | - 100% + | H Homtabatancema of sion H mL. Determine the amount of heat required to increase the temperature of a 3.82-gram sample of solid para-dichlorobenzene from 24°C to its liquid state at 75°C. Para-dichlorobenzene has a melting point of 54°C 34 Lent Heat of eoriation teedede Mt ar u Hto malaadtancemass xet hea Specific heat capacities of soild para-dichlorobenzen: 1.01 J/g/°C Specific heat capacities of para-dichlorobenzene liquid: 1.19 J/g/°c 35 • Para-dichlorobenzene latent heat of fusion of = 124 J/g Laent et het tmle the antof heat ycg hndageat Tagal - 20 684.9 J 36 37 5| 38 38 L thermochemistr..pptx Show All II

3. Kittel, Ch4-7. Free energy of photon gas. (a) Show that the partition function of a photon gas is given by z = II n II [1-exp(-ħw/T)]¯'. where the product is over the modes n. (b) The Helmholtz free energy is found directly from (53) as F = T log[1-exp(-ħw, /T)]. F = 71 Transform of the sum to an integral; integrate by parts to find T² VT 3 3 45ħ³c³ (53) (54) (55)

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