02.Crystal_Struc_Submission

docx

School

Indiana University, Purdue University, Indianapolis *

*We aren’t endorsed by this school

Course

126

Subject

Chemistry

Date

Feb 20, 2024

Type

docx

Pages

Uploaded by DeaconIron847

Name Shreyaan Jain Section Number Laboratory Instructor Taylor Lourdermilk Date 02/01/2024 Crystalline Structure (just include answers with units on this sheet but include all calculations in lab notebook) A. Primitive Cubic Unit Cells 1. Polonium crystallizes in a primitive cubic unit cell. The side of a unit cell is measured through X-ray diffraction to be 3.80 Å. What is the radius of a polonium atom in Å? 1.2E-8 cm 2. What is the volume, cm 3 of a single polonium atom? (Assume that atoms are spherical. Do you remember what the formula for the volume of a sphere is?) 2.052E-22 cm3 3. What is the total volume, cm 3 of polonium atoms inside the unit cell? 2.05E-22 cm3 4. What is the volume of a unit cell of polonium, cm 3 ? (Do you remember the formula for the volume of a cube?) 54.78E-30 cm3 5. What is the percent of occupied volume in a unit cell of polonium? 10.8% 6. What is the mass, g of a unit cell of polonium? 3.481E-22 g 7. What is the density, g/cm 3 of a sample of polonium? 6.35E6 g/ml 6/16

8. What is the coordination number of an element that arranges in a primitive cubic unit cell? 6 B. Face-Centered Cubic Unit Cells (Show all work) 1. Aluminum crystallizes in a face-centered cubic unit cell. The density of aluminum is 4.05 g/cm 3 . What is the mass, g of aluminum in the unit cell? 1.79E-22 g 2. What is the volume, cm 3 of the unit cell in cubic centimeters? 6.603E-23 cm3 3. What is the side of the unit cell in centimeters? 4.05E-8 cm 4. What is the radius of aluminum in angstroms? 1.43E-8 cm 5. What is the total volume, cm 3 of aluminum atoms inside the unit cell? 1.34E-23 cm3 6. What is the percent of occupied volume in a unit cell of aluminum? 20.29% 6/16

7. What is the coordination number of an element that arranges in a face-centered cubic unit cell? 12 6/16

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

C. Body-Centered Cubic Unit Cells (Show all work) 1. An element crystallizes in a body-centered cubic unit cell. The radius of this element is found to be is 2.20Å. The density is 0.991 g/cm 3 . What is the side of the unit cell in centimeters? 4.68E-8 cm 2. What is the volume, cm 3 of the unit cell? 1.39E-22 cm3 3. How many moles of atoms are within one unit cell? 3.32E-24 moles 4. What is the molar mass of this element? 40.97 g/mol 5. Which element do you think that this is? Calcium 6. What is the total volume, cm 3 of this element inside the unit cell? 1.39E-22 cm3 7. What is the percent of occupied volume in a unit cell of this element? 100% 8. What is the coordination number of an element that arranges in a body-centered cubic unit cell? 6/16

8 6/16

Related Documents

PhysioEx Exercise 1 Activity 3.pdf

Web Problem Set 1 - Thermodynamics_ CHEM 205 ALL LECTURES 2023W2 Physical Chemistry.pdf

Ch-02 Sample Questions.xlsx

M13-Kinetics_DiscPkt_KEY_1-23.pdf

03 PreLab_Kinetics2-Erio_KEY (2).pdf

M12-Organic_DiscPkt_KEY_all.pdf

lifespan ch 13 quiz.docx

Week 7 Lab Gas Laws Pre-Lab Quiz.pdf

Calculations REVIEW SHEET for Final Exam.docx

CHEM 418 quiz 2 2024.pdf

sulfur polymer worksheet - Tagged.pdf

Spectroscopic identification worksheet - Tagged.pdf

Recommended textbooks for you

Chemistry & Chemical Reactivity

Chemistry

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:Cengage Learning

Chemistry & Chemical Reactivity

Chemistry

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:Cengage Learning

Chemistry: Principles and Practice

Chemistry

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Cengage Learning

Chemistry: The Molecular Science

Chemistry

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:Cengage Learning

Principles of Modern Chemistry

Chemistry

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:Cengage Learning

Chemistry

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Cengage Learning

SEE MORE TEXTBOOKS

Recommended textbooks for you

Chemistry & Chemical Reactivity
Chemistry
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
Principles of Modern Chemistry
Chemistry
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:Cengage Learning
Chemistry
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning