A particular form of cinnabar (HgS) adopts the zinc blendestructure. The length of the unit cell edge is 5.852 Å.(a) Calculate the density of HgS in this form. (b) The mineraltiemannite (HgSe) also forms a solid phase with the zincblende structure. The length of the unit cell edge in thismineral is 6.085 Å. What accounts for the larger unit celllength in tiemmanite? (c) Which of the two substances hasthe higher density? How do you account for the differencein densities?

A particular form of cinnabar (HgS) adopts the zinc blendestructure. The length of the unit cell edge is 5.852 Å.(a) Calculate the density of HgS in this form. (b) The mineraltiemannite (HgSe) also forms a solid phase with the zincblende structure. The length of the unit cell edge in thismineral is 6.085 Å. What accounts for the larger unit celllength in tiemmanite? (c) Which of the two substances hasthe higher density? How do you account for the differencein densities?

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

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

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

Chapter22: Inorganic Materials

Section: Chapter Questions

Problem 44AP

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