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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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Chapter
Section
BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

The unit cell of silicon carbide, SiC, is illustrated below.

  1. (a) In what type of unit cell are the (dark gray) C atoms arranged?
  2. (b) If one edge of the silicon carbide unit cell is 436.0 pm, what is the calculated density of this compound?

images

A portion of the solid-state structure of silicon carbide.

(a)

Interpretation Introduction

Interpretation:

Type of unit cell where images atoms are arranged has to be calculated.

Concept introduction:

The face-centered cubic arrangement, the FCC atoms are located at each of the corners and the centers of all the cube faces.

Explanation

The unit cell for the

(b)

Interpretation Introduction

Interpretation:

The density of images has to be calculated.

Concept introduction:

The volume of the atom is given below,

images

The density of the unit cell is calculated as follows,

images

images

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