Chapter 2, Problem 11STP

Interpretation Introduction

Interpretation: One physical property and one chemical property of wood needs to be explained.

Concept Introduction:The nature of any substance is explained by their chemical properties and physical properties. A physical property describes the physical changes of a substance. Physical change is a temporary change; it is a reversible change. A chemical property describes how a substance reacts with other substances. In a chemical change, a new substance is formed and absorption of energy or loss of energy occurs; it is an irreversible change.

Answer to Problem 11STP

Physical property of wood:It has rough texture.

Chemical property of wood: It is combustible.

Explanation of Solution

Physical properties of wood:

• The texture/hardness of wood is rough.
• The color of wood is brown.

Chemical properties of wood:

• The wood is combustible.
• Wood is made up of about cellulose.