Matter. Properties and Composition. http://z.about.com/d/chemistry/1/0/x/c/transitionmetalsolns.jpg. So What is Matter?. Anything that occupies space and has mass What isn’t mass? Energy Ideas Sound And…. Properties.
Properties and Composition
What isn’t mass?
mass, color, freezing point
iron rusts, paper burns
color, solubility, viscosity, malleability, boiling point, density
mass, volume, length
melting, subliming, dissolving
burning, oxidation of metal
From Silberberg, Principles of Chemistry, 2007
CHM 1010 PGCC Barbara A. Gage
Decide whether each of the following process is primarily a physical or a chemical change, and explain briefly:
Distinguishing Between Physical and Chemical Change
(a) Frost forms as the temperature drops on a humid winter night.
(b) A cornstalk grows from a seed that is watered and fertilized.
(c) Dynamite explodes to form a mixture of gases.
(d) Perspiration evaporates when you relax after jogging.
(e) A silver fork tarnishes slowly in air.
(a) physical change
(b) chemical change
(c) chemical change
(d) physical change
(e) chemical change