Chemistry Reference
In-Depth Information
As you continue to study chemistry, you will have the opportunity to
observe many chemical reactions. Use these opportunities to apply the in-
formation that you have learned in this chapter.
Now, try the following practice questions and check your answers at
the end of the chapter, before moving on to the next lesson.
Lesson 1-5 Review
1. _______________ energy is the energy required to get a chemical
reaction started.
2. _______________ reactions result in products at a higher energy level
than the initial reactants.
3. _______________ is defined as the ability to do work.
4. _______________ energy is the energy of matter in motion.
5.
Select the correct formula for gravitational potential energy.
a) 1/2mv
2
b) 2mv
c) mvh
d) mgh
6.
Is it possible for a baseball to have more kinetic energy than a truck?
7.
Is it possible for a baseball to have more gravitational potential
energy than a truck?
Chapter 1 Examination
Part I—Matching
Match the following terms to the definitions that follow. Not all of the
terms will be used.
a. substance
b. matter
c. compound
d. mixture
e. aqueous
f. physical property
g. element
h. chemical property
i. physical change
j. chemical change
k. intensive property
l. extensive property
m. work
n. energy
o. kinetic energy
p. exothermic reaction
q. endothermic reaction
r. activation energy
s. ternary compound
t. binary compound
u. monatomic element
v. diatomic element
