Chapter 1

Question 1

1-1

Answer 1

Chemistry can be divided into 5 traditional areas of study: organic chemistry, inorganic chemistry, biochemistry, analytical chemistry, and physical chemistry

Question 2

1-1

Answer 2

Pure research can lead directly to an application can exist before research is done to explain how it works

Question 3

1-1

Answer 3

Chemistry can be useful in explaining the natural world, preparing people for a career opportunities and producing informed citizens

Question 4

1-2

Answer 4

Chemists design materials to for specific needs. Chemists play an essential role in finding ways to conserve energy, produce energy and store energy

Question 5

1-2

Answer 5

Chemists supply the medicines, materials and technology that doctors use to treat patients. Chemists help to develop more productive crops and safer, more effective ways to protect crops.

Question 6

1-2

Answer 6

Chemist help to identify pollutants and prevent pollution.

Question 7

1-2

Answer 7

to study the universe, chemists gather data from afar and analyze matter that is brought back to earth.

Question 8

1-3

Answer 8

alchemists develop tools and techniques for working with chemicals

Question 9

1-3

Answer 9

Lavoisier helped to transform chemistry from a science of observation to the science of measurement that it is today

Question 10

1-3

Answer 10

steps in the scientific method include making observations testing hypotheses and developing theories

Question 11

1-3

Answer 11

when scientist collaborate and communicate they increase the likelihood of a successful outcome

Question 12

1-4

Answer 12

effective problem-solving always involves developing a plan and then implementing the plan

Question 13

1-4

Answer 13

The steps for solving a numeric word problem are analyze, calculate, and evaluate. The steps for solving a conceptual problem are analyze and solve

Question 14

1-1

Answer 14

Because living and nonliving things are made of mater, chemistry affects all aspects of life and most natural events