Chem Ch.1 Intro to Chemistry

Defined as anything that has mass and occupies space.

In which step of problem solving do you determine if your answer makes sense?

The study of the mechanism, rate, & energy transfer that occurs when matter undergoes a change.

Chemistry overlaps with all of the other sciences.

Research that is directed toward a practical goal or application.

Most elements exist in chemical compounds held together by ________.

When scientists say that a theory has never been proved, they are saying that it is unreliable.

The area of study that focuses on the composition of matter.

An example of biotechnology would be:

The study of processes that take place in living organisms.

Who is credited with transforming chemistry from a science of observation to one of measurement

The variable that you change, or manipulate during an experiment.

The pursuit of chemical knowlege for its own sake.

Every chemical process uses or produces energy.

What is a hypothesis?

Defined as the study of all chemicals containing carbon.

A logical systematic approach to the solution of a scientific problem.

The type of products obtained in a chemical reaction is determined by the reactants'  ________.

Defined as the study of chemicals that, in general, do NOT contain carbon.

Why do people study chemistry?

A representation of an object or and event.

Which step of problem solving identifies the knowns and unknowns of the problem?

A well-tested explanation for a broad set of observations.

The means by which a society provides its members with those things needed and desired.

The variable that is observed during an experiment.

Which career would require some understanding of chemistry?

Kinetic Theory states that particles of matter are:

Which area of study would you use to determine the components of an unknown substance?

When you use your senses to obtain information.

A concise statement that summarizes the results of many observations and experiments.

Collaboration among scientists decreases the likelihood of a successful outcome.

The SI unit used to quantify matter.

The study of the composition of matter and the changes that matter undergoes.

The scientific method includes:

A proposed explanation for an observation.

Chemical reactions occur when: