Exam 11: Investigating Matter

The following three boxes represent the number of submicroscopic particles within a given volume of a particular substance at different temperatures. Which box represents the greatest density? Which box represents the greatest temperature?

What do members of the Chemical Manufacturers Association pledge in the Responsible Care program?

Which of the following would not be considered a physical property?

When liquids change to a solid phase, they

Which statement best describes a compound?

Which of the following would not be considered matter?

To say that evaporation is a cooling process is to say that the

Nanotechnology may play an important role in the development of

How would you describe the size of the following object? a blood cell

Gases are so much easier to squeeze into smaller volumes than liquids or solids because

Is chemistry the study of the submicroscopic, the microscopic, or the macroscopic, or all three?

Compared to a glass of ice water with ice in it, a glass of plain ice-cold water without ice on a warm day will warm up

The systematic names for water, ammonia, and methane are dihydrogen monoxide, H₂O; trihydrogen nitride, NH₃; and tetrahydrogen carbide, CH₄. Why do most people, including chemists, prefer to use the common names for these compounds?

Which of the following would not be considered a chemical property?

The diagram on the far left shows the moving particles of a gaseous material within a rigid container. Which of the three boxes on the right best represents this material upon the addition of heat?

The molecules of a gas at room temperature move at about

How many atoms of Oxygen (O)are in H₃OClO₄?

A solid is not considered fluid because

Microtechnology began

How many atoms are in one molecule of Na2SO₄?