True or False: Gases have a definite shape and volume.

True

False

2. What happens to the kinetic energy of particles when a substance changes from a liquid to a solid?

Decreases

Stays the same

Increases

Which is true about sugar dissolving in water? • sugar is the solute, and water is the solvent. • both sugar, and water are solutes • both sugar, and water are solvents • sugar is the solvent, and water is the solute

What is the end result of substances mixed together?

Samples of f2 gas and xe gas are mixed in a container of fixed volume. the initial partial pressure of the f2 gas is 8.0 atmospheres and that of the xe gas is 1.7 atmospheres.

Suppose the total volume of sand on the beach is 1,278m. What will the volume be after 24 hours of erosion?

How many moles are in 1.204 • 10^24 particles of aluminum

Which of the following statements describes a physical property? The substance has a higher density than water. A. The substance forms a solid when reacted with silver nitrate. B. The substance is highly reactive. C.

Using the 5M NaCI and 10% glucose stock solutions you generated, how would you prepare 100 ml of a solution that is both 150mM NaCl and 1 % glucose?

To create a tint, you would mix a hue with

What property of matter best describes the way a typical alcohol thermometer works?

A certain half-reaction has a standard reduction potential. an engineer proposes using this half-reaction at the anode of a galvanic cell that must provide at least of electrical power. the cell will operate under standard conditions.