Gaseous State

Gases can be defined by the following statement:

• Gases freely flow to fill the container they are in.

• Gases have neither a defined volume nor shape.

• Gases are highly compressible.

• All of the above

The relationships between the following four variables are known as the gas laws.

• pressure (P), depth (D, in cm), temperature (T), and amount (n, in moles)

• pressure (P), volume (V), temperature (T), and amount (n, in moles)

• height (H, in cm), volume (V), temperature (T), and amount (n, in moles)

• pressure (P), volume (V), length (L, in cm), and amount (n, in moles)

The scientific principle that, so long as temperature is kept constant, the volume (V) of a fixed amount of gas is inversely proportional to its pressure (P) is called:

• Boyles's Law

• Charles's Law

• Avogadro's Law

• Ideal Gas Equation

Suppose you have two identical birthday balloons, with one filled with the gas helium and the other blown up by you. Assuming they’re both filled to the same amount, these balloons will have the same number of molecules.

• True

• False

Which of the following is not a common state of matter under ambient conditions?

• Liquid

• Solid

• Plasma

The term “fluids” collectively refers to

• solid and gases

• liquid and gases

• Only Liquid

• Solids and liquid

A solid can be referred to as having

• indefinite volume and definite shape

• indefinite shape and definite volume

• definite shape and definite volume

• definite shape and indefinite volume

Solids that have an organized, regular repeating structure are

• crystalline

• amorphous

• colloidal

• Emulsion

Molecules of a gas have

• very weak intermolecular forces of attraction between the molecules

• strong intermolecular forces of attraction between molecules yet are able to shift positions

• weak intermolecular forces of attraction between molecules yet are set in fixed positions

• None of the above

At a pressure of 1.0 atm, when water is heated to 100°C it

• freezes

• vapurises

• melts

• sublimes