CC Final Review

Which of the following are characteristics of metals?

• brittle and malleable

• malleable and good conductors

• ductile and nonconductors

Chemical equations must be balanced to satisfy the .

• law of definite proportions

• law of conservation of mass

• law of multiple proportions

What is the mass, in grams, of 5.90 mol C8H18?

(# of Moles given x Molar mass)

A) 389 g

B) 674 g

C) 19.4 g

• 389 g

• 674 g

• 19.4 g

When two substances react to form products, the reactant which is used up is called the _______?

• catalytic reagent

• limiting reagent

• reactive reagent

What happens to the average kinetic energy of the particles in a sample of matter as the temperature of the sample is increased?

• It decreases.

• It increases.

• It does not change.

The escape of gas molecules from the surface of a liquid in an open container is known as

• evaporation

• sublimation

• solvation

As the temperature of a fixed volume of a gas increases, the pressure will

• vary inversely

• decrease

• increase

A sample of gas occupies 40.0 mL at 150 K. What volume does the sample occupy at 300 K? V1/T1 = V2/T2

• 180 mL

• 80.0 mL

• 20.0 mL

The bonds between the hydrogen and oxygen atoms in a water molecule are _________________.

• ionic bonds

• nonpolar covalent bonds

• polar covalent bonds

Which of the following mixture types is characterized by the settling of particles?

• solution

• suspension

• hydrate