AP Chemistry Practice Exams

The amount of heat needed to raise the temperature of 1g of a substance by 1C is called:

• Melting Point

• Boiling Point

• Specific Heat

• Heat of Vaporization

What are the products of a combustion reaction (select all that apply)?

• CO2

• O2

• H2O

• H2

Which of the following is an example of a physical property of a substance?

• Shape

• Color

• Malleability

• All of the above

A substance that is made up of only the same molecules is known as a:

• Pure substance

• Mixture

• Bad idea

• Compound

What is the periodic trend for INCREASING electronegativity? (Select all that apply)

• Left to right

• Right to left

• Bottom to top

• Top to bottom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the periodic trend for INCREASING ionization energy? (Select all that apply)

• Left to right

• Right to left

• Bottom to top

• Top to bottom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the periodic trend for INCREASING atomic radius? (Select all that apply)

• Left to right

• Right to left

• Bottom to top

• Top to bottom

What is ionization energy?

• The amount of energy required to remove electrons

• The amount of energy required to remove protons

• The amount of energy needed to create new bonds

• The amount of energy needed to cancel out ions

Tags

NGSS.HS-PS1-1

If 7.00 grams of nitrogen gas are contained in a 5.00 L flask at 4.62 kPa. What is the temperature of the gas?

• 11.1 K

• 1.00 K

• 4.12 K

• 9.07 K

If 2.00 L of a gas in a container at room temperature exerts a pressure of 4.00 atm. If the pressure doubles and the temperature remains the same, the volume would become ________.

• 16.0 L

• 2.00 L

• 4.00 L

• 1.00 L