AP CollegeBoard AP Chemistry
Test Booklet
Unit 9 Review
4.
2X(g) + Y(g) = 3Z(g)
The reaction mixture represented above is at equilibrium at 298 K, and the molar concentrations
are [X] - 2.0 M. [= 0.5 M, and [2] = 4.0 M. What is the value of the equilibrium constant for the
reaction at 298 K ?
0.50
2.0
4.0
16
32

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³