5 Written questions
5 Matching questions
- nonpolar covalent bond
- vapor pressure
- tetrahedral structure
- a An arrangement of the VSEPR model where four pairs of electrons are placed 109.5 degrees apart to form tetrahedron.
- b The quantity or amount of matter that an object possesses.
- c A covalent bond between two atoms with the same electronegativity value; thus, the electrons are share equally between the two atoms.
- d The substance that the solute is dissolved into.
- e The pressure exerted by a vapor in equilibrium with its liquid.
5 Multiple choice questions
- The shape of the surface of a liquid when placed in a glass cylinder.
- A system of a solvent and one or more solutes homogeneously mixed.
- A solution containing less solute per unit than its corresponding saturated solution.
- Force per unit area; expressed in many units, such as mm Hg, atm, lb/in squared, torr, and pascal.
- The temperature at which the vapor pressure of a liquid equals 1 atm or 760 torr pressure.
5 True/False questions
ion → A positively or negatively charged atom or group of atoms.
hydrate → A solid that contains water molecules as part of its crystalline structure.
molar volume (of a gas) → The volume of 1 mole of a gas at STP equals 22.4 L/mol.
supersaturated solution → A solution containing more solute than needed for a saturated solution at a particular temperature.
physical change → Inherent physical properties of a substance that can be determined without altering its composition: color, taste, odor, state of matter, density, melting point, boiling point.