Solutions for Chapter 20: Chemistry: A Molecular Approach 3rd Edition

The minimum energy needed for reaction; the height of the energy barrier to formation of products. (Section 14.5)

A reaction in which one molecule adds to another. (24.2)

A common non-SI unit of length, denoted Å, that is used to measure atomic dimensions: 1Å = 10-10 m. (Section 2.3)

Compounds that have the same molecular formula but differ in the way the atoms are connected.

A reaction in which two reactants add together in a single step to form a cyclic product. The best known of these is the Diels-Alder reaction

A term used to label a chiral molecule that rotates the plane of polarization of plane-polarized light to the right (clockwise). (Section 23.4)

The escape of a gas through an orifice or hole. (Section 10.8)

Important biological molecules that catalyze virtually all cellular processes.

A reaction which involves the addition of a halogen and a hydroxyl group (OH) across an alkene.

A reaction in which a carboxylic acid undergoes a-halogenation when treated with bromine in the presence of PBr3.

Bond breaking that results in the formation of unchanged species called radicals.

A series of atoms, ions, or molecules having the same number of electrons. (Section 7.3)

Refers to a substance that rotates the plane of polarized light to the left.

The electrophile in a Michael reaction.

A region of space that can hold two electrons

The sum of the reaction orders of all the reactants appearing in the rate expression when the rate can be expressed as rate = k3A4a 3B4b... . (Section 14.3)

A compound that contains an !OH bonded to a benzene ring; a benzenol.

A series of structures that are melded together (conceptually) to circumvent the inadequacies of bond-line drawings.

A covalent bond involving one electron pair. (Section 8.3)

High-molecular-weight esters that are constructed from carboxylic acids and alcohols.