YMCA Prices. The YMCA (Young Menâs Christian Association) is an organization which aims to put Christian values and principles in place by helping members develop a sound mind, body and spirit. The organization, which began in 1944, now has 125 national associations with members and beneficiaries numbering in the millions.
A chemical reaction is a process in which the identity of at least one substance changes. A chemical equation represents the total chemical change that occurs in a chemical reaction using symbols and chemical formulas for the substances involved.
exothermic reaction-a chemical reaction accompanied by the evolution of heat. hydrolysis-a chemical reaction in which water reacts with a compound to produce other compounds; involves the splitting of a bond and the addition of the hydrogen cation and the hydroxide anion from the water.ddition reaction-a chemical reaction in which one molecule is added to another. aldol reaction-a reaction of aldehydes resulting in an aldol. chain reaction-a series of chemical reactions in which the product of one is a reactant in the next.