Ben Bernanke Chairman, Federal Reserve, United States Big Ben is stepping down when he term ends in January 2014, and Janet Yellen has been nominated to lead the Fed next year. Bernanke has steered the Fed during some of the biggest financial challenges since the Depression.
Definition of PHENOLPHTHALEIN. : a white or yellowish-white crystalline compound C20H14O4 used in analysis as an indicator because its solution is brilliant red in alkalies and is decolorized by acids and in medicine as a laxative. See phenolphthalein defined for kids.ADVERTISEMENT.efinition of PHENOLPHTHALEIN. : a white or yellowish-white crystalline compound C20H14O4 used in analysis as an indicator because its solution is brilliant red in alkalies and is decolorized by acids and in medicine as a laxative. See phenolphthalein defined for kids. ADVERTISEMENT.
Phenolphtalein is an indicator used to find the endpoint of a  reaction (specifically an acid-base reaction). It has a pH range of  8.3 to 10.0 which means it can be used fo â¦ r a strong acid to strong  base titration or a weak base to strong acid titration. Phenolphthalein is clear when it is in the presence of acid and  pink when it is in the presence of a base. + 1 other found this useful. Sheri Fowler. Rnp 279.t has a pH range of  8.3 to 10.0 which means it can be used fo â¦ r a strong acid to strong  base titration or a weak base to strong acid titration.  Phenolphthalein is clear when it is in the presence of acid and  pink when it is in the presence of a base. + 1 other found this useful. Sheri Fowler. Rnp 279.