00570nam a2200157 a 450000500170000000800410001710000310005824501120008925000120020126000510021330000340026450000470029850000420034565000140038785200110040120190520021121.0090325s19uu    xx            00    eng d10aHill, John Williams, 1933-10aChemistry for changing times /cJohn W. Hill, Doris K. Kolb ; with special contribution by Cynthia S. Hill.  a7th ed.0 aSingapore :bSimon and Schuster (Asia),c1995.  a1 v. (various pagings) : ill.  aIncludes references, appendices and index.  aPrentice Hall International editions.  aChemistry  7OLOPSC