TY - BOOK ED - Nuffield Foundation. TI - Nuffield chemistry: collected experiments U1 - 540.0712 PY - 1968/// CY - London, Middlesex PB - Longmans Green, Penguin KW - Chemistry KW - Study and teaching N1 - What chemical changes are taking place, and what representation of them can be given at the molecular level?; How fast do the changes take place, and can their speeds be altered?; How far do the changes go and can the final proportions be adjusted?; What energy changes accompany the chemical change, and what is their significance? ER -