“these are the topics that MCAT 2015 will no longer test: General Chemistry Phase equilibria removed Exception: phase diagrams still tested Organic Chemistry Several compounds no longer directly tested Simple organic compounds (alkanes, alkenes, alkynes); Exception: nucleophilic substitution reactions still tested Aromatic compounds Ethers Amines Physics Momentum removed Solids (density, elastic properties, and so on) removed Periodic motion (springs & pendulums) removed Exception: Spring potential energy still tested”