Physical chemistry 262 Chemistry 130 Chemistry, Physical and theoretical 118 PHYSICAL CHEMISTRY 105 Theoretical chemistry 67 Physical Chemistry 55 Biochemistry 29 Thermodynamics 28 ANNUAL REVIEW OF PHYSICAL CHEMISTRY 22 PRINCIPLES OF PHYSICAL CHEMISTRY 21 Physical 21 Catalysis 18 Heat; Physics 14 Laboratory manuals 14 Thermochemistry 14 Polymers 13 Theoretical 13 Chemical kinetics 12 Chemistry, Physical 12 Ionisation 11 Isotopes 11 Photochemistry 11 Physics 11 Quantum chemistry 11 Theoritical chemistry 11 Organic chemistry 10 physical chemistry 10 Surface chemistry 9 Applied physical chemistry 8 Electrochemistry 8