Given the question: Answer the following question given this paragraph: Physical chemistry is the study of macroscopic properties, atomic properties, and phenomena in chemical systems. A physical chemist may study such things as the rates of chemical reactions, the energy transfers that occur in reactions, or the physical structure of materials at the molecular level. Q: What is the study of macroscopic properties, atomic properties, and phenomena in chemical systems? Choices: - differential chemistry - thermal chemistry - molecular chemistry - physical chemistry A:
The answer is:
physical chemistry