All substances have properties. These describe how a substance looks and behaves. There are two types of properties: physical and chemical. Watch this video about how physical and chemical properties ...

Law of Gay-Lussac.—That the law of Gay-Lussac in the case of the so-called permanent gases, or in general terms of gases greatly above their critical points, holds good at least at ordinary pressures, ...

Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...

Steve explores the properties of physical matter and the process of photosynthesis. Steve explores the properties of physical matter and then goes deep inside the magical plant world of photosynthesis ...

Statistical mechanics offers a foundational framework for translating the vast complexities of microscopic interactions into comprehensible macroscopic phenomena, such as phase transitions and ...