CHEM 1021 Lecture Notes - Lecture 4: Evaporation, Observational Error, Scientific Notation
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Draw a molecular-level representation for the sublimation of co2 o. Temperature changes can result in changes in physical state, when the pressure is constant. Pressure changes can also result in changes in physical state, when the temperature is constant: air in a bike tire, we can increase the air in the bike tire by pushing the molecules together. They could form a liquid if the pressure was high enough. They could forma solid if the pressure was high enough. The kinds of matter are differentiated by their properties. Each type of matter has its own unique properties. Physical properties: a characteristic of a substance that can be observed with changing the substance into another substance. Temp, mass, structure, color, taste, odor, boiling point, freezing point, heat capacity, hardness, conductivity, solubility, density. Chemical properties: a characteristic of a substance that describes the way the substance undergoes or resists change to form a new substance.
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