CHEM 210 Exam 1 2023 with complete verified solutions.

Chemistry Definition Matter, its properties, and its behavior. Filtration Solid substances are separated from liquids and solutions. Distillation Uses differences in boiling points of substances to separate a homogeneous mixture into its components. Chromatography Separates substances on basis of differences in solubility in a solvent. Temperature Measure of average kinetic energy of the particles in a sample. Accuracy Proximity of measurement to the true value of a quantity. Precision Proximity of several measurements to each other. Alchemy Discoveries and development of chemical equipment and synthesis of compounds. Atomic Theory of Matter Atoms are the fundamental building blocks of matter developed by John Dalton. Law of Conservation of Mass Total mass of substances present at the end of a chemical process is the same as the mass of substances present before the process took place. Radioactivity Spontaneous emission of radiation by an atom. Organic Chemistry Study of carbon. Alkanes Simplest hydrocarbons, carbons containing only carbon and hydrogen.