General Chemistry 2 Final Exam Flashcards Questions and Answers 2023

Redox Reaction - -In oxidation, one atom gains electrons and one looses electrons. Atoms that lose electrons are Oxidized. Atoms that gain electrons are Reduced. -Electrochemical devices - -Systems that control the electron transfers in Redox processes. -Thermodynamic stability - -Measure of how stable a system is with respect to changes in the surroundings. ***** -Galvanic Cell - -Spontaneous= No energy input needed, makes energy. Delta G= (-), Product favored To increase sell potential: - Make Delta G more negative - Increase Surface Area -Electrolyte - -Conducts electricity in dissolved form (ex: Salt). -Compound - -Two or more chemical elements are bonded. -Element - -Substance of atoms that all have the same number of protons. -Homogeneous mixture - -A homogeneous mixture has the same uniform appearance and composition throughout. -Heterogeneous mixture - -A heterogeneous mixture is composed of non-uniform molecules or they have localized regions that all have different properties. -Chemical change - -Any change that results in the formation of a new chemical substance. -Physical change - -Rearrange