General Chemistry 2 Final Exam verified answers

General Chemistry 2 Final Exam Redox Reaction - correct answers In oxidation, one atom gains electrons and one looses electrons. Atoms that lose electrons are Oxidized. Atoms that gain electrons are Reduced. Electrochemical devices - correct answers Systems that control the electron transfers in Redox processes. Thermodynamic stability - correct answers Measure of how stable a system is with respect to changes in the surroundings. ***** Galvanic Cell - correct answers Spontaneous= No energy input needed, makes energy. Delta G= (-), Product favored To increase sell potential: - Make Delta G more negative - Increase Surface Area Electrolyte - correct answers Conducts electricity in dissolved form (ex: Salt). Compound - correct answers Two or more chemical elements are bonded. Element - correct answers Substance of atoms that all have the same number of protons. Homogeneous mixture - correct answers A homogeneous mixture has the same uniform appearance and composition throughout. Heterogeneous mixture - correct answers A heterogeneous mixture is composed of non-uniform molecules or they have localized regions that all have different properties. Chemical change - correct answers Any change that results in the formation of a new chemical substance. Physical change - correct answers Rearrangement of molecules that does not effect their chemical makeup. Law of conservation of mass - correct answers Kinetic stability - correct answers