2024 Exam 3 Chem 162 (All Solved Accurately)
First Law of Thermodynamics: Energy cannot be _________ or __________. correct answers Created; Destroyed For an exothermic reaction, "lost" heat from the _________ goes into the _____________. correct answers system; surroundings two ways energy "lost" from a system, converted to _____,___ used to do _______,___ correct answers heat, q; work, w Energy conservation requires that the energy change in the system equal the heat released + work done ΔE = ________ ΔE = ________ ΔE is a _______ ________ correct answers q + w; ΔH + PΔV; state function to recharge a battery with _____ kJ of useful energy will require more than ____ kJ correct answers 100; 100 every energy transition results in a _____ of energy correct answers loss fewer steps generally results in a lower _______ ____ ____ correct answers total heat tax _______________ predicts whether a process will proceed under the given conditions, __________ _________ correct answers thermodynamics; spontaneouss process _____________ is determined by comparing the free energy of the system before the reaction with the ____ _______ of the system after reaction. correct answers spontaneity; free energy if the system after reaction has less free energy than before the reaction, the reaction is thermodynamically ___________. correct answers favorable spontaneity ≠ _____ or ____ correct answers fast or slow The direction of spontaneity can be determined by comparing the _________ _________________ of the system at the start and the end. correct answers potential energy any spontaneous process is ____________ and proceeds in ___ direction correct answers irreversible; one if a process is _____________ in one direction, it must be _____________ in the opposite direction correct answers spontaneous; nonspontaneous
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first law of thermodynamics energy cannot be
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