2008 CHE132 Ex01

2008 CHE132 Ex01 - CHE132S08Ex01 Multiple Choice Identify...

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Multiple Choice Identify the choice that best completes the statement or answers the question. There are 20 questions plus one that counts as a bonus, which means that you can miss one question and still score 100%. ____ 1. Learning involves the growth of neural networks and conditioning them to respond with appropriate concentrations of molecules called neurotransmitters. Which one of the following statements does not characterize these neural networks? A) They require glucose, oxygen, exercise, and training to function effectively. B) They filter sensory signals and often only respond to things that are familiar or expected. C) The networks that comprise short-term or working memory have a very limited capacity for information. D) The process of thinking itself changes how these networks function. E) Neural networks form very quickly so intense studying immediately before an exam is an efficient and effective way to learn. ____ 2. Which one of the following statements about energy is not correct? A) Chemical energy is the energy that is released when a bond is broken. B) Energy is a fundamental component of the universe. C) Energy can be used to keep track of the ability to do work. D) There are three categories or types or energy: mass, kinetic, and potential energy. E) Thermal energy is a form of energy that is associated with the random motion of atoms and molecules. ____ 3. Which one of the following statements in not correct? A) A negative Gibbs free energy change represents the maximum amount of work that can be done as a result of a spontaneous chemical reaction. B) A positive Gibbs free energy change represents the maximum amount of work that is necessary to cause the reaction to occur. C) The change in internal energy of any system is calculated by subtracting the work done by the system from the energy transferred into the system. D) The enthalpy change in a chemical reaction is the amount of energy given off or taken up by the reaction when the pressure is constant. E) The entropy change in a chemical reaction represents the change in the number of states over which energy is dispersed in the reacting system. ____ 4. The energy content of a Big Mac is 540 Cal.
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This note was uploaded on 04/23/2010 for the course CHE 132 taught by Professor Hanson during the Spring '08 term at SUNY Stony Brook.

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2008 CHE132 Ex01 - CHE132S08Ex01 Multiple Choice Identify...

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