Thermodynamics - PowerPoint PPT Presentation
Thermodynamics and Statistical Mechanics
Thermodynamics and Statistical Mechanics. Entropy and the Second Law of Thermodynamics. Second Law. Kelvin-Planck statement: No series of processes is possible whose sole result is the absorption of heat from a thermal reservoir and the complete conversion of this energy to work.
By jana
Entropy and the Second Law of Thermodynamics
Entropy and the Second Law of Thermodynamics. Entropy Second Law. Reading Question. In preparing for today’s class I spent about ___ hours reading, doing homework, or looking over my notes. ½ 1 1 ½ 2 2 1/3 3 or more. Reading Question. The second law of thermodynamics says that.
By rae
Thermodynamics
Thermodynamics. a system: Some portion of the universe that you wish to study. the surroundings: The adjacent part of the universe outside the system. Changes in a system are associated with the transfer of energy. Natural systems tend toward states of minimum energy. Energy States.
By nova
Maxwell's Demon
By, Christopher Bimbo. Maxwell's Demon. The Concept. Was a theorized experiment conducted by a man named James Clerk Maxwell in 1867 He believed that it was possible to disprove the second law of thermodynamics. The 2 nd Law of Thermodynmics.
By aimee
STEAM ENGINE
STEAM ENGINE . Group Members: Yaxian Xie (yxx5029), Shurong Liu(sxl5270), Gege Wang(gyw5052), Alice Ju (aij5050), Mengqin Cao( mic5320). Steam Engine.
By alize
Thermodynamics
Thermodynamics. the study of energy transformations and transfer THREE QUESTIONS to be addressed: 1. Will a reaction occur when two substances are mixed together? 2. What energy changes are associated with a spontaneous reaction?
By calista
Exam #1 Review Trivial Concepts
Exam #1 Review Trivial Concepts. True or False (in the context of Thermodynamics). Every gaseous equation of state predicts a critical point. True or False (in the context of Thermodynamics). Every real gas has a critical point. True or False (in the context of Thermodynamics).
By thora
ENERGY, THERMODYNAMICS and ENZYMES
ENERGY, THERMODYNAMICS and ENZYMES. © 2012 Pearson Education, Inc. 5.10 Cells transform energy as they perform work. All organisms require nutrients = raw building blocks Most common elements: C, H, O, N, P, S
By sequoia
Chapter 5 Flow Analysis Using Control Volume (Finite Control Volume Analysis )
Chapter 5 Flow Analysis Using Control Volume (Finite Control Volume Analysis ). Many practical problems in fluid mechanics require analysis of the behavior of the contents of a finite region in space (a control volume). for example,
By loman
Entropy = S
Entropy = S. Entropy is. disorder. or randomness. 2nd Law of Thermodynamics. S universe. > 0. for spontaneous processes. no external intervention. spontaneous =. S system. S surroundings. positional disorder. energetic disorder. Energetic Disorder.
By iolani
Example: Electric resistive heaters are often used in houses to provide heat during winter
Example: Electric resistive heaters are often used in houses to provide heat during winter months. It consists of a simple duct with coiled resistance wires as shown. Consider a 20 kW heating system such that the air enters at 100 kPa and 17° C with a mass
By orrin
Lecture 4
Lecture 4. Conservation and Balance Concepts. The Balance Concept.
By zwi
Hess’s Law
Hess’s Law. A consequence of the 1 st of Thermodynamics (conservation of energy). If a reaction is the sum of 2 or more reactions, then the H of the overall reaction is the sum of the H of the constituent reactions.
By marcin
Studies in Earth/Sun relationships are really studies in Energy.
Studies in Earth/Sun relationships are really studies in Energy. What is the Zeroth Law of Thermodynamics?
By varen
Enzymes
Enzymes. Energetics. First Law of Thermodynamics – energy cannot be created or destroyed, it can only change forms . Second Law of Thermodynamics – (potential energy transformation into heat or other random molecular motion) Entropy (disorder) is continuously increasing.
By glen
Types of Energy
Types of Energy. -kinetic, potential, chemical and thermal -Law of conservation of energy. What is energy?. It is the ability to do work or produce heat Obeys the Law of Conservation of Energy
By nakia
Sales Manual
Sales Manual. Product Overview. Vespa Primavera is the last brick in Vespa history, the history of a scooter that during over 65 years became a myth both in Italy and all over the world. The all new design is the most important characteristic of Vespa Primavera.
By tracey
Test 1A
As requested by the Dean's office, please announce Bldg Q Building Hours stated below in your classes: Mon - Fri Open 7:00 am Close 12:00 midnight Sat & Sun Open 8:00 am Close 5:00 pm Closed on All University Holidays. Test 1A. First law of thermodynamics; closed system Voluntary
By ranit
Evolution’s Critics
Evolution’s Critics. Chapter 17. Argument #1. Evolution if not solidly demonstrated. “Evolution is just a theory.”. Argument #2-There are no fossil intermediates. Argument #3. The intelligent design argument.
By felcia
Heat Engines, Refrigerators, and Heat Pumps
high temperature infinite thermal reservoir at T H. q H > 0. w < 0. engine (system). q L < 0. low temperature infinite thermal reservoir at T L. Heat Engines, Refrigerators, and Heat Pumps
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