Chapter 6 Introduction to thermodynamics Topics First law of thermodynamics. Definitions of internal energy and work done‚ leading to dU = dq + dw. Heat capacities‚ Cp = CV + R. Reversible and irreversible processes. Various types of expansion‚ isothermal‚ adiabatic. CV and Cp according to kinetic theory‚ monatomic gases‚ other gases. The meaning of temperature‚ empirical temperature scale‚ perfect gas scale‚ the second law of thermodynamics‚ thermodynamic temperature scale. So far‚ we have concentrated
Free Thermodynamics Temperature Entropy
Thermodynamics - Assignment 4 D3 SS Sultana – a Mississippi River steamboat paddle wheeler that exploded on April 27‚ 1865 in the greatest maritime disaster in United States history. Around 1‚600 of Sultanas 2‚400 passengers were killed when THREE of the ships four boilers exploded and Sultana sank near Memphis‚ Tennessee. The cause of the explosion was a leaky and poorly repaired steam boiler. There was reason to believe allowable working steam pressure was exceeded in an attempt to overcome
Premium Steamboat
by a plasma membrane. The plasma membrane functions somewhat like a wall‚ as it keeps the internal contents from the external environment. Just like a wall‚ the membrane is also somewhat permeable‚ except that the membrane takes a much more active role in determining what is allowed in to the cell and what is kept out. The plasma membrane is a very thin structure‚ which has some very important tasks. One of the main tasks that it performs is to control the movement of foreign substances in and out
Premium Cell membrane Adenosine triphosphate Molecular diffusion
process of diffusion of substances across a semipermeable membrane to gain a better understanding of how cells move materials across cell membranes. The experiment was designed to exhibit Brownian Motion; the random movement and tendency of particles of a substance to move from an area of greater concentration to lower concentration via diffusion until equilibrium has been attained. In addition to observing the passive process of diffusion‚ the experiment demonstrated how a semipermeable membrane will
Premium Diffusion Dialysis tubing Semipermeable membrane
ee Lab Newton’s Second Law (Investigation 2.3.1 in Nelson 11U Text p68) The text asks you to vary the mass three times‚ and then the force three times and to run each trial only once. This is insufficient data to accomplish our goal‚ which is to validate (proof) the second law is true. You will need to vary the mass seven times‚ the force seven times and you will need to run the trials a few times each to acquire approximately 10 time intervals per trial. Then we will have sufficient data
Premium Error Time Typography
mosaic model of the cell membrane. What is the fluid mosaic model? The fluid mosaic model is a model conceived by S.J. Singer and Garth Nicolson in 1972 to describe the structural features of biological membranes. The membrane is described to be fluid because of its hydrophobic integral components such as lipids and membrane proteins that move laterally or sideways throughout the membrane. That means the membrane is not solid‚ but more like a ’fluid’. The membrane is depicted as mosaic because
Premium Protein Cell membrane Membrane biology
ABSTRACT The paper postulates a thermodynamic theory of money and describes both quantitavely and qualitatively its mechanics that unify economic production and finance in a sustainability framework. The theory will examine various economic issues‚ such as‚ full employment‚ economic growth‚ economic development‚ economic justice‚ the role of financial institutions‚ technology transitions and sustainable natural resource use‚ and be contrasted with the dominant money theory. It is claimed that
Premium Economics Thermodynamics Money supply
of Two Laws of Thermodynamics Energy is encountered in many forms‚ such as mechanical‚ chemical (food and fuel)‚ electrical‚ nuclear‚ heat‚ and radiant (light). Energy has the ability to bring about change or to do work. Thermodynamics is the study of energy. The field of thermodynamics studies the behavior of energy flow in natural systems. These studies have rendered two laws of thermodynamics. The first law of thermodynamics is also known as the law of conservation of energy. This law suggests
Premium Entropy Energy Conservation of energy
2. Draw and completely label a cell membrane. [pic] 4. List and briefly discuss the 5 components of cellular membranes. 1. Phospholipids layer- 2 layers ‚ polar and non polar ‚ polar facing the extracellular fluid and cytoplasm 2. Transmembrane proteins-integral membrane proteins are proteins that expand the membrane 3. Interior protein network-peripheral proteins are in the interior side of the membrane 4. Cell surface markers are glycolipids‚ carbohydrates/lipid
Premium Cell membrane Protein
207 FIRST LAW OF THERMODYNAMICS The Carnot cycle is the most efficient cycle possible for a heat engine. An engine that operates accordance to this cycle between a hot reservoir (Til) and a cold reservoir (Te) has efficiency ef ’ lmax = In Tc I - -T II Kelvin temperatures must be used in this equation. Solved Problems 20.1 III In a certain process‚ 8.00 kcal of heat is furnished to the system while the system does 6.00 kJ of work. By how much does the internal energy
Premium Thermodynamics Heat Energy