Thermodynamics is an important chapter in Physics and carries a significant amount of weightage in NEET. It is considered a fairly easy chapter and most of the aspirants skip it or doesn’t pay much heed. My advice to all the aspirant is not to take the chapter lightly and master the concepts.By neetonline
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Do Now: packet p.1. Topic: Thermodynamics. Every physical or chemical change is accompanied by energy change. Energy released = _________________ Energy absorbed = _______________. exothermic. endothermic. G L S.
Topic 3B: Moist Thermodynamics. Thermodynamics of moist air Definitions of amount of water vapor in the air Latent heat Lapse rates for moist & saturated air Stability of rising (sinking) air The 2 nd Law of Thermodynamics. Moisture parameters Mixing Ratio ( w ) Defined as:
Thermodynamics. Brown, LeMay Ch 19 AP Chemistry Monta Vista High School. Review. 1 st Law of Thermodynamics In any process energy is neither created nor destroyed. When a system changes from one state to another ( D E = q + w), it Gains heat (+ q) or loses heat (- q) and/or
Thermodynamics. Intensive and extensive properties. Intensive properties: System properties whose magnitudes are independent of the total amount, instead, they are dependent on the concentration of substances Extensive properties
Thermodynamics. How Energy Is Transferred As Heat and Work. Animation Courtesy of Louis Moore. How Internal Energy can Increase. Heat can be added (Symbol Q) Mechanical Work can be done on the system(like a piston compressing gas) (Symbol W). The First Law. -. D U = Q + W
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.
Thermodynamics. The study of heat in motion. thermodynamic process - one in which heat is added to or taken away from a system. internal energy ( U) - defined by the system’s temperature, volume, and pressure.
Thermodynamics. Chapter 15. Figure 15-1 An ideal gas in a cylinder fitted with a movable piston. - PV=nRT. If n, R, and T are constant, then PV=k - What type of mathematical relationship exists between P & V? - Sketch a plot of P vs. V.
Thermodynamics. Temperature. Temperature is the measurement of the average kinetic energy of material. Atoms move around and collide with the thermometer and exchange its energy causing the thermometer to go up. Three units of measuring temperature Fahrenheit (Used only in the US)
Thermodynamics. Thermo =. heat or energy. dynamics =. movement. -. System. +. Surroundings. Open systems. -. mass and energy. Closed systems. System. +. energy. Isolated systems. Surroundings. no exchange. Energy. E. Internal Energy =. E =. Kinetic Energy.