5_60_lecture1

5_60_lecture1 - MIT OpenCourseWare http://ocw.mit.edu 5.60...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: MIT OpenCourseWare http://ocw.mit.edu 5.60 Thermodynamics & Kinetics Spring 2008 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms . 5.60 Spring 2008 Lecture #1 page 1 Thermodynamics Thermodynamics: → Describes macroscopic properties of equilibrium systems → Entirely Empirical → Built on 4 Laws and “simple” mathematics th Law ⇒ Defines Temperature (T) 1 st Law ⇒ Defines Energy (U) 2 nd Law ⇒ Defines Entropy (S) 3 rd Law ⇒ Gives Numerical Value to Entropy These laws are UNIVERSALLY VALID , they cannot be circumvented. 5.60 Spring 2008 Lecture #1 page 2 Definitions: • System : The part of the Universe that we choose to study • Surroundings : The rest of the Universe • Boundary : The surface dividing the System from the Surroundings Systems can be: • Open : Mass and Energy can transfer between the System and the Surroundings • Closed : Energy can transfer between the System and the Surroundings, but NOT mass • Isolated : Neither Mass nor Energy can transfer between the System and the Surroundings Describing systems requires: • A few macroscopic properties: p, T, V, n, m, … • Knowledge if System is Homogeneous or Heterogeneous • Knowledge if System is in Equilibrium State • Knowledge of the number of components 5.60 Spring 2008 Lecture #1 page 3 Two classes of Properties: • Extensive : Depend on the size of the system (n, m, V,…) • Intensive : Independent of the size of the system (T, p, V = V ,…)...
View Full Document

This note was uploaded on 07/31/2011 for the course CHM 170 taught by Professor Lemtayo during the Spring '11 term at MIT.

Page1 / 11

5_60_lecture1 - MIT OpenCourseWare http://ocw.mit.edu 5.60...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online