Slide 1 Enthalpy changes and calorimetry Enthalpy changes in reactions Calorimetry and heat measurement Hess’s Law Heats of formation Slide 2 Learning objectives Describe…

Chapter 3- The Energies of Life Homework- 2, 3, 5, 9, 12, 15, Bioenergetics Cells do lots of things They need energy to do these things Bioenergetics- the quantitative analysis…

Thermochemistry Ch. 5 in textbook (omit Section 5.8) Phsstudent.blogspot.com Heat vs. Work A. Energy (E) Energy = ability to transfer heat or do work Kinetic Energy = energy…

Work, W, on the system Internal Energy, U, increases: T rises Jouleâs Paddle Experiment 1840 - 49 4.2 Nm of Work raises the T of 1 g water by 1 K = 4.2 J = 1 calorie What…

Chapter 3- The Energies of Life Homework- 2, 3, 5, 9, 12, 15, Bioenergetics Cells do lots of things They need energy to do these things Bioenergetics- the quantitative analysis…

Mastering Physics 19.32 Requires Section 19.8 Will re-score to make 19.32 extra credit Before We Start Why is T  Ktrans? Why is C larger when there are more modes? Why…

Thermochemistry Ch. 5 in textbook (omit Section 5.8) Phsstudent.blogspot.com Heat vs. Work A. Energy (E) Energy = ability to transfer heat or do work Kinetic Energy = energy…

Introduction to thermochemistry Heat, work, energy and the First Law Learning objectives Define energy and identify types of energy Compare and contrast heat and work Describe…

Chapter 20 The First Law of Thermodynamics Thermodynamics – Historical Background Thermodynamics and mechanics were considered to be distinct branches of physics Until…

Thermodynamics Thermodynamics -chap. 15 note for AP B physics: if it says ON gas, use W= -PDV if it says BY gas, use W= PDV always: U= Q + W The Ideal Gas Law (review chap.14)…