12 14 2016 RWW08 Second Law of Thermodynamics Paddy Sheehan CH 201 section 002 Fall 2016 Instructor Robert Warren WebAssign RWW08 Second Law of Thermodynamics Homework Current Score 102 Due Thursday September 29 2016 11 59 PM EDT The due date for this assignment is past Your work can be viewed below but no changes can be made 1 15 points Use a table of thermodynamic properties to determine 4NH3 g 5O2 g Go at 298K for the following reaction 4NO g 6H2O g So No Response Estimate the value of So and 180 5 J mol K Go No Response 959 kJ mol Go at 400 K Go No Response 978 kJ mol 2 14 points Determine the standard entropy of formation at 298K for each of the following Sfo J mol K H2 g No Response 0 H2O g No Response 44 4 NH3 g No Response 99 3 O3 g No Response 68 73 I2 g No Response 144 46 http www webassign net web Student Assignment Responses view key dep 14314089 1 3 12 14 2016 RWW08 Second Law of Thermodynamics 3 25 points Consider the two diagrams showing the energies boxes of each of four A particles and four B particles shown below The dotted lines represent the allowed energies of each particle No What is the energy of Response system A 15 units No What is the energy of Response system B 16 units In how many ways can No the energy of system A be Response distributed 40 In how many ways can No the energy of system B be Response distributed Which system has the greater entropy http www webassign net web Student Assignment Responses view key dep 14314089 19 No Response A 2 3 12 14 2016 RWW08 Second Law of Thermodynamics 4 48 points Indicate whether each of the following must can or cannot be true for a spontaneous endothermic process and an extensive exothermic process spontaneous endothermic extensive exothermic must be true H 0 Go 0 Suniv 0 G 0 can be true cannot be true must be true must be true can be true can be true cannot be true cannot be true must be true must be true can be true can be true cannot be true cannot be true must be true must be true can be true must be true Euniv 0 can be true cannot be true cannot be true S 0 must be true can be true can be true cannot be true must be true can be true cannot be true cannot be true must be true must be true can be true can be true cannot be true cannot be true Viewing Saved Work Revert to Last Response http www webassign net web Student Assignment Responses view key dep 14314089 3 3
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