Air goes through a polytropic process with n = 1.3 in a piston/cylinder setup. It starts at 200 kPa, 300 K and ends with a pressure of 2200 kPa. Find the expansion ratio v2/v1, the specific work, and the specific heat transfer.
10/04/2016 Anxiety, Trauma, Stressor, Obsessive-Compulsive Disorders Anxiety vs. Fear o Anxiety and fear differ both physiologically and psychologically o Anxiety: future oriented mood state, apprehension because cannot control (and predict) (I’m nervous about my test this afternoon) o Fear: immediate emotion (emotional reaction) to current danger Strong escapist action tendencies (bear is attacking me now, I have to escape!) Surge in the sympathetic nervous system Causes of Anxiety and Related Disorders o Biological, Psychological (emotions, cognitions, & behavior), & Social (BioPsychoSocial Model) o No single gene,