CHMY-361 Midterm: CHMY 361 Montana State 361Exam 2key11
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100 points in 8 problems on 6 pages including tables 4. 1 and a. 5. Forfull credit show all work and put correct units onlinal answers. Note that information that is not needed may be present in some problems. (12 pts) 1. Modem coal fired steam engines (turbines) use steam at 1000 k and dump heat into 400 k air. What is the maximum effrciency? tr{= n-t /w*#oa * o,6d. For the reaction : l/2n2(g) +ll2 oz(g) --> no(g) calculate the equilibrium constant at. 298k and at 400 k using the data in table a. 5. 7s xlo- >< l"o to kna"l, aa"^; l( alrt"fts to. If bacteria in a sealed, thermally insulated, constant volume flask (isolated system) of nutrient are observedto grow,tell whether the following are positive, negative, or zero. Ae --cl +g1): d ts j *\el . o. (too)( *z*,o) r+" s o or6oc" "f. A 9 un,v _ a5ra3 srr( = - z. ll 0.
