A 30-kg aluminum block initially at 1408C is brought into contact with a 40-kg block of iron at 608C in an insulated enclosure. Determine the final equilibrium temperature and the total entropy change for this process.
Ch 14: The Federal Bureaucracy Politics in Action: Regulating Food bureaucracy depends on certain elements: It has a hierarchical authority structure, in which power flows from the top down and responsibility flows from the bottom up; it uses task specialization so that experts instead of amateurs perform technical jobs; and it develops extensive rules, which may seem extreme at times, but which allow similar cases to be handled similarly instead of capriciously. Bureaucracies operate on the merit principle, in which entrance and promotion are awarded on the basis of demonstrated abilities rather than on “who you know.” 14.1 The Bureaucrats Bureaucrats are typically much less visible than the president or members of Congress. A