Chemistry, 23.08.2019 04:10 skyflyer878
An insulated 8m* rigid tank contains air, modeled as an ideal gas, at 600kpa and 400k. a valve connected to the tank is opened and air is allowed to escape until the pressure drops to 200kpa. the air temperature is held constant during the process by an electric heater placed in the tank. determine the electrical energy supplied to the air during this process. internal energy of the initial air is u = 286.1 6hĺ kg ; the enthalpy of the exiting air is hvit400.98hj/ kg
Answers: 3
Chemistry, 22.06.2019 02:30
When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.
Answers: 3
Chemistry, 22.06.2019 04:50
Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b
Answers: 1
An insulated 8m* rigid tank contains air, modeled as an ideal gas, at 600kpa and 400k. a valve conne...
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