FUND OF ENG THERMODYN(LLF)+WILEYPLUS
9th Edition
ISBN: 9781119391777
Author: MORAN
Publisher: WILEY
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One hundred (100) grams of water are mixed with 150 grams of
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- A vessel contains at 1 bar and 20°C a mixture of 1 mole of CO; and 4 moles of air. Calculate for the mixture: (i) The masses of CO, O, and N2: (ii) The percentage carbon content by mass; (iii) The apparent molecular weight and the gas constant for the mixture; (iv) The specific volume of the mixture; (v) If the mixture is heated at constant pressure to 100°C, find the changes in internal energy, enthalpy and entropy of the mixture.arrow_forwardA steam/water mixture is contained in a vertical cylinder by a 100 mm diameter freely movable frictionless thin piston. The cylinder is fitted with a set of stops 40 mm above the cylinder base. Initially at State 1, the piston remains in equilibrium 10 mm above the cylinder base while the steam/water mixture is at a pressure of 1.5 bar with a dryness fraction of 0.25. (a) Find the mass of the steam/water mixture. The steam/water mixture is then slowly heated until the piston just reaches the stops at State 2. (b) Using appropriate calculations and reasoning, show that the cylinder contains superheated steam at State 2. The contents of the cylinder are further heated to increase the pressure to 3.0 bar at State 3. (c) Draw the entire heating process on a T-v diagram, indicating all states involved. (d) At State 3, determine the steam temperature and the force exerted by the stops on the piston. (e) Calculate the total work done by the contents in the cylinder from State 1 to State 3.arrow_forwardHi tutor, please answer in 30 minutes with explanation.arrow_forward
- 0.5 kg of Helium and 0.5 kg of nitrogen are mixed at 20 degrees * C and at a total pressure of 100 kPa. Find (a) the volume of the mixture (b) the partial volumes of the components (c) the partial pressures of the components (d) the mole fraction of the components (e) the specific heats c_{p} and c, of the mixture and (f) the gas constant of the mixture.arrow_forwardA mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) 1 atm pressure piston cylinder From previous experiments, this chemical reaction is known to absorb 322. kJ of energy. water bath The temperature of the water bath is monitored, and it is determined from this data that 188. kJ of heat flows out of the gases system during the reaction. O exothermic Is the reaction exothermic or endothermic? O endothermic O up Does the temperature of the water bath go up or ? O down down? O neither O in Does the piston move in or out? O out O neither O does work Does the gas mixture do work, or is work done on it? O work done on it O neither How much work is done on (or by) the gas mixture? Be sure your answer has the correct number of…arrow_forwardA gas mixture consists of 9 kmol H2 and 2 kmol of N2 . Part A Determine the mass of H2 . Express your answer to four significant figures and include the appropriate units. Part B Determine the mass of N2. Express your answer to three significant figures and include the appropriate units. Part C Determine the apparent gas constant of the mixture. Express your answer to three significant figures. Part D What-if Scenario: What would the apparent gas constant of the mixture be if hydrogen were replaced by oxygen? Express your answer to three significant figures.arrow_forward
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