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(25 pts) Estimate the volume occupied by 20 kg of Methanol vapor at...
1.) Estimate the volume change of vaporization for ammonia at 20ºC. At this temperature, the vapor...
1.) Estimate the volume change of vaporization for ammonia at 20ºC. At this temperature, the vapor pressure of ammonia is 857 kPa. 2.) Consider o-xylene at 240ºC. Determine Z and V (cm3 /mol) when: a.) P = 1 bar (vapor) b.) P = 4 bar (vapor) c.) P = 7.43 bar (saturated vapor) d.) P = 7.43 bar (saturated liquid) 3.) Consider the o-xylene from Problem 2. What is the final volume of the liquid if the saturated liquid at...
1) What volume in L is occupied by 6.15 moles of an ideal gas at a...
1) What volume in L is occupied by 6.15 moles of an ideal gas at a pressure of 4.7 bar at 298 K? 2) The molar constant volume heat capacity of sulfur hexafluoride approaches xR at high temperatures. What is x? Assume ideality. 3) 8 moles of gas is reversibly compressed from 8.3 L to 1 L at 298 K. Compute the work. 4) 1878 kg is dumped onto the top of a huge piston of surface area 1m2, and...
05/03/2019 Problem 5 (20 pts) 4-kg of water vapor contained within a piston-cylinder assembly, initialy at 5 bar, s00°C, undergoes an adiabatic expansion to a state where pressure is 1 bar and th...
05/03/2019 Problem 5 (20 pts) 4-kg of water vapor contained within a piston-cylinder assembly, initialy at 5 bar, s00°C, undergoes an adiabatic expansion to a state where pressure is 1 bar and the temperature is (a) 360°C, (b) 200°C. Using the entropy balance equation below, explain the nature of the process in each case. +σ ,-1.0 har-a10 MPa 004034 2712 30229 1.5 200 2172 1 2875.3 .4 120 05416 237 3105.6 .50 240 2359 27185 29545 7,9949 2.546 | 277401...
4. A rigid container of 0.2 m3 volume contains a gas at a pressure of 2 bar and a temperature. 25 C. If the charact...
4. A rigid container of 0.2 m3 volume contains a gas at a pressure of 2 bar and a temperature. 25 C. If the characteristic constant for the gas is 0.35 kJ kg-1K-1, calculate: (a) The mass of the gas (b) The pressure of the gas after it is heated to 250°C
4. A rigid container of 0.2 m3 volume contains a gas at a pressure of 2 bar and a temperature. 25 C. If the characteristic constant for the...
need A & C Part A Calculate the volume of 1.32 mol of liquid water at a temperature of 20 °C (at which its den...
need A & C
Part A Calculate the volume of 1.32 mol of liquid water at a temperature of 20 °C (at which its density is 998 kg/m?) Express your answer in meters cubed. 10 AED O ? 24.11 Submit Previous Answers Request Answer * Incorrect; Try Again: 4 attempts remaining Part B Calculate the volume occupied by 1 32 mol of steam at 200 "C. Assume the steam is at atmospheric pressure and can be treated as an ideal...
Extra Credit (20 pts) 10 moles of an ideal gas expands from a volume of 0.2...
Extra Credit (20 pts) 10 moles of an ideal gas expands from a volume of 0.2 m3 to a volume of 0.8 m3 by an adiabatic free expansion (no work). a. Does the internal energy of the gas change? Why or why not? b. Does the temperature of the gas change? Why or why not? c. Does the entropy of the gas change? Why or why not d. Would the entropy change be any different if the gas expanded from...
Problem 4 (15 pts) (a) (8 pts.) Air enters a one-inlet, one-exit control volume at 7...
Problem 4 (15 pts) (a) (8 pts.) Air enters a one-inlet, one-exit control volume at 7 bar, 600 K, and 50 m/s through a flow area of 38 cm2. At the exit, the pressure is 4 bar, the temperature is 460 K, and the velocity is 300 m/s. The air behaves as an ideal gas. For the steady-state operation, determine the exit flow area, in cm2 (b) (7 pts.) An inventor claims to have developed a heat pump cycle having...
1. (8 pts) Virtually every pchem textbook has a table of enthalpy values for 25°C. One...
1. (8 pts) Virtually every pchem textbook has a table of enthalpy values for 25°C. One use for these may be to calculate the enthalpy for a phase change such as compounds boil at 25°C. You are going to calculate the percent difference between the heat of vaporization of ethanol using data for 25°C and that at its boiling point of 78°C. boiling. However, not too many a) Write the chemical equation that shows the vaporization of 1 mol of...
Problem 4 – Entropy transfer in a control volume (18 pts) An adiabatic reversible steam turbine...
Problem 4 – Entropy transfer in a control volume (18 pts) An
adiabatic reversible steam turbine steadily processes 2 kg/s of
steam at 5 MPa and 450°C, which is exhausted at 100 kPa and 100°C.
The turbine exhibits an isentropic efficiency of 0.85. a) Draw a
schematic representation of the system with all the energy
interactions involved. (2pts) b) Determine the h (kJ/kg) and s
(kJ/kg-K) at the inlet. (2 pts) c) Determine the actual h (kJ/kg)
and s (kJ/kg-K)...
BEng 3M - 2019/20:SEMI THERMODYNAMICS II (ENG3002) Tutorial: Topic #2 - Gibbs Eqns and Maxwell Relations...
BEng 3M - 2019/20:SEMI THERMODYNAMICS II (ENG3002) Tutorial: Topic #2 - Gibbs Eqns and Maxwell Relations QUESTION 1. Pressure (bar) Temperature 60 80 100 5 6 7 8 Cylinder Cylinder Cylinder Cylinder Volume Volume Volume Volume (m (m) m ( m ) 0.2695 0.22150 1872 0.1614 0.2923 0.2412 0.20470 1772 031410 259002210 1919 0 33540277002367 0 2059 03562 0.2955 02521 0 2105 037680.31290 2671 0 2328 0.3973 0 33 0.282 02452 0.4176 03470 2967 0 2589 0.4377036390.31130 2717 140 160...
05/03/2019 Problem 5 (20 pts) 4-kg of water vapor contained within a piston-cylinder assembly, initialy at 5 bar, s00°C, undergoes an adiabatic expansion to a state where pressure is 1 bar and the temperature is (a) 360°C, (b) 200°C. Using the entropy balance equation below, explain the nature of the process in each case. +σ ,-1.0 har-a10 MPa 004034 2712 30229 1.5 200 2172 1 2875.3 .4 120 05416 237 3105.6 .50 240 2359 27185 29545 7,9949 2.546 | 277401...
4. A rigid container of 0.2 m3 volume contains a gas at a pressure of 2 bar and a temperature. 25 C. If the characteristic constant for the gas is 0.35 kJ kg-1K-1, calculate: (a) The mass of the gas (b) The pressure of the gas after it is heated to 250°C
4. A rigid container of 0.2 m3 volume contains a gas at a pressure of 2 bar and a temperature. 25 C. If the characteristic constant for the...
need A & C
Part A Calculate the volume of 1.32 mol of liquid water at a temperature of 20 °C (at which its density is 998 kg/m?) Express your answer in meters cubed. 10 AED O ? 24.11 Submit Previous Answers Request Answer * Incorrect; Try Again: 4 attempts remaining Part B Calculate the volume occupied by 1 32 mol of steam at 200 "C. Assume the steam is at atmospheric pressure and can be treated as an ideal...
Extra Credit (20 pts) 10 moles of an ideal gas expands from a volume of 0.2 m3 to a volume of 0.8 m3 by an adiabatic free expansion (no work). a. Does the internal energy of the gas change? Why or why not? b. Does the temperature of the gas change? Why or why not? c. Does the entropy of the gas change? Why or why not d. Would the entropy change be any different if the gas expanded from...
Problem 4 (15 pts) (a) (8 pts.) Air enters a one-inlet, one-exit control volume at 7 bar, 600 K, and 50 m/s through a flow area of 38 cm2. At the exit, the pressure is 4 bar, the temperature is 460 K, and the velocity is 300 m/s. The air behaves as an ideal gas. For the steady-state operation, determine the exit flow area, in cm2 (b) (7 pts.) An inventor claims to have developed a heat pump cycle having...
1. (8 pts) Virtually every pchem textbook has a table of enthalpy values for 25°C. One use for these may be to calculate the enthalpy for a phase change such as compounds boil at 25°C. You are going to calculate the percent difference between the heat of vaporization of ethanol using data for 25°C and that at its boiling point of 78°C. boiling. However, not too many a) Write the chemical equation that shows the vaporization of 1 mol of...
Problem 4 – Entropy transfer in a control volume (18 pts) An
adiabatic reversible steam turbine steadily processes 2 kg/s of
steam at 5 MPa and 450°C, which is exhausted at 100 kPa and 100°C.
The turbine exhibits an isentropic efficiency of 0.85. a) Draw a
schematic representation of the system with all the energy
interactions involved. (2pts) b) Determine the h (kJ/kg) and s
(kJ/kg-K) at the inlet. (2 pts) c) Determine the actual h (kJ/kg)
and s (kJ/kg-K)...
BEng 3M - 2019/20:SEMI THERMODYNAMICS II (ENG3002) Tutorial: Topic #2 - Gibbs Eqns and Maxwell Relations QUESTION 1. Pressure (bar) Temperature 60 80 100 5 6 7 8 Cylinder Cylinder Cylinder Cylinder Volume Volume Volume Volume (m (m) m ( m ) 0.2695 0.22150 1872 0.1614 0.2923 0.2412 0.20470 1772 031410 259002210 1919 0 33540277002367 0 2059 03562 0.2955 02521 0 2105 037680.31290 2671 0 2328 0.3973 0 33 0.282 02452 0.4176 03470 2967 0 2589 0.4377036390.31130 2717 140 160...
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