
A)
Identify the following system and process is,
- • steady state, at equilibrium, or neither.
- • Isothermal, isobaric, isochoric, adiabatic closed, or open system is applicable or not
System: An ice cube
Process: The ice cube is inside a freezer, where is has already been for some time before the process begins. The process lasts 24 hours, during which the freezer door is never opened.
B)
Identify the following system and process is,
- • steady state, at equilibrium, or neither.
- • Isothermal, isobaric, isochoric, adiabatic closed, or open system is applicable or not
System: An ice cube
Process: The ice cube is inside a freezer. The freezer door is opened, allowing room temperature air in. The door is open for one minute, and the process ends 10 minutes after the door is closed.
C)
Identify the following system and process is,
- • steady state, at equilibrium, or neither.
- • Isothermal, isobaric, isochoric, adiabatic closed, or open system is applicable or not
System: The air inside a hot air balloon.
Process: The balloon rises from the ground to a height of 1000 feet.
D)
Identify the following system and process is,
- • steady state, at equilibrium, or neither.
- • Isothermal, isobaric, isochoric, adiabatic closed, or open system is applicable or not
System: The air inside a hot air balloon
Process: The balloon floats, stationary, 1000 feet above the ground. The air in the balloon is maintained at a constant temperature.
E)
Identify the following system and process is,
- • steady state, at equilibrium, or neither.
- • Isothermal, isobaric, isochoric, adiabatic closed, or open system is applicable or not
System: A wood furnace and its contents
Process: Wood is piled inside the furnace. When the process begins, the wood is already burning and the furnace and its contents are at a uniform T = 300°F. At the end of the process, 10 minutes later, the temperature is still a uniform T = 300°F.
F)
Identify the following system and process is,
- • steady state, at equilibrium, or neither.
- • Isothermal, isobaric, isochoric, adiabatic closed, or open system is applicable or not
System: A section of a water pipe
Process: Water is flowing through the pipe at a constant flow rate and a constant, uniform temperature.
G)
Identify the following system and process is,
- • steady state, at equilibrium, or neither.
- • Isothermal, isobaric, isochoric, adiabatic closed, or open system is applicable or not
System: The water in a sink
Process: The process begins immediately after the faucet is turned off. The water is initially at 90°F, the ambient air is at 70°F. The process Continues for 24 hours, during which evaporation is negligible and no water is added or removed.
H)
Identify the following system and process is,
- • steady state, at equilibrium, or neither.
- • Isothermal, isobaric, isochoric, adiabatic closed, or open system is applicable or not
System: Your body
Process: You are stationary and immersed in bathwater at 98.6°F throughout the process.

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Chapter 1 Solutions
Fundamentals Of Chemical Engineering Thermodynamics
- Please show your work thanks.arrow_forwardA pipe 1.2 m diameter and 20 km long transmits water of velocity of 2 m/s. The friction coefficient of pipe is 0.007. Calculate the head loss due to friction?arrow_forwardA gas pipeline, NPS 20 with 0.500 in. wall thickness, transports natural gas (specific gravity = 0.6) at a flow rate of 250 MMSCFD at an inlet temperature of 60°F. Assuming isothermal flow, calculate the velocity of gas at the inlet and outlet of the pipe if the inlet pressure is 1000 psig and the outlet pressure is 850 psig. The base pressure and base temperature are 14.7 psia and 60°F, respectively. Assume compressibility factor Z = 1.00. What is the erosional velocity for this pipeline based on the above data and a compressibility factor Z = 0.90?arrow_forward
- H.W.1 : The elementary liquid phase reaction A + BR + S is conducted in a setup consisting of a mixed reactor, into which two reactant solutions are introduced, followed by a plug flow reactor. The component B is used in a large excess so that the reaction is first order with respect to A. Various ways to increase the production rate are suggested, one of which is to reverse the order of these units. How would this change/affect conversion?arrow_forwardH.W.2 : The kinetics of the liquid phase decomposition of A is studied in two mixed flow reactors in series, the second unit having twice the volume of the first one. At steady state with a feed with CA, = 1 mol/l and mean residence time of 96 s in the first reactor, the concentration of A in the first unit (reactor) is 0.5 mol/l and in the second is 0.25 mol/l. Find the rate equation for the decomposition of A.arrow_forwardA natural gas consists of the following molar composition: C1 = 0.871, C2 0.084, C3 = 0.023, CO2 = 0.016 and H2S = 0.006. Calculate the gas gravity to airarrow_forward
- 8 9:07 D Asiacell من تدوير العجلة. إستمر في إستخدام تطبیق آسياسيل للحصول على المزيد من العروض المميزة! الأحد، ١٦ مارس إنتهت صلاحية الإنترنت التي تلقيتها من تدوير العجلة. إستمر في إستخدام تطبیق آسياسيل للحصول على المزيد من العروض المميزة! الاثنين، ۱۷ مارس 1000 د ارسلت من ر رصيدك الى 7707268140 في 2025/03/17. 350 د تم إستقطاعها من رصيدك لهذه العملية 8000 د ارسلت من رصيدك الى 7707268140 في 2025/03/17. 350 د تم إستقطاعها من رصيدك لهذه العملية Vol) Voi) ٨:٥٤ ص ٢:١٤ ص ٩:٥٢ م 29:07 III =arrow_forwardPGE508 Assignment 2 A mixture with 4% n-pentane, 40% n-hexane, 50% n-heptane, and 6% n-octane is to be distilled at 14.7 lb/in² (1 atm.) with 98% of the hexane and 1% of the heptane recovered in the distillate. If the liquid feed is a saturated liquid (i.e., q= 1). Calculate i.) The product compositions, ii.) The top and bottom temperature iii.) Minimum reflux ratio (Rm), iv.) Minimum theoretical plates and v.) Actual plates when the reflux ratio is 2Rm. Table 1: Component boiling point and molar mass Component Boiling point n-C5 97°F n-C 156.2°F n-C 209.1°F n-C8 258.1°F Molar mass 72.2 86.2 100.2 114.2 Hint: Since 1% of heptane is specified to be recovered in the distillate, 99% of heptane is to be recovered in the bottom.arrow_forward1. The table below shows data reported for the adsorption of n-butane on silica gel at 50°C. For this catalyst a surface area of 832 m²/g has been reported. Adsorbed concentration Gas concentration (x106 mol/cm³) (x103 mol/g) 0.08 0.02 0.28 0.09 0.60 0.15 0.70 0.195 0.96 0.23 1.20 0.27 1.54 0.325 1.60 0.35 1.92 0.365 1.90 0.385 1.94 0.395 a. Use the data and the equation described in class for Langmuir monolayer absorption to determine the surface area of the catalyst. How does it compare with the surface area reported? b. Use the BET adsorption isotherm to calculate the catalyst surface area. How do the two methods compare? c. Usethe Hutting adsorption isotherm to calculate catalyst surface area. How does it compare with the other two isotherms?arrow_forward
- The one dimensional, single phase pressure equation in its general form is as follows (p = fluid density, Q = porosity, k=permeability and m= viscosity): (po) ap ӘР pk (др dx μ дх Equation (1) A) Say in words what the terms on each side of Equation 1 actually mean B) If the rock is incompressible and the fluid compressibility is given by Cf write the 8(po)/SP term in terms of D, p and Cf.arrow_forwardPGE508 Assignment 2 A mixture with 4% n-pentane, 40% n-hexane, 50% n-heptane, and 6% n-octane is to be distilled at 14.7 lb/in² (1 atm.) with 98% of the hexane and 1% of the heptane recovered in the distillate. If the liquid feed is a saturated liquid (i.e., q = 1). Calculate i.) The product compositions, ii.) The top and bottom temperature iii.) Minimum reflux ratio (Rm), iv.) Minimum theoretical plates and v.) Actual plates when the reflux ratio is 2Rm. Table 1: Component boiling point and molar mass Component Boiling point n-C 97°F n-C 156.2°F n-C 209.1°F n-Cs 258.1°F Molar mass 72.2 86.2 100.2 114.2 Hint: Since 1% of heptane is specified to be recovered in the distillate, 99% of heptane is to be recovered in the bottom.arrow_forwardPGE508 25A Assignment 1 For a feed stream shown in the Table below, estimate the product stream compositions for 96% n-Butane recovered in the overhead product and 95% i- Pentane recovered in the bottoms. The components are arranged in order of decreasing volatility with Propane being the most volatile while n-Pentane being the least volatile. Component Propane, C3 Feed (Moles) 5 i-Butane, iC4 15 n-Butane, nC4 25 i-Pentane, iCs 20 n-Pentane, nCs 35 Total 100arrow_forward
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