Calculate the molar entropy change (cal/mol-K) for the irreversible vaporization of superheated liquid water at 102 °C.= 9.7 kcal/mol,vap-CP, liquid water = 18 cal/mol-KCpP, steam (cal/mol-K) = 7.2 + 2.4 x 10-3T

Given data Entlaphy of vap = 9.7kcal/mol-K

Answered: pl liquid water 18 cal/mol-K %3D steam…

Engineering

Mechanical Engineering

pl liquid water 18 cal/mol-K %3D steam (cal/mol-K) = 7.2 + 2.4 x 10-3T

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Q: A drum 6 in. in diameter and 40 in. long contained acetylene at 250 psia and 90F. After some of the…

Q: In the following set of questions, we will consider a mercury-in-glass thermometer. The two…

A: a) The rationale for selecting references based on phenomena such as phase transitions is that they…

Q: If 7.53 g of CUNO, is dissolved in water to make a 0.890 M solution, what is the volume of the…

A: Here, I assume that copper (I) nitrate is used and not copper(II) nitrate. Given, mass of…

Q: In an electrochemical cell, a metal anode lost 0.227 g while a total volume of 0.08149 L of hydrogen…

Q: (Ans. 0.225; 0.1625; 0.48720.7583 kJ)

Q: 2) Calculate the volume change that occurs when 50cm3 of neon, treated as a perfect gas, is heated…

Q: How many kilograms of nickel must be added to 1.75kg of copper to yield a liquidus temperature of…

A: In the given figure, Copper - Nickel equilibrium diagram is given. It is required to determine…

Q: One kg of CO2 has a volume of 1 m³ at 100°C. Compute the pressure by (a) Van der Waal's equation (b)…

Q: Petroleum is purified by a process called fractional distillation. Select one: True False

Q: Red pistoln boiling water bath at TH = 100°C. The volume of the piston is 0.52 liters. This point is…

Q: 6. Answer the following questions regarding the Lever Rule. [ a. Describe the purpose of the Lever…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: Derive the following equation q = UA(Th – Tc) %3D

A: Deriving the equation.

Q: The Heat Capacity of an Ideal Gas at T=50 oC is equal to c= 79.314 kj (kmol. k) . What is the value…

Q: If you place 10.0 L of methanol (CH4O) in a sealed room that is 4.75 m long, 2.5 m wide, and 2.5 m…

Q: Question 1 Helium gas is contained in a cylinder by a gas-tight piston which can be assumed to move…

A: The gas used is helium and given that

Q: Please show the complete solution. (Example: Conversion of Units) How much heat in kJ must be…

Q: d. If we purify all the way to L5, what will be its boiling point and composition then?

A: Fractional distillation is a kind of distillation that uses a fraction In a fractionating column, a…

Q: A sample containing 1.0 mole of oxygen gas initially at 45 degrees Celsius is heated to 110 degrees…

A: Road map: change in enthalpy = m*cp*delta T Here Cp must be integrated. 1 mole O2 =32 gm O2 = 0.032…

Q: Water in a 127 mm diameter, 3 m long tank cools from 930C to 88 oC in 75 minutes. The ambient…

A: Diameter = 127 mm Length = 3 m Time t1 = 75 minutes

Q: Helium (R=0.4968 BTU/lbm-R) is compressed isothermally from 14.7 psia and 68°F. The compressed…

Q: At what temperature does the first liquid phase form at 90% Ni? T(°C) 1600 1500 1400 1300 1200 1100…

Q: Calculate the weight fraction for phases at point B? what are those phases? Is there any eutectic…

Q: Using appropriate tables provided in the lecture material, determine the missing properties and the…

A: The given table can be completed by using the appropriate tables that include tables for saturated…

Q: T (°C) Р (кра) u (k]/kg) Phase description 20 5000 150 631.68 225 2000 30 Saturated liquid

A: (1) The internal energy of water at given pressure and temperature is The phase is sub-saturated…

Q: 4) The vertical, frictionless piston is moving down as the fluid cools (left image). The cooling…

A: To Find : The processes which occur during the cooling process. Given : The piston moving diagram…

Q: Temperature (°C) 100 80 60 40 20 Sugar Water 100 Problem 1 Consider the sugar-water phase diagram…

Q: Determine the mass of 0.25 m° of steam at 5 bar pressure and 0.85 dryness fraction. Proceed to…

Q: Question Solution & Answer 1. A l-m' rigid tank contains 10 kg of water (in any phase or phases) At…

A: 1. Given, mass, m=10kgvolume, V=1m3Temperature, T=160°C=433KTo calculate :- PressureFrom the gas…

Q: Given the following: Cp of Br: 0.226 J/g-K BP of Br: 59 deg C density of Br: 3.12 g/mL Hvap of…

A: Given:Specific heat of Br, Cp=0.226 J/g-KBoiling point of Br=59o CDensity of Br=3.12 g/mlenthalpy of…

Q: What is the solubility of naphthalene at 50 C in an ideal solution? The melting point of naphthalene…

A: Given data: The melting point of naphthalene (T∘) = 90°C=90°C+273.15=363.15 K. The initial…

Q: 4-24E Complete this table for H,O: T, °F P, psia u, Btu/lbm Phase description 300 782 Saturated…

Q: Q3) Compute the change in Gibbs free energy of a certain material when 2 mol is heated from 298 K to…

A: Given Number of miles, n = 2 Initial temperature, T1= 298 K Final temperature, T2=1100…

Q: The following table shows the measurements made at 9 points in the occupied zone of an air…

A: The different measured values of EDT and air velocities inside the occupied zone of an…

Q: As pure iron is heated up through 910°C will it: 1600 C 1400 C liquid 910 C Y + cementite Fe,C…

A: Given :- As pure iron is heated up through 910° C will it Select one Contract Expand Maintain…

Concept explainers

Processing of Polymer Matrix Composites

The polymer matrix composite is described as a composite material that contains some polymer in the form of either fibers or powder. Polymer matrix composites are also known in short as PMC's.

Question

Calculate the molar entropy change (cal/mol-K) for the irreversible vaporization of superheated liquid water at 102 °C.
= 9.7 kcal/mol,
vap-
C
P, liquid water = 18 cal/mol-K
Cp
P, steam (cal/mol-K) = 7.2 + 2.4 x 10-3T

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1 c

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Define “entropy” and discuss some of its implications;
Calculate the amount of heat added to heat 1.2 m3/s of air at 18 C and 90%RH to 45 C without the addition of moisture using the thermodynamic properties of air. Barometric pressure is 101.325 kPa. (Do not use the psychrometric chart)
4) A sample of argon at 01 atm pressure and 25C expands reversibly and adiabatically from 0.5 L to 1.0 L. Calculate its final temperature, the work done during the expansion, and the change in internal energy. The molar heat capacity of argon at constant volume is 12.48 JK-1mol-1.
Please answer part ii only given that the answer to part i is-20 degrees
Please show the complete solution. (Example: Conversion of Units) Steam at 2 MPa and 250°C in a rigid cylinder is cooled until the quality is 30%. Find the heat rejected from the cylinder. At 1.3 MPa, a mixture of steam and water has an entropy of 3 kJ/kg-K, Find the enthalpy of the mixture. @ 1.3MPa: sf = 2.2515 kJ/kg-K sg = 6.4952 kJ/kg-K hf = 814.93 kJ/kg hfg = 1972.7 kJ/kg
A mole sample of liquid ammonia at 273 Kelvin is cooled to liquid ammonia at 240 Kelvin. The process is done irreversibly by placing the sample in liquid nitrogen at 77 Kelvin. The heat capacity relationship for ammonia gas is given below. Assuming that the heat of vaporization is 23.4 KiloJoules per mole, answer the questions that follow. What is the entropy change of this process (in Joules per Kelvin)? Express answer in THREE SIGNIFICANT FIGURES. What is the entropy change of the surroundings for this process (in Joules per Kelvin)? Express answer in THREE SIGNIFICANT FIGURES. What is the total entropy change (or the entropy of the universe) for this process (in Joules per Kelvin)? Express answer in THREE SIGNIFICANT FIGURES.
Question : Determine the units of the quantity s ̄/Ru, where s ̄ is the molar specific entropy and Ru is the universal gas constant. Explain your answer please
Carbon dioxide (molar mass 44 kg/kmol) expands rever sibly in a perfectly thermally insulated cylinder from 3.7 bar, 220 °C to a volume of 0.085 m'. If the initial volume occupied was 0.02 m', calculate the gas constant, adiabatic index, final pressure and work input. Assume nitrogen to be a perfect gas and take cv = 0.63 k J /kg K. Assessor's Signature Moderator's Signature
Boiler raises 3.7 kg of water per kg of coal from feed water at 54.5oC,to steam at the pressure of 34 bar and temperature of 370oC. Calculate the equivalentevaporation per kg of coal.
Three moles of an ideal gas at 100 kPa pressure and 20oC are heated reversibly at constant pressure until the final temperature is 80oC. For the gas, the heat capacity at constant pressure varies with themperature according to the equation; Cp = 35.56 + 1.34 x 10-2 T J mol1 K-1 . Calculate q, w . DU and DH Answer: [7.18 kJ; -1.50 kJ; 5.68 kJ; 7.18 kJ]
thermodynamics
Nitrogen(M=28) expands reversibly in a perfectly thermally insulatedcylinder from 3.5 bar, 200 oC to a volume of 0.09m3. If the initial volume occupiedwas 0.03m3, calculate the work done during the expansion. Take cv=0.714 kJ/kgK. . . (9.31kJ)