Question: 2. The evaporation enthalpy for a liquid is AH = 52 kJ/mol and the saturation vapor pressure at t= -10C is Psat = 0.23

2. The evaporation enthalpy for a liquid is AH- 52 kJ/mol and the saturation vapor pressure at t-10?C is Psat-0.23 kPa. Find the saturation pressure at t 15?C. The gas constant is R- 8.314 J mol K

2. The evaporation enthalpy for a liquid is AH = 52 kJ/mol and the saturation vapor pressure at t= -10C is Psat = 0.23 kPa. Find the saturation pressure at t = 15C. The gas constant is R = 8.314 J mol" K'.

Step by Step Solution

★★★★★

3.32 Rating (161 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

AH 52KJmot T 1oc 263K Saturation presure at 10C p 023kPa Ty 15c P Saliratio press... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mechanical Engineering Questions!

Give the stereochemical relationships between each pair of structures. Examples are same compound, structural isomers, enantiomers, diastereomers. Which pairs could you (theoretically) separate by...

The saturation pressure can be approximated as In Psat = A B/T, where A and B are constants. Use the steam tables and determine A and B from properties at 25oC only. Use the equation to predict the...

The vapour pressure of pure liquid A at 293 K is 68.8 kPa and that of pure liquid B is 82.1 kPa. These two compounds form ideal liquid and gaseous mixtures. Consider the equilibrium composition of a...

Enthalpy of steam at 75 kPa and 573 K is 3075 kJkg referred to liquid water at 273 K If the mean heat capacity of liquid water and water vapor are 42 and 197 kJkg K respectively, calculate the heat...

1. Dave is not absolutely sure that the "side" constraint of at least as much gas A as gas B is necessary. What is this constraint costing the company? That is, how much more revenue could Jansen...

Evaporation rate for the system shown in Fig. 18.2-1, what is the evaporation rate in g/hr of CC1 3 NO 2 (chloropicrin) into air at 25C Make the customary assumption that air is a "pure substance."...

The table below shows the vapor pressures, VP (kPa) for nhexane and noctane. (1) Assuming ideal solution and gas behavior, construct Txy and xy diagrams for this system at 101 kPa. (2) When a liquid...

Use data from Table 7.2 and r H for the following reaction to determine the standard enthalpy of formation of hexane, C 6 H 14 (l), at 25 C and 1 bar. Table 7.2 2 C6H14(1) + 19 O2(g) 12 CO(g) + 14...

Mean bond enthalpies can be used to estimate the enthalpy of reaction when precise data are not available. Estimate the enthalpy of the reaction between liquid bromine and gaseous propene to form...

The demand for styrene monomer continues to increase. Other companies produce styrene by alkylating benzene with ethylene to ethylbenzene, followed by dehydrogenation to styrene. Our chemists have...

Use the Clausius- Clapeyron Equation to fit the data ( vapor pressure under saturation properties ) from 200k to 40OK. What is the enthalpy of vaporization as obtained from the Clausius - Clapeyron...

Refer to the data for Hanna Company in Exercise 152. The companys income statement for the year appears below: Required: Using the direct method (and the data from Exercise 152), convert the companys...

A billiard ball of initial velocity u1 collides with another billiard ball (same mass) initially at rest. The first ball moves off at = 45o. For an elastic collision, what are the velocities of both...

Do Question 1 in format provided............ Caronport Carpentry Shop Ltd . can issue 9 0 , 0 0 0 $ 4 cumulative preferred shares. The company's letters patent authorizes up to 7 0 0 , 0 0 0 common...

What is the time value of money? Why should accountants have an understanding of compound interest, annuities, and present value concepts?

Suppose that you consume nothing but beer and pizza. In 2010, your income is $10 per week, beer costs $1 per bottle, pizza costs $1 per slice, and you buy 6 bottles of beer and 4 slices of pizza per...

Wasp Corporation has a loan agreement that provides it with cash today, and the company must pay $25,000 one year from today, $15,000 two years form today, and $5,000 three years from today. Wasp...

1. In your opinion, whose responsibility is it to initiate the payment of this debt? 2. What if London is unable to come up with the money to pay the bill when (if) it is finally submitted/ What...

An engineer wants to determine how the weight of a car, x, affects gas mileage, y. The following data represent the weights of various domestic cars and their miles per gallon in the city for the...

What is the primary purpose of a project celebration? Group of answer choices To reflect on lessons learned and achievements. To assign tasks for the next project. To critique team members'...

A rigid tank whose volume is unknown is divided into two parts by a partition. One side of the tank contains an ideal gas at 927oC. The other side is evacuated and has a volume twice the size of the...

What is a shading device? Is an internal or external shading device more effective in reducing the solar heat gain through a window? How does the color of the surface of a shading device facing...

Air at 13 psia and 65oF enters an adiabatic diffuser steadily with a velocity of 750 ft/s and leaves with a low velocity at a pressure of 14.5 psia. The exit area of the diffuser is 3 times the inlet...

Suppose you are a member of a project team that is evaluating the bids of potential contractors for developing some subassemblies for your project. Your boss makes it clear that any successful bid...

Calculate the fully loaded cost of labor for a project team member using the following data: Hourly rate .. $35/hr. Hours needed . 150 Overhead rate . 55%

Why do project teams create time-phased budgets? What are their principle strengths?