The temperature dependence of the vapor pressure is given by the equation:ΔΗeInp = In A –RTWhere:p = vapor pressureT = temperatureA = pre-exponential constantAĦvap = enthalpy of vaporizationUse the rules for logarithms and exponents to solve for p.NOTE: Write AHvap as dH (with no spaces) for the answers below. Use ^ (caret) to enter superscripts.

The relation of p with T is given by the above equation. Write the expression of the given equation. lnp=lnA-∆HvapRTRearrange the above expression to calculate the value of p. lnp-lnA=-dHRTlnpA=-dHRTpA=exp-dHRTp=Aexp-dHRT Therefore, the desired value of p is obtained.

Answered: The temperature dependence of the vapor…

Science

Chemistry

The temperature dependence of the vapor pressure is given by the equation: ΔΗp Inp = In A – RT Where: p = vapor pressure T= temperature A = pre-exponential constant

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: 1 atm P 0.006 atm B -25 unt D C 0.01 T O A gas, B = liquid, C = solid, D= supercritical fluid OA=…

A: Given that, a phase diagram. We have to identify the points A, B, C, and D. Concept: Phase diagram.

Q: If your air conditioner is more than several years old, it may use the chlorofluorocarbon CCl2 F2 as…

Q: Hex-1-ene has a vapor pressure of 196.764 mmHg at 26.36 ∘C and 609.619 mmHg at 56.74 ∘C. What is…

A: If the vapor pressure of a liquid at a particular temperature is known then with the assistance of…

Q: Gases produced by a chemical reaction can easily be collected over water. To determine the pressure…

Q: It was determined that 63.5 kJ of heat is needed to vaporize enough aniline (CsHsNH2) liquid at its…

A: First of all, we need to calculate the number of moles of aniline which is vaporized. Volume of…

Q: Rank the 4 types of solids (Ionic, molecular, covalent and metallic) in order of decreasing…

A: 1. Solid are classified into ionic solid, molecular solid, mettalic solid, covalent solid on the…

Q: A new column is inserted on the spreadsheet between the T(K) and VP(mmHg) columns for the 1/T…

Q: 11 10 9 8. 7 6 5 θ. 002 0.003 1/T (к -1) In(P vap)

A: Graph is showing straight line . So we have to compair given equation to standard straight line…

Q: The vapor pressure, P, of a certain liquid was measured at two temperatures, T. The data is shown in…

A: According to Clausius-Clapeyron plot, enthalpy of vaporization can be determined by plotting a graph…

Q: Assume both axes are linear in the phase diagram for substance X below. P (atm) 1- 10 20 L 30 40 50…

Q: Calculate the vapor pressure of mercury at 25 °C if a and bare

A: T=25°C =298K

Q: The enthalpy of vaporization for water is 40.7 kJ/mol. Water has a vapor pressure of 101.3 kPa at…

Q: From the following vapor pressure data for iodomethane, an estimate of the molar heat of…

Q: 1. Mass of flask, foil, rubber band 66.3842_ g 2. Temperature of boiling water 95.60 wou 3.…

A: Acc. to Ideal gas Equation P*V = n * R *…

Q: Which physical property of liquids enables certain insects to walk on the surface? A-viscosity…

A: We know matter is mainly divided into three parts i.e., solid, liquid and gas. The properties of…

Q: In P2 1 AvapH 1 T2 T₁ R vap 1. Knowing that the AHP of water is 40.6 kJ/mol at its normal boiling…

A: Recall the given Clausius-Clapeyron equation lnP2P1=-∆vapHR1T2-1T1 Knowing the…

Q: Namely: For each set of molecules, explain which forces you think are the most important and…

A: Given that, The enthalpy of vaporization is the energy required to overcome these interactions. Thus…

Q: Which of the below materials is expected to have the highest boiling point based on its…

A: We are given 4 different hydrocarbons ethane =C2H6Butane =C4H101-butene =C4H8Pentane = C5H12We…

Q: A large container (20.0 Liters) contains a few ml of liquid water. It also contains 0.0414 moles of…

A: Dalton's law of partial pressure:- This law is made to find the partial pressure of gases from the…

Q: The vapor pressure, P, of bromine at several temperatures, T, is given in T (K) Р (Torr) the table.…

Q: Using the phase diagram provided, answer the following questions. 1,000 Solid 100 Liquid 10 Vapor 1.…

A: We have been asked to state whether the material will have a normal boiling point or not.

Q: section in your e Text. Part A The vapor pressure of nitrogen at several different temperatures is…

A: A numerical problem based on thermodynamics, which is to be accomplished.

Q: If your air conditioner is more than several years old, it may use the chlorofluorocarbon CCl2F2 as…

A: The objective of the question is to calculate the total energy evolved as heat when 18.2 g of CCl2F2…

Q: The vapor pressure of liquid bismuth is 400 mm Hg at 1.72x10³ K. Assuming that its molar heat of…

A: Given -> P1= 400mmHg T1= 1.72 × 103 K T2 = 1.68 × 103 K Molar heat of vaporization= ∆Hv= 184…

Q: 5. Using the trendline on the graph, calculate the enthalpy of vaporization (AHvap) of water. ( R =…

A: According to the clausius clapeyron equation, => ln(P) = -ΔHvapR1T + C where P = pressure ΔHvap…

Q: Which liquid is expected to have the higher surface tensio

A: It is a property of liquid that allows it to resist an external force , it is due to cohesive…

Q: The vapor pressure of a substance is measured over a range of temperatures. A plot of the natural…

Q: Determine the enthalpy of vaporization for this substance. ΔHvap =

A: The gradient of the line lnP vs 1/T graph gives the value of ∆Hvap.

Q: Temperature, °C Vapor Pressure, mm Hg 2821 36.22 2914 64.78 3008 112.1 3101 188.2 3194 307.3 3287…

A: The relation between pressure and Heat of vaporization with respect to change in temp is given by…

Q: a)The table below gives two values of Delta H° for phase changes in molecular iodine. One value is…

A: Solid → Liquid is ∆H fusion Liquid → Gas is…

Q: The phase diagram for a substance, X, is shown below. At a given temperature and pressure liquid X…

A: A question based on phase diagram that is to be accomplished.

Q: Temperature What phase change will occur if the substance begins at point H and the pressure and…

A: State H is liquid state accrording to phase diagram State G is solid state according to phase…

Q: A 6.30 g sample of solid Na3PO4⋅7H2O was heated such that the water turned to steam and was driven…

A: Given, the pressure of steam =1.00 atmamount of solid Na3PO4.7H2O =6.30 grammolar mass of…

Q: What is the molar heat of vaporation (ΔHvap) in kJ/mol of a liquid that has a vapor pressure of 641…

Q: What is the vapor pressure of a liquid (in mmHg) at 305.13 K if its AHvap = 28.9 kJ/mol and its…

A: Physical chemistry.

Question

The temperature dependence of the vapor pressure is given by the equation:
ΔΗe
Inp = In A –
RT
Where:
p = vapor pressure
T = temperature
A = pre-exponential constant
AĦvap = enthalpy of vaporization
Use the rules for logarithms and exponents to solve for p.
NOTE: Write AHvap as dH (with no spaces) for the answers below. Use ^ (caret) to enter superscripts.

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Thermodynamic Aspects of Phase Transitions

Learn more about

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

Similar questions

Mercury has a density of 13.69 g/cm3 in the liquid state and 14.193 x 103 kg/m3 in the solid state, both measured at the melting point of 234.33 K at 1 bar. If the heat of fusion of mercury is 9.7876 kJ/kg. What is the melting point of mercury at 7 bar?
The normal boiling point of a liquid is 82.5 oC. Also, the equilibrium vapor pressure of this liquid is 320 torr at 37.0 oC. Determine the molar enthalpy of vaporization of the liquid in kJ/mol (kilo-Joule/mol) with 3 significant figures.
The boiling point of 3 pure substances is given below: benzene C 6H 6 (80.1 °C), chloroform CHCI 3 (61.2 °C) and pyridine C 6H 5N (115 °C). Which of the following statements is true about their properties? O a. Benezene is most viscose among 3 liquids at 25 °C. b. Pyridine has the lowest molar enthalpy of vaporization. OC. Chloroform has the greatest vapor pressure at 30 °C. O d. At 50 °C, benzene is gas. e. Chloroform has the lowest evaporation rate at 25 °C.
Ethanol has a density of 0.789 g/cm3 and a vapor pressure of 5.95 kPa at 20.0 C. A sample of liquid ethanol is subjected to an additional pressure of 8.53 MPa of Kr. What is the vapor pressure of ethanol under these conditions?
A student collects data to determine the enthalpy of vaporization of water. Complete the following table for data collected at 42°C. Temperature 42°C Temperature T K Report your answer to 2 decimal places Volume of Gas Bubble 6.4 mL Volume V L Report your answer to 2 significant figures Height of the Water Column, h 45 mm Mercury Equivalent of Water (MEW) mm Report your answer to 2 significant figures Barometric Pressure, Pbarometric 760.4 torr Number of moles of air, nair 0.0002383 moles R 62.364 L·torr/K·mol Total Pressure of the Enclosed Gas Sample Ptotal torr Report your answer to 1 decimal place Partial Pressure of Air in the Gas Sample, Pair torr Report your answer to 1 decimal place Vapor Pressure of Water in the Gas Sample, Pwater torr Report your answer to 1 decimal place Natural log of the Vapor Pressure of Water in the Gas Sample, ln (Pwater) torr Report your answer to 2…
The figure shows the phase diagram corresponding to the element sulfur. Sulfur exists as liquid, gas, and two solids, rhombic and monoclinic. 1- Describe the phase changes that occur when S is decompressed (lower P) from 10 atm to 106atm at constant temperature of 100 °C. 2- Indicate the temperature and the pressure for the triple point B, and which phases coexist В 10.0 Solid(rhombic) Liquid 1.0 Solid (monoclinic) 5х 104 Gas A 1 x 104 95.4 114 119 445 Temperature (in degree C) Pressure (in atm)