A liquid has its vapor pressure measured at several temperatures. A graph of the ln P vs 1/T is prepared and appears below. If the equation for the line is.. y = -4699.3 k X + 2.38 What is ΔHvap for the liquid in kJ/mol? Answer should be 4 sig figs.

A liquid has its vapor pressure measured at several temperatures. A graph of the ln P vs 1/T is prepared and appears below. If the equation for the line is.. y = -4699.3 k X + 2.38 What is ΔHvap for the liquid in kJ/mol? Answer should be 4 sig figs.

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter16: Spontaneity Of Reaction

Section: Chapter Questions

Problem 93QAP

See similar textbooks

Related questions

Q: 34. The smell of fresh-cut pine is due in part to a cyclic alkene called pinene. A graph of the…

A: In this question, we will determine the enthalpy of Vaporization of pinene. You can see details…

Q: Table 2. Gibbs Free Energies of formation (kJ), ∆G°f, for Ions in 1M Solution and Ionic Solids…

A: Change Standard in Gibbs Free Energy can be given as- For NaCl: Change Standard in Gibbs Free…

Q: Crude petroleum is formed from organic matter that accumulates in sea basins and estuaries and…

A: Solution -

Q: Quien a tompound Cc1₂f₂ the heat of vaherization of ccb₂f₂ is 289 ulg give the mas masa at this…

A: Given : Heat of vapourisation of CCl2F2 = 289 J/g Mass of water = 200 gm Temperature of water =…

Q: he following information is given for cobalt at 1atm: boiling point = 3097 °C Hvap(3097 °C) = 389…

A: Solution -

Q: The melting point of water at the pressure of the interest (1 atm) is 0 oC and the enthalpy of…

A: The conversion of matter from one phase to another phase require energy in form of enthalpy , that…

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

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

Q: Consider a system where 2.40 mol of CH3CN(g) are converted into CH3CN(I) at 1.00 atm and 82.0 °C.…

A: Given that : Number of moles of CH3CN = 2.40 moles Pressure = 1.00 atm Initial temperature = 82.00C…

Q: 7.2 A normal boiling point of Zn(l) is 1181K. At this temperature △Hvap is 114,440 (J/mol) and molar…

Q: The following information is given for copper at latm: boiling point = 2567 °C AHvap lvap(2567 °C)%…

A: Given that : At 1 atm pressure, the information about copper is given below : Given mass of copper…

Q: The following information is given for cadmium at 1atm: boiling point = 765 °C Hvap(765 °C) = 100…

A: Mass of Cd = 48.1 g Molar mass(MM) of Cd =122 g/mol Moles(n) = mass/MM = 48.1/112.4 =…

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

A: According to the celsius clapeyron equation, ln(P2 / P1 ) = (-ΔHvap / R) X ( 1/T2 - 1/T1) where P2…

Q: 1.55 g potassium nitrate is added to a calorimeter containing 100.0 mL. water at 22.50 oC. The…

A: Given: 1.55 g potassium nitrate is added to a calorimeter containing 100.0 mL water at 22.50 oC.…

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

Q: The following information is given for copper at latm: AHvap(2567 °C) = 305 kJ/mol AHfus(1083 °C) =…

A: Since the freezing is done at the normal melting point i.e is at a constant temperature of 1083 0C…

Q: Use the phase diagram below to state what would be observed when a sample of carbon dioxide,…

A: The correct answer is option B. More liquid will be formed. The critical temperature of carbon…

Q: 7.13 The vapor pressure of water at 25°C is 23.76 torr. (a) If 0.360 g of H,0 is placed in an empty…

A: Vapour pressure is a measure of the tendency of a material to change into the gaseous or vapour…

Q: kPa is the dissociation vapor pressure 608 of AB salt at 427°C and at 459°C it has increased to 1115…

A: Answer :- Here I have explained the detailed solution . Hope this will help you !!!!!! First step,…

Q: Calculate the work done on or by the system when 2.65 mol of liquid H2O vaporizes. (in Joules)

A: Given:At exactly 100.0oC and 1.00 atm total pressure, 1.00 mole of liquid water and 1.00 mole of…

Q: At a steelworks, molten iron is heated to1500° Celsius to remove impurities. It is most accurate to…

A: Correct answer is : (v) all three of these. Molten iron contains a large amount of (i)…

Q: seawater sample contains 2.5% NaClNaCl (MW=58.44 g/mol) by mass. Calculate the normal boiling point…

Q: Which one statement in italics is NOT correct? Other given information is correct. a. The…

A: As there are more than three parts of this question, we have solved the first three parts for you,…

Q: 3. The vapor pressure of methanol (1) at 298 K is 16.94 x 10³ Pa. Calculate A, G° (CH30H, g) –…

Q: TRUE OR FALSE: Metals at the lower position in the Ellingham diagram (ex: Aluminum Magnesium and…

A: Statement : Metals at lower position in the Ellingham diagram , are not stable and easily forms…

Q: What is the boiling point of the automobile radiator fluid prepared by mixing 1.06 L of ethylene…

A: Given : Volume of ethylene glycol = 1.06 L = 1060 mL (Since 1 L =…

Q: It sodium perchlorate is soluble in water. When 7.41 g of NaCIO4 is dissolved in 108.00 g of water,…

Q: Which has the greatest vapour pressure at 25°C? SiO2 CO2 H2O

A: At constant temperature, vapor pressure depends on the intermolecular forces. Vapor pressure will be…

Q: The enthalpy change for comverting 10. gof ice at 250"Cewaterat 700 "Cs A H601 k/mol and AH 47 /mol…

A: The mass of the water sample is = 10.0 g The initial temperature of the water is = -25.0oC The final…

Q: The following information is given for copper at 1atm: AHvap(2567 °C) kJ/mol 305 boiling point 2567…

Q: The following information is given for water at latm: boiling point = 100 °C AHap(100 °C) = 40.7…

Q: The vapor pressure of pure "Freon 11" and pure "Freon 12" at 25°C. Are 15 lb/in2 and 85 lb/in²…

A: Solution - According to the question - Given - then mol of freon-12 = 1 mol so that ratio is 0.6…

Q: f the enthalpy of vaporization AHº, certain liquid = 28.7 kJ/mol and its vapor for a vap. pressure…

Q: Water has AH,ap-41KJmol, vapor pressure at 373 is 101.3Kpa. what vapor pressure at 298K?

Q: plot of the reciprocal of absolute temperature (1/T) versus natural logarithm of vapor pressure (In…

Q: s all melt at temperatures lower than their salts. ローロ B 21 (1) → 1, (3) + 2e ? Mg*(1) + 21¯(4) →…

A: As we know, in electrolytic cell , Oxidation takes place at anode and reduction takes place at…

Q: The following information is given for cobalt at latm: boiling point = 3097 °C AHvap(3097 °C) = 389…

A: Given information is: Cobalt is present at 1 atm pressure. Boiling point =3097°c = 3370K…

Q: 1.55 g potassium nitrate is added to a calorimeter containing 100.0 mL. water at 22.50 oC. The…

Q: The vapor pressure of propanone is 15.40 kPa at 10°C and 81.65 at 50°C. Calculate the temperature at…

Q: Table 2. Gibbs Free Energies of formation (kJ), ∆G°f, for Ions in 1M Solution and Ionic Solids…

Q: The experimentally measured vapor pressure of SO2 at -25oC is 49.5 kPa and at OoC is 155 kPa.…

Q: A student determines the heat of dissolution of solid ammonium chloride using a coffee-cup…

Q: Could you help me with #8? I included a picture of the phase diagram that was given.

A: Critical point: a point on a phase diagram at which both the liquid and gas phases of a substance…

Q: Calculate deltaH (in KJ), Freezing 0.375 moles of liquid Br2. Br-(aq) = -121.6 KJ/mole Condensing…

A: We have to calculate ∆H for the process., A) Freezing 0.375 moles of liquid Br2 B) Condensing 500.0g…

Q: What is Δq for the vaporization of 50.0 g of Compound A (76.03 g/mol; ΔHvap is 31.6 kJ/mol)?

A: Heat of vapourisation is the enthalpy change when one mole of a substance is vapourised.

Q: The following information is given for manganese at 1atm: boiling point = 2095 °C Hvap(2095 °C) =…

Q: How many KJ of heat are needed to raise the temperature of 10.0 Kg o fliquid water from 24.6 to…

A: The relationship between heat and change in temperature is given by

Q: AH° = 301.5 kJ/mol, AS° = 761.4 J/mol-K %3D %3D Calculate the boiling point temperature (in K) at…

A: The melting point or boiling point of a substance is the measure of thermal energy. It is the energy…

Q: Magnesium sulfate is often used in first-aid hot packs, giving off heat when dissolved in water. A…

A: Heat is evolved when Magnesium sulfate is dissolved in water. According to the basic principle of…

Question

100%

A liquid has its vapor pressure measured at several temperatures. A graph of the ln P vs 1/T is prepared and appears below. If the equation for the line is..

y = -4699.3 k X + 2.38

What is ΔH_vap for the liquid in kJ/mol?

Answer should be 4 sig figs.

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

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 2 images

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

Calculate deltaH (in KJ), Freezing 0.375 moles of liquid Br2. Br-(aq) = -121.6 KJ/mole Condensing 500.0g of mercury vapor. Hg^2+ (aq) = +171.1 KJ/mole
What is Δq for the vaporization of 50.0 g of Compound A (76.03 g/mol; ΔHvap is 31.6 kJ/mol)?
Which one statement in italics is NOT correct? Other given information is correct. a. The condensation of steam of liquid water is exothermic. b. When 1 mole of NH4NO3 dissolves in water, the temperature of the water decreases. This dissolution process is endothermic. c. The enthalpy change for freezing 1 mol of wter is -6.0 kJ. This process is exothermic. d. 1 mol of Ca + 1 mol Br2 has a higher enthalpy than 1 mole CaBr2. Thus, the combination reaction of calcium with bromine to give calcium bromide is exothermic. e. When sodium bicarbonate decomposes, heat is absorbed from the surroundings. Thus, the decomposition of sodium bicarbonate is exothermic.
The normal boiling point of hexane is 69°C. Estimate 1. its enthalpy of vaporization and 2. its vapor pressure at 25°C
is the phase diagram of sulphur. At 95.4˚C, the densities of rhombic andmonoclinic sulphur are 2.07 g cm-3and 1.96 g cm-3, whilst the enthalpy change for thephase transition from rhombic to monoclinic sulphur is 0.3 kJ mol-1. i) How many triple points are there?ii) What is the most stable form of sulphur under normal conditions?iii) Describe what happens when sulphur at 1 atm is heated from 80˚C to 200˚C.iv) Determine the volume change ΔV for the transformation from rhombic tomonoclinic sulphur.v) Estimate the pressure at which rhombic and monoclinic sulphur coexist inequilibrium at a temperature of 373 K.
The equilibrium vapor pressure of water at 70.0°C is 233.7 torr. If 0.190 g of H2O is collected in a closed 325.0-mL flask maintained at 70.0°C, which phase(s) of water will be present in the flask? Assume the density of liquid water is 1.00 g/mL.
21. 13.6 g of solid ammonium nitrate (NH4NO3, molar mass 80.052 g/mol) is dissolved in 120 mL of water. The temperature change, ΔT, of the system is -4.14 ºC. Calculate the heat of solution for ammonium nitrate in kJ/mol. (Assume no heat is lost to the calorimeter, specific heat of solution = 4.184 J g-1 deg-1) 2.31 kJ/mol 3.93 kJ/mol 2.08 kJ/mol 13.6 kJ/mol 12.2 kJ/mol
The following information is given for silver at 1atm: boiling point = 2212 °C Hvap(2212 °C) = 254 kJ/mol melting point = 961 °C Hfus(961 °C) = 12.0 kJ/mol specific heat solid= 0.238 J/g°C specific heat liquid = 0.285 J/g°C What is H in kJ for the process of freezing a 26.9 g sample of liquid silver at its normal melting point of 961 °C. ______kJ
7.2 A normal boiling point of Zn(l) is 1181K. At this temperature △Hvap is 114,440 (J/mol) and molar volume of Zn(l) is 9.42 (cm3/mol). Calculate the followings at 850K. (R = 0.082 atm-L/mol-K, 1J = 9.87cm3-atm) (a) Calculate the pressure of Zn(g) in equilibrium With Zn(l). (b) Calculate dP/dT, the slope of the liquid-vapor curve.
Which has the greatest vapour pressure at 25°C? SiO2 CO2 H2O
The normal boiling point of benzene is 80.1°C. What is its enthalpy of vaporization if the vapor pressure at 26.1°C is 100 torr?
The following information is given for cadmium at 1atm: boiling point = 765 °C Hvap(765 °C) = 100 kJ/mol melting point = 321 °C Hfus(321 °C) = 6.11 kJ/mol specific heat solid= 0.230 J/g°C specific heat liquid = 0.264 J/g°C What is H in kJ for the process of freezing a 48.1 g sample of liquid cadmium at its normal melting point of 321 °C._______ kJ