The normal boiling point of Substance A is 87.5 °C.  Given that the vapor pressure of Substance A is 444.1 torr at 16.9 °C. Calculate the molar enthalpy of vaporization

Q: Why is the enthalpy of vaporization for water much greater than the vaporization of fusion? What…

A: Since in case of fusion, we just try to lose the packing of the molecules from solid to liquid  And…

Q: Explain what the triple point and the critical point on a phase diagram represent.

A: A phase diagram is a schematic description of a substance's physical states under various pressure…

Q: The vapor pressure of a liquid between 15°C and 35°C firs the expression log(P/Torr) = 8.750 – (1625…

A:

Q: The heat of vaporization for benzaldehyde is 48.8 kJ/mol, and its normal boiling point is 451.0 K.…

A: Interpretation: The heat of vaporization for benzaldehyde is 48.8 kJ/mol, and its normal boiling…

Q: enthalpy of vaporization for water is 44.0kJ/mol and the vapor pressure of water at 56oC is…

A: The Clausius – Clapeyron equation is shown below: Where; P1 is vapor pressure at temperature T1 P2…

Q: at what particular condition that no more heat can that be removed from a substance and the…

A: We are to name the condition when no more heat can be removed from a substance. Or no more…

Q: This table displays the vapor pressure of ammonia at several different temperatures. Use the data to…

A: From the given data, graph is drawn below.

Q: The boiling point of benzene is 80ºC. Which pair of samples will have the same average kinetic…

A: Boiling point is the temperature at which the vapour pressure of liquid is equal to the atmospheric…

Q: A student prepared the graph shown based on the vapor pressure of a liquid over a range of…

A: Since the graph is not shown and the equation is not represented properly, thus considering it to be…

Q: Explain the effect of strong intermolecular forces on each of these parameters: (a) critical…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: The vapor pressure of water at 20C is 25 mmHg and 525 mmHg at 90C. Calculate the heat of…

A: Given: The vapor pressure of water  P1=    25 mmHg At 20°C P2 =   525 mmHg at 90°C

Q: At 47.77 °C, the vapor pressure of a particular compound is 8.53 kPa, and at 143.91 °C, its vapor…

A: Given that: temperature T1 = 47.77 °C = 47.77 + 273 = 320.77 K pressure P1 =  8.53 kPa temperature…

Q: The vapor pressure of water at 5 degrees Celsius is 0.008612 atm. Calculate the vapor pressure in…

A: Convert vapour pressure from atm to kpa--

Q: Carbon tetrachloride, CCl4, was once used as a dry-cleaning solvent but is no longer used because it…

A:

Q: Determine the vapor pressure in mm Hg of a substance at 45 C if its normal boiling point is 115 C…

A:

Q: Calculate the enthalpy of vaporization of a liquid that has a vapor pressure of 144.589 mmHg at…

A: We will solve this question using clausius clapeyron equation.

Q: The vapor pressure of ammonia at –50°C is 0.4034 atm; at 0°C, it is 4.2380 atm. (a) Calculate the…

A: The molar enthalpy of vaporization can be calculated from the below formula:

Q: The vapor pressure, P, of bromine at several temperatures, T, is given in the table.

A:

Q: The vapor pressure of water is 22.6 atm at 101.7 K, and the vapor pressure of water is 68 atm at…

A: Given data is as follows: The vapor pressure P1 of water at temperature 101.7 K = 22.6 atm The vapor…

Q: The molar heats of fusion and sublimation of lead are 4.77 and 182.8 kJ/mol, respectively. Estimate…

A: UsIng the relation between molar heat of fusion , sublimation and vaporization we can find molar…

Q: (b) For mercury, the enthalpy of vaporization is 58.51 kJ/mol and the en- tropy of vaporization is…

A: Entropy is the measurement of randomness. The entropy is given by ∆s = ∆Hvap ÷ T

Q: Isopropyl alcohol, C3H8O, is marketed as “rubbing alcohol.” Its vapor pressure is 100 torr at 39.5°C…

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

Q: (P.Ç.1.1) The vapor pressures of mercury at 290 °C and 310 °C are 197.3 mmHg and 305, 6 mmHg,…

A: Provided initial pressure=197.3mmHg Since, 760mmHg=1 atm So 197.3mmHg=( 1×197.3/760)atm 197.3…

Q: This table displays the vapor pressure of ammonia at several dif- ferent temperatures. Use the data…

A: The molar heat of vaporization can be calculated as, m=∆HvapR∆Hvap=-mR∆Hvap=-(-2969.9 K)(8.314 J…

Q: For propane, the ∆H° of vaporization is 22.9 kJ/mol and the ∆S° of vaporization is 99.0 J/mol･K. At…

A:

Q: Diethyl ether is a volatile, highly flammable organic liquid that is used mainly as a solvent.  The…

A:

Q: Which of the following substances can be liquefied at - 7  oC with appropriate pressure? Substance A…

A: Any substance can not be liquefied at temperatures which is above critical temperature irrespective…

Q: Given the phase diagram, at 1.50 atm and 100 °C, what is the phase of the substance? 2.00 1.75 1.50…

A: Phase diagram is the graphically representation of the different states of any substance at various…

Q: Consider the phase diagram of carbon. If you heat a sample of graphite at a constant pressure of 1…

A: Heating a sample of graphite at a constant pressure of 1 atm, transformation of graphite will be in…

Q: The following information is given for antimony at 1 atm: AHvap(1440 °C) = 195 kJ/mol AHfa(631 °C) =…

A:

Q: In the given phase diagram below, which segments correspond to the melting and freezing of the…

A:

Q: The molar enthalpy of vaporization of water is 40.65 kJ/mol at its normal boiling point. Use the…

A: The Clausius Clayperon equation is given by, lnP2P1=-∆HvapR1T2-1T1 where P is the pressure and T is…

Q: Apply Trouton's rule to estimate the value of AH vap for these compounds.

A:

Q: At room temperature, 25°C, the vapor pressure of water is 23.8 Torr. Calculate the vapor pressure of…

A:

Q: The vapor pressure of methanol at 20.0 oC is 97.7 torr. The normal boiling point of methanol is 64.7…

A: Given data,T1(Temperature of methanol)=20.0oC=20.0+273.15=293.15KP1(pressure of methol)=97.7 torrT2(…

Q: temperature is 21 degrees Celsius, the temperature of Kelvin is 294.15 Kelvin,  the barometric…

A: Given temperature is 21 degrees Celsius, the temperature of Kelvin is 294.15 Kelvin,  the barometric…

Q: 106 Diamond 105 Liquid 104 103 Graphite 102 101 Vapor 100 2000 4000 6000 Temperature (°C) What is…

A: A phase diagram of any substance tells us the phase or state in which the substance exists at a…

Q: For pentane, the ∆H° of vaporization is 26.22 kJ/mol and the ∆S° of vaporization is 87.88 J/mol･K.…

A: Given, standard enthalpy of vaporization ∆H°(vap) =26.22 kJmolstandard entropy of vaporization…

Q: Water, Methanol, Ethanol, and Acetone Which substance do you predict has the strongest…

A: The correct answer about intermolecular force is given below

Q: Construct a phase diagram for a substance. Label: S (solid), L (liquid), G (gas). Curves/ Lines of…

A: Phase diagram of a compound represents the changes in physical states that happens to a compound…

Q: (3) Vapor pressure of liquid ethanol is 7291 Pa at 20°C. (a) one student reports that the vapor…

A: #3: Given the vapor pressure of ethanol at 20 oC is 7291 Pa Atmospheric pressure, Patm = 101325 Pa

Q: Write a descriptive essay about the concepts and theories behind Phase Change and the things under…

A: There are mainly three types of phase in which a compound or matter can exists. Solid: These have…

Q: The phase diagram for neon is. Use the phase diagram to answer the following questions. (a) What is…

A:

Q: Determine the normal boiling point of a liquid with vapor pressure 63.8 mmHg at 64.50°C, given that…

A: We are given that the vapor pressure of the gas is 63.8 mmHg at 64.5°C and the molar heat of…

Q: Which processes are important for determining the vapor pressure of a liquid? Select all that are…

A: States of a matter Matter can exist in three states: solid, liquid, and gaseous In solid-state…

Q: The normal boiling point of benzene is 80.1°C. What is its enthalpy of vaporization if the vapor…

A: The temperature has to be converted from degree Celsius to Kelvin.

Q: Use the data provided to calculate benzaldehyde’s heat of vaporization. Vapor Pressure (torr)…

A: The relationship between the vapour pressure and temperature is given by  The relationship between…

Q: According to this phase diagram, the normal boiling point of the substance in degree Celsius is:…

A: The boiling point is the point in the phase diagram at 1 atm pressure.