Carbon disulfide, CS 2, has a heat of vaporization of 29,200 J/mol.  The normal boiling point* of CS 2  is 317K  What is the vapor pressure at  268K?  (* BP at 760 mm Hg)

Q: Which substance has the lowest vapor pressure at 25C ?   a. H2S   b. O2   c. H2O   d. CO2

A: Vapour pressure may be defined as:-…

Q: The normal boiling point of mercury (Hg) is 356.7 °C. What is the vapor pressure of mercury at 340.5…

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Q: Carbon disulfide has a vapor pressure of 363 torr at 25 °C and a normal boiling point of 46.3 °C.…

A: Clausius-Clapeyron equation signifies the relationship between heat of vaporisation and pressure at…

Q: Is vaporization an exothermic or endothermic process? Based on Le Châtelier’s principle?

A: EXOTHERMIC PROCESS The process in which energy is released from the system to the surrounding in the…

Q: The normal boiling point of a certain hydrocarbon is 66°C. Calculate its heat of vaporization given…

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Q: The normal boiling point of mercury (Hg) is 356.7 °C. What is the vapor pressure of mercury at 344.0…

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Q: The normal boiling point of mercury (Hg) is 356.7 °C. At what temperature (in °C) would the vapor…

A: Boiling point of Hg (Tb) = 356.7°C Vapor pressure of Hg (P2)= 0.4050atm ΔHvap = 58.51KJ/mol We have…

Q: The molar enthalpy of vaporization of boron tribromide is 30.5 kJ/mol, and its normal boiling point…

A: Given values-> Enthalpy of vaporization = 30.5kj/mole =30.5×1000j/mole = 30500j/mole T1= 91°C…

Q: The heat of vaporization of hexane is 30.8 kJ. mol-1. The boiling point of hexane at a pressure of…

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Q: If a pure substance begins at point C on the phase diagram below and the pressure on the substance…

A: The problem is based on phase daigram of substance.So we have to identify the the state of substance…

Q: how to calculate the amount of heat that will vaporize 4250 g of water at 100oC (Specific heat of…

A: given, mass of water = 4250 g We need to calculate heat needed to vaporize 4250 g water at 100oC

Q: At a specific temperature, which of the following dompounds would have the highest vapor pressure? O…

A: Answer:- This question is answered by using the simple concept of vapour pressure which is inversely…

Q: Methane (CH₄ ) has a boiling point of 164°C at 1 atm anda vapor pressure of 42.8 atm at…

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Q: It is observed that 14.4 kcal of energy are released when a 22.8 g sample of an unknown liquid…

A: · Amount of energy released = 14.4 kcal· Mass of unknown liquid sample = 22.8 gWe need to calculate…

Q: Given that the normal boiling point of CH3COCH3 is 56 °C, which of the following statements about he…

A: The normal boiling point of CH3COCH3 is 56oC and the process is given as : CH3COCH3g,74oC,1 atm…

Q: Based on the phase diagram for methane (Figure 11.30), whathappens to methane as it is heated from…

A: The plot of pressure and temperature for change of state from liquid to gas, solid to liquid and…

Q: The enthalpy of vaporization of Substance X is 15.0 kJ and its normal boiling point is - 95. °C.…

A: This Problem can be solved by clausius Clapeyron equation.

Q: Which substance will have the highest boiling point Oa) CHBry OD) CHCH, Oa CHF

A: Boiling point is the temperature at which liquid converts into its vapor state.

Q: The heat of vaporization for CH4 is 152 cal/g. How much heat is needed (in calories) to vaporize 0.4…

A: The heat of vaporization for CH4 is = 152 cal/g The amount of heat is needed (in calories) to…

Q: Which substance exhibits stronger attractive intermolecular forces?  SiF4  SiCl4 Which substance has…

A: Thus for vaporization, higher temperature is required for the silicon tetrachloride rather than…

Q: The normal boiling point of mercury (Hg) is 356.7 °C. At what temperature (in °C) would the vapor…

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Q: The normal boiling point of a liquid is 282.0 °C. What is the vapor pressure of this liquid at 146.0…

A: Clausius-Clapeyron Equation help us to calculate the vapor pressure of a liquid at a particular…

Q: kJ and its normal boiling point is 81. °C. Calculate the vapor pressure of X at -25. °C. The…

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Q: kJ The enthalpy of vaporization of Substance X is 15.0 mol and its normal boiling point is 109. °C.…

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Q: Methane (CH4) has a boiling point of −164°C at 1.00 atm and a vapor pressure of 42.8 atm at −100°C.…

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Q: 1) the approximate melting point for this substance XY at 20atm is……? 2) What will happen to a…

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

Q: The normal boiling point of a liquid is 282 °C. At what temperature (in °C) would the vapor pressure…

A: Given : normal boiling point of liquid = 282 °C Vapour pressure for which temperature is to be found…

Q: In the phase diagram, which transition represents the condensation of a gas to a liquid? P A A to D…

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Q: 19. Which of the following liquids would exhibit the highest vapor pressure at 25.0*C?

A: Step : 1             The required answer for the question is follows as :

Q: 2. The heat of vaporization of water at 1000C is 2.26 kJ/g; at 370C it is 2.41kJ/g. a. What is the…

A: Given ∆Hvap at 100°C = 2.26 KJ/g  ∆Hvap at 37°C = 2.41 KJ/g  We have to find standard molar heat of…

Q: The following information is given for mercury, Hg, at latm: boiling point = 357 °C AHvap(3 p(357…

A: Since the vaporisation process is happening at the boiling point temperature  Hence we will just…

Q: The standard heat of vaporization for water is 40,700J/mol. What is the boiling point of water at a…

A: By Clausius-Clayperon equation lnP2P1= △HR(1T1- 1T2) △H=Heat of vaporizationP2 = Final  pressureP1=…

Q: The normal boiling point of mercury (Hg) is 356.7 °C. What is the vapor pressure of mercury at 341…

A: Normal boiling point of Mercury = 356.7oC Final temperature of mercury      = 341oC Enthalpy of…

Q: Enter your answer in the provided box. The vapor pressure of ethanol is 1.00 × 10² mmHg at 34.90°C.…

A: GIVEN: Vapor pressure of ethanol at 34.9oC P1 = 1 x 102 mmHg T1 = 34.9oC = 308.05K  T2 = 50.01oC =…

Q: Which of the following substances has the lowest vapor pressure at room temperature? O CBrA O CF. O…

A: Vapor pressure is the measure that how much a substance is prone to go to the vapor state.

Q: The normal boiling point of mercury (Hg) is 356.7 °C. What is the vapor pressure of mercury at 335…

A: The relation of the vapor pressure of a substance between any two states P1 and P2 at the operating…

Q: The normal boiling point of a liquid is 282 °C. At what temperature (in °C) would the vapor pressure…

A: We have to calculate the temperature for given vapour pressure.

Q: If the normal boiling point of a liquid is 82 °C, what is the vapor pressure (in atm) at 50 °C?…

A: If the normal boiling point of a liquid is 82 °C, the vapor pressure (in atm) at 50 °C is to be…

Q: What amount of heat, in kJ, is required to vaporize 121.45 g of ethanol (C₂H₅OH)? (∆Hvap = 43.3…

A: Answer:- This question is answered by using the simple concept of stoichiometry for the…

Q: How much heat is released at constant pressure if a 15.0-L tank containing 47.0 atm of hydrogen…

A: Here, P=47.0 atm, V = 15 litre R = 0.0821 L atm / Kmol T= -60 + 273 = 213K

Q: tial oil fol in cloves, eugenol, can be isolated by steam easurable vapor pressure at 100 °C even…

A: Solution- .Given partial vap pressure of Eugenol = 4 mm HgHg partial vap pressure of Eugenol = 4 mm…

Q: What amount of heat, in kJ, is required to vaporize 108.85 g of ethanol (C₂H₅OH)? (∆Hvap = 43.3…

A: Molar mass of ethanol = 46.07g  Mass of ethanol = 108.85 g  Heat of Vapourization of ethanol, ∆Hvap…

Q: What is the pressure in atm of the normal boiling point of C6H6? ____ atmWhat is the pressure in atm…

A: The pressue at the normal boiling point, normal melting point and normal sublimation point is…

Q: The vapor pressure of mercury at 298 K is 0.00270 mmHg. If the normal boiling point of mercury is…

A: Use Clausius Clapeyron equation to solve this,ln P1P2 = ΔHvapR1T2 - 1T1 Given that,T1 = 298 K P1 =…

Q: 11. The vapor pressure of ethanol, C,H,OH, at 50.0°C is 233 mm Hg, and its normal boiling point at 1…

A: Given: P1 = 233 mmHg T1 = 50.0 oC = 323.15 K P2 = 1 atm = 760 mmHg  T2 = 78.3 oC = 351.45 K The gas…

Q: The normal boiling point of mercury (Hg) is 356.7 °C. At what temperature (in °C) would the vapor…

A: Given; Initial pressure (P1) = 1 atm (at normal boiling point) Final pressure (P2) = 0.2950 atm…

Q: Based on the image provided, select the one, or ones, with the least vapor pressure. A & B 275 K A…

A: The pressure exerted by the vapors produced by the evaporating liquid is called vapor pressure.…

Q: The normal boiling point of mercury (Hg) is 356.7 °C. What is the vapor pressure of mercury at 327.5…

A: In this question, we want to determine the vapor Pressure of mercury at 327.5°C in atm unit.  You…