11. The vapor pressure of ethanol, C,H,OH, at 50.0°C is 233 mm Hg, and its normal boiling point at 1 atm is 78.3 C. Calculate the AH of ethanol.

Q: 10) For bromine, AH°vap = 30.91 kJ/mol and AS°vap 93.23 JK-1mol-1 at 25°C. What is the normal…

A: Given, Delta H = 30.91 kJ/mol Delta S = 93.23 J/(mol K)

Q: The molar enthalpy of vaporization of benzene at its normal boiling point (80.09° C) is 30.72 kJ…

A: Given: ∆VapHm=30.72 KJ/mol.The normal boiling point of benzene=80.090C

Q: The vapor pressure of the liquid CaH10 is measured at different temperatures. The following vapor…

A:

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: Water has a heat of fusion (ΔHfus) of 6.01 kJ/mol. What is the change in energy of 5.0 g of water…

A: Heat of fusion.

Q: The essential oil found in cloves, eugenol, can be isolated by steam distillation because it is…

A:

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 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 vapor pressure of methanol (CH₃OH) at 25.0°C is 127.2 torr. A 4.35-g sample of methanol is…

A: Firstly find out how much methanol would vaporise to attain saturation vapour pressure by using…

Q: If 100.0 g of ice at -10.0°C is placed in 200. g of water at 90.0°C in an insulated container, what…

A: Given : Mass of ice = 100.0 g Initial temperature of ice = -10.0 oC Mass of hot water = 200 g And…

Q: A ubstance with AH°vap = 50.0 kJ/mol has vepor pressure of 0.100 atm at temperature 90 C. Calculate…

A: The enthalpy of vaporization is the amount of heat energy needed to convert a solid to a gas. The…

Q: when 14.26 g of argon gas is passed through liquid bromine, the temperature of the system is 45°C…

A: To Find: (a) To find the vapor pressure of bromine at 45oC. (b) To find the amount of bromine that…

Q: The enthalpy of vaporization of Substance X is 16.0kJmol and its normal boiling point is 123.°C.…

A: We have to Calculate the vapor pressure of X at −35°C.

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: What is the boiling point of a 2 m solution of LiF in water? (The boiling point elevation constant,…

A: Molality of LiF solution = 2 m Kb (water) = 0.5 °C/m Boiling point of Solution = To be determined

Q: 22. The molar enthalpy of vaporization of an organic compound is 2kJ/mol, and its normal boiling…

A: The molar enthalpy of vaporization of an organic compound is, ∆Hv=2kJ/mol∆Hv=2000 J/mol The normal…

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

A:

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: Concept:  Boiling point: It is a temperature on which the gass phase and liquid phase are in…

Q: The vapor pressure of liquid carbon tetrachloride, CCI4, is 100. mm Hg at 296 K. A 0.261 g sample of…

A: Here vapour pressure of liquid CCl4  is 100 mm Hg at 296K .Here 0.261 g of CCl4 was placed in 400 ml…

Q: The essential oil found in cloves, eugenol, can be isolated by steam distillation because it is…

A:

Q: please help on this problem

A: Mole fraction is the ratio of number of moles of a substance and total number of moles in the…

Q: The vapor pressure of benzene is 224 mmHg at 45 °C and 648 mmHg at 75 °C. (a) Find the enthalpy of…

A:

Q: At the boiling point of carbon disulfide, CS2 , ∆Hvap = 26.9 kJ/mol and ∆Svap = 84.5 J/mol.K.…

A: The boiling point can be calculated as follows-

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

A: The given data is as follows: T(K) P(KPa) 225 3.66 675 5.43

Q: For butane, the ∆H° of vaporization is 22.4 kJ/mol and the ∆S° of vaporization is 82.3 J/mol･K. At…

A:

Q: Five grams of liquid water is sealed in a 10 liter flask at 35°c. At this temperature, water has a…

A:

Q: The AH,ap for water is 40.66 kJ mol- at the normal boiling point, T, = 373 K. Assuming AHap and ASap…

A: Clausius-Clapeyron equation is used to determine the vapor pressure at a different temperature for a…

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: A typical atmospheric pressure in Leadville, Colorado (elevation 10,200 feet) is 68 kPa. Use the…

A: The graph of the vapor pressure of water versus temperature in Figure indicates that the vapor…

Q: 7.1 A normal boiling point of Cd(l) is 1038K. At this temperature △Hvap is 23,900(J/mol). (a) In 2…

A:

Q: Based on the thermodynamic properties provided for water, determine the energy change when the…

A: Answer: In this cooling process water will lose its energy via 3 step process: 1. Vapor will be…

Q: The standard molar enthalpy of vaporization of ammonia is 23.35 kJ/mol at its standard boiling point…

A: P1 = 1 atm P2 =? T1 = -33.4°= 239.75 K T2 = 15°= 288.15 K R= 8.314 J / mol. K Enthalpy of…

Q: At the normal boiling point of benzene, AH°vap = 30.7 kJ/mol and AS°vap = 86.9 J/(mol K). What is…

A:

Q: 68. The vapor pressure of butyl alcohol (C,H,OH) at 70.1°C is 0.1316 atm; at 100.8°C, it is 0.5263…

A: Given that, T1=70.1oC T1=70.1 +273 T1=343.1 K T2=100.8oC T2=100.8 +273 T2=378.8 K P1=0.1316 atm…

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: 17. A substance with stronger intermolecular forces is expected to have lower: A) molar mass B)…

A:

Q: The vapor pressure of ethanol (C2H5OH) at 19 °C is 40.0torr. A 1.00-g sample of ethanol is placed in…

A: Pressure = 40.0 torr Mass of sample of ethanol = 1.00 g Volume of container = 2.00 L Temperature =…

Q: The normal boiling point of cyclohexane is 81 °C. What's the vapor pressure of cyclohexane at 81 °C?

A: Normal boiling point: The temperature required by the liquid at which the vapor pressure of that…

Q: The atmospheric pressure in Ogden, Utah is 646 mm Hg. The boiling point of water here will be a.…

A: Given, atmospheric pressure =646 mm Hg. we are asked, what will be the effect on boiling point of…

Q: For the table below, specify the dominant intermolecular force involved for each substance in the…

A: The dominant forces present in different types of molecular compounds are: (i). London dispersion…

Q: The equilibrium vapor pressure of water at 70.0°C is 233.7 torr. If 0.190 g of H2O is collected in a…

A: The equilibrium vapor pressure of a liquid is the pressure exerted by the vapor on its liquid at the…

Q: he vapor pressure of liquid ethanol, C,H,OH, is 100. mm Hg at 308 K. A 0.153 g sample of liquid…

A:

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: For benzene, the ∆H° of vaporization is 30.72 kJ/mol and the ∆S° of vaporization is 86.97 J/mol･K.…

A: ∆G° is the Gibb's free energy of vaporization of benzene which can be calculated using the following…

Q: The vapor pressure of liquid bromoethane, C2H5BR, is 100. mm Hg at 263 K. A 0.296 g sample of liquid…

A: The effect of pressure and temperature is measured by Boyle’s law and Charles's law respectively.…

Q: 6.) Diethyl ether is a volatile, highly flammable organic liquid that is used mainly as a solvent.…

A:

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: The vapor pressure of liquid carbon disulfide, CS2, is 100. mm Hg at 268 K. A 0.261 g sample of…

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: 18. Which statement best describes boiling point elevation?

A: Some properties depend only on the number of dissolved particles in the solution and not on the…