The vapor pressure of ethanol at 34.7 °C is 100.0 mm Hg, and ΔHvap = 38.6 kJ/mol. What is the temperature, in Kelvin, if the vapor pressure of ethanol is 386.0 mm Hg?

Q: What mass of molybdenum (molar mass=95.94g/mol) is needed for the mercury to release 600.0J of…

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Q: Energy Constants for H2O 334 J/g = Heat of Fusion (Hf) 2260 J/g = Heat of Vaporization (Hv) 2.11…

A: Heat absorbed by the sample is calculated as follows: Heat = Heat required to convert ice to water…

Q: The normal boiling point of naphthalene, C10H8, is 218 °C. What is the its enthalpy of vaporization…

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Q: Calculate the enthalpy of vaporization of water at its normal boiling point. Δ S ° [H2O( l )] = 69.9…

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Q: Calculate delta G, delta A and delta Suniverse for each of the following processes: a)  reversible…

A: Interpretation -  To determine the ∆G, ∆A and ∆S universe for each of the following processes-…

Q: A quantity of steam (200 g) at 123°C is condensed, and the resulting water is frozen into ice at…

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Q: The normal boiling point of naphthalene, C10H8, is 218 °C. What is the its enthalpy of vaporization…

A: We have to calculate the enthalpy of vaporization .

Q: 1. The enthalpy of vaporization of methanol is 37.4 kJ/mol at 25°C. Molar heat capacities for liquid…

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Q: A 417.3 gram sample of an unknown substance (MM = 92.41 g/mol) is heated from -23.1 °C to 51.8 °C.…

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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: Energy Constants for H2O 334 J/g = Heat of Fusion (Hf) 2260 J/g = Heat of Vaporization (Hv) 2.11…

A: The heat required to boil off water is calculated as shown below: Heat = Heat required to raise the…

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

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Q: Calculate the enthalpy of vaporization of water at its normal boiling point. Δ S ° [H 2O( )] = 69.9…

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Q: 4. How much energy does it take to melt 10.0 g benzene? The heat of fusion of benzene is 2.37…

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Q: 1. The enthalpy of vaporization of methanol is 37.4 kJ/mol at 25°C. Molar heat capacities for liquid…

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Q: 4. Given that AHvap is 63.2 kJ/mol, and the boiling point is 83.4°C, 1 atm, if one mole of this…

A: Vaporization : It is a phase transition from liquid to vapor (gas) . Boiling point : It is a…

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: Calculate the amount of energy that is released when 400 grams of water vapor cools from 115oC to…

A: To solve this problem we have calculate energy released during temperature change and phase change…

Q: For the process X(1) → X(g), where X is a metal, AH°=334.4 kJ/mol and Asº-110.1 J/(K-mol). What is…

A: Here I am providing you the relation between Del H and Del S with Temperature  On the image provided…

Q: The heat of vaporization of water is 2260 J/g. Determine q when 100 g of steam at 100 oC is…

A: We know that.,   Q = L.m  Q = amount of heat needed to convert water into steam  L = latent heat of…

Q: 54.73 g of water, H2O, 18.02 g/mol, was heated from -19.53 °C to 112.08 °C.  The freezing and…

A: Between the heating range of -19.53 to 112.08 degree all three states of water is present. At -19.53…

Q: The element gallium (Ga) freezes at 29.8 °C, and its molar enthalpy of fusion is ∆Hfus = 5.59…

A: Entropy Entropy is a measure of degree of disorder or randomness of atoms , molecules of a system.…

Q: Determine the heat in joules to melt 52.75 moles of water given the heat of fusion is 6010 J/mol?

A: Heat of fusion is the amount of energy required for melting a given mass at its melting point…

Q: Which of the following would be expected to have the highest vapor pressure at room temperature?…

A: More is the volatility of compound, more will be the vapour pressure of compound.

Q: Water is heated to 0°C with a constant pressure of 1x10-3 atm     Water is compressed to a…

A: 1) Water is heated to 0°C with a constant pressure of 1x10-3 atm: at this condition solid water…

Q: Calculate the enthalpy of vaporization of water at its normal boiling point. ΔS° [H2O()] = 69.9…

A: Given: ΔS° [H2O(l)]=69.9 J/K⋅mol ΔS°[H2O(g)]=188.8 J/K⋅mol T=100oC=373 K To find: Enthalpy of…

Q: The enthalpy of vaporization of CO2(l) is 9.8 kJ/mol. Would you expect the enthalpy of vaporization…

A: Enthalpy of vaporization is the heat required by the liquid or solid to vaporize. This heat does not…

Q: Consider the following phase diagram: Vaporisation corresponds to which of the points on the…

A: Vaporization is the phase transition process in which liquid converts to gas

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

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Q: An ice cube of mass 65 g is taken from a freezer at -15°C and dropped into 125 cm of water at 85°C.…

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) Given: Mass…

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: 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: Two 20.0 g ice cubes at −16.0 ∘C are placed into 225 g of water at 25.0 ∘C. Assuming no energy is…

A: Given,Mass of two ice cubes, mice = 2 × 20.0 g = 40.0 gMass of water, mwater = 225 gInitial…

Q: Energy Constants for H2O 334 J/g = Heat of Fusion (Hf) 2260 J/g = Heat of Vaporization (Hv) 2.11…

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Q: Calculate the energy (in kJ) required to convert 175 g of water from ice at -25.5 °C to liquid water…

A: Given, amount of water =175 gwe are asked to calculate the energy (in kJ) required to convert 175…

Q: 18) What is the (s, 1, g) of a substance at 0.75atm and 800°C? 19) What is the condition of the…

A: When equilibrium is reached between a system's phases, the values of the thermodynamic variables are…

Q: Given that a 10.0g sample of ice at 0.0 degrees celsius melts and then the resultant water proceeds…

A: Note: As per our code, we are allowed to answer only the first question when a collection of…

Q: The heat required to raise the temperature of 52.00 g of chromium by 1°C is callec its heat of…

A: Given is, heat required to raised the temperature of 52.00g of chromium by 1°C is called ....?

Q: Two 20.0 g ice cubes at –16.0 °C are placed into 215 g of water at 25.0 °C. Assuming no energy is…

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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: Since the vapor pressure of diethylether at 18 ° C is 401 mmHg, calculate the pressure at 32 ° C…

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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: 39. At the normal boiling point, 61.5°C, the heat of vaporization of CHCI, is 59.0 cal/g. Assuming…

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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: If22.5Lofnitrogenat748mmHgarecompressedto725mmHgatconstanttemperature.Whatis the new volume

A: Given: Initial volume of nitrogen = 22.5 L Initial pressure of nitrogen = 748 mm Hg Final pressure…

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…