Activities Chromium Web Browser - Jan 23 9:10 AM b My Questions | bartleby O Mail - Dishita Uppal - Out WA HW: IMF, VP, phases, unit x O (1) TextNow W Answers That Cannot Be x A webassign.net/web/Student/Assignment-Responses/last?dep=22994801#Q9 N My Notes + Ask Your Teacher -/3 points 12. A representation of a unit cell for a compound of formula Au Cu, is shown below. (a) Identify the type of unit cell shown. O body-centered cubic O face-centered cubic O simple cubic (b) Determine the number of Au atoms (blue spheres) and Cu atoms (yellow spheres) in a unit cell. Au atoms Cu atoms (C) Determine the empirical formula for Au Cu (Omit states-of-matter from your answer.) O Help chemPad Greek 123 Tutorial

Activities Chromium Web Browser - Jan 23 9:10 AM b My Questions | bartleby O Mail - Dishita Uppal - Out WA HW: IMF, VP, phases, unit x O (1) TextNow W Answers That Cannot Be x A webassign.net/web/Student/Assignment-Responses/last?dep=22994801#Q9 N My Notes + Ask Your Teacher -/3 points 12. A representation of a unit cell for a compound of formula Au Cu, is shown below. (a) Identify the type of unit cell shown. O body-centered cubic O face-centered cubic O simple cubic (b) Determine the number of Au atoms (blue spheres) and Cu atoms (yellow spheres) in a unit cell. Au atoms Cu atoms (C) Determine the empirical formula for Au Cu (Omit states-of-matter from your answer.) O Help chemPad Greek 123 Tutorial

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter6: Equilibria In Single-component Systems

Section: Chapter Questions

Problem 6.25E: 6.25. Phosphorus exists as several allotropes that have varying properties. The enthalpy of...

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give 5 examples of a 1 phase diagram and show its phase rule
An ice skate stands on a blade with a contact surface of 0.0193 cm2 with the ice a) calculate the pressure exerted on the ice by a person with a mass of 67.95 kg and b) which is the melting temperature of ice under this pressure? Data: ΔfusH = 1.4363 Kcal/mol; Tfus= 273.2 K (at p = 1 atm); ice density = 0.92 g/cm3; liquid water density = 1.00 g/cm3 and 1 kg / s2cm = 9.8776 10-4 atm.
Melting point (Tm): -94.9C Boiling point (Tb): 110.7C a.) Using the data, find the vapor pressure of toluene at 20C in units of mol/L b.) What is the enthalpy of vaporization (∆?vap ) for toluene in kJ/mol?
a Why is the liquid-gas phase boundary in a single phase diagram component end at the critical point? b. Calculate the amount of heat, in kilojoules, associated with a drop in temperature of 33.5 oC in a 5.85 kg aluminum bar (specific heat of aluminum = 0.903 J g-1 oC-1). vs. Your roommate decides to cool the kitchen by opening the refrigerator. This strategy will it work? Explain your reasoning. d. Is the following statement correct? If not, rewrite it to be correct: ΔfHo (O (g)) = 0. e. For equimolar solutions of urea, BaCl2 and NaNO3, place the solutions in the order of increasing osmotic pressure.
6.9. Identify and explain the sign on in equation 6.5 if it used for (a) a solid-to-gas phase transition (sublimation), (b) a gas-to-liquid phase transition (condensation).
Could you help me with #7? I included a picture of the phase diagram that was given.
A right circular cone of base radius R, height H, and known density ρs floats base down in a liquid of unknown density ρf . A height h of the cone is above the liquid surface. Derive a formula for ρf in terms of ρs, R, and h/H, simplifying it algebraically to the greatest possible extent. [Recall Archimedes’ principle, stated in the preceding problem, and note that the volume of a cone equals (base area)(height)/3.]
A mass m = 0.056 kg of benzene vapor at its boiling point of 80.1 °C is to be condensed by mixing the vapor with Water at 38 °C. What is the minimum mass of water required to condense all of the benzene vapor? Assume that the mixing and condensation take place in a perfectly insulating container.
The Molecular Weight of an unknown liquid is determined using the Dumas Method. The following data has been obtained: Atmospheric Pressure = 754.6 TorrVolume of the Flask = 213 mLTemp. of Water Bath = 100 °CMass of Re-Condensed Liquid = 0.582 g What is the Molecular Weight of the liquid?
The sublimation pressures of solid Cl2 are 352 Pa at -112oC and 35 Pa at -126.5oC. The vapor pressures of liquid Cl2 are 1590 at -100oC and 7830 at -80oC. Calculate (a) △subH, (b) △vapH, (c) △fusH, and (d) the triple point. Answer: [31.4 kJ mol-1 ; 22.1 kJ mol-1 ; 9.1 kJ mol-1 ; -102oC]
What is the reason for the stoke shift for a fluorophore ? Please shortly answer at your own words. Answer should be to the point(specific).
In the systems given below determine the number of phases, number of components with names and degrees of freedom using the Gibbs Phase rule. I. S(rhombic) ⇆ S(monoclinic) ⇆ S(liquid) ⇆ S(gas) II. PCl5 (g) ⇆ PCl3 (g) + Cl2 (g) i) PPCl3 = PCl2 ii) PPCl3 ≠ PCl2 (PA – is partial pressure of A)