PLEASE ANSWER ASAP! 5.4, 5.5,5.6,5.7,5.8 phase diagram is shown below. (Note that a bar of pressure is the same as 1 atm.) Oneunusual aspect of helium is that it has two liquid phases (He(I) and He(II)}. Based onthis diagram answer the following questions.PointTemp.(К)P(bar)Pressure100He Solid(bar)D1.670.00932.170.050He IHe Il5.202.231.7625.03.62100.00,1He GasB0,01T(K5.1Circle the letter(s) that corresponds to triple point(s) of helium.ADE5.2Circle the letter(s) that corresponds critical point(s) of helium.AE5.3) Does solid He exist as a thermodynamically stable material at standardpressure (1 Bar)? 5.4pressure?What is the thermodynamically stable form of He at 3.5 K and standard5.5:Recall that at absolute zero (0 K), all materials have zero entropy. For mostmaterials this would be described as being in a defect free single crystal solid. What isthe stable phase (solid, liquid, or gas) of He at absolute zero and standard pressure?5.6states?What type(s) of intermolecular forces hold He together in the liquid5.7Given your answer to question 5.6, why does it require such lowtemperatures to form liquid He from gaseous He?5.8Calculate the value for the Heat of Vaporization, AHvap, for He (I).

Given : Pressure v/s Temperature graph for He I and He II

5.4 What is the thermodynamically stable form of He at 3.5 K and standard pressure? 5.5 materials this would be described as being in a defect free single crystal solid. What is the stable phase (solid, liquid, or gas) of He at absolute zero and standard pressure? Recall that at absolute zero (0 K), all materials have zero entropy. For most 5.6 states? What type(s) of intermolecular forces hold He together in the liquid

5.4 What is the thermodynamically stable form of He at 3.5 K and standard pressure? 5.5 materials this would be described as being in a defect free single crystal solid. What is the stable phase (solid, liquid, or gas) of He at absolute zero and standard pressure? Recall that at absolute zero (0 K), all materials have zero entropy. For most 5.6 states? What type(s) of intermolecular forces hold He together in the liquid

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter10: Thermal Physics

Section: Chapter Questions

Problem 17P: Lead has a density of 11.3 103 kg/m3 at 0C. (a) What is the density of lead at 90C? (b) Based on...

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