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

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter4: The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 10CQ: An ideal gas goes from state (pi,vi,) to state (pf,vf,) when it is allowed to expand freely. Is it...

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