1. In the boxes below draw the interactions between 3 molecules of the following

Question

1. In the boxes below draw the interactions between 3 molecules of the following: NO CO2 2. Which combinations of the following solvents will be miscible? Explain your reasoning. H20(), C6H120), CH3OH(aq), NaCI(aq) 3. Examine the following diagram Liquid Solid 0.006 Vapor 273 Temperature (K) 373 Indicate the following: A) Phase at latm and 290K: B) Phase at.001 atm and 290K: C) Phase at latm and 400K D) Estimate pressure at the Tc: E) Estimate temperature at the Pc F) Indicate where a supercritical would exist. G) Estimate the pressure and temperature at the triple point

Explanation / Answer

Q2

miscible --> they will mix in a phase

H2O + CH3OH = polar + polar dissolves

H2O + NaCl = polar + ionic dissolves

all other will not be miscile

Q3

a)

phase --> this is liquid

b)

this is vapor

c)

this is vapor

d)

Tc --> Critical will be approx 400 K

e

Pc --> will be approx 10 atm (impossible to predict without scale)

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