AAMC 3R graph

[chiddler]

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how is this graph read!! one of the questions was where is the critical point in this graph? I think everyone can get the question right because D just looks like the right answer lol

so each line represents a temperature. why is D the critical point and not B or C, as they also intersect the liquid line?

Also what is "Liquid + vapor" referring to?

 

[MrNeuro]

how is this graph read!! one of the questions was where is the critical point in this graph? I think everyone can get the question right because D just looks like the right answer lol

so each line represents a temperature. why is D the critical point and not B or C, as they also intersect the liquid line?

Also what is "Liquid + vapor" referring to?

no phase boundries exist beyond D

 

[MrNeuro]

how is this graph read!! one of the questions was where is the critical point in this graph? I think everyone can get the question right because D just looks like the right answer lol

so each line represents a temperature. why is D the critical point and not B or C, as they also intersect the liquid line?

Also what is "Liquid + vapor" referring to?

no phase boundaries exist beyond D

 

[chiddler]

i'd like an explanation, please. my primary question is how to read this graph.