# Help reading a phase diagram? [closed]

How does the y axis work? If the pressure I am looking for is 10^‐4 to 10^‐3 nbar? I tried doing log of the yaxis but its giving me numbers that are not even close to what I am looking for.

## closed as off-topic by Mithoron, Todd Minehardt, Buck Thorn, Buttonwood, Jon CusterMay 18 at 19:44

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• We have a policy which states that ‎you should show your thoughts and/or efforts into solving the problem. It'll make us certain that ‎we aren't doing your homework for you. Basically any question with the wording your question has is considered homework; it needn't be literally one. Self-study questions, puzzles etc. also count as homework. Don't worry, they're not banned. But, we require a minimal effort. Otherwise, this question may get closed.‎ Please edit in your full reasoning or thoughts on this. See Homework – Poutnik May 18 at 17:03
• What base are you using when applying the log? $log_e(10)=2.3$ whereas $log_{10}(10)=1$. Looks like you're using base 10. For sulfur dioxide the triple point is at a pressure in bar of $log_{10}(P)=-1.8$ – Buck Thorn May 18 at 18:24