On Gas Laws and/or Electrochemistry , you have two options.
You can download a book version to print -- like the other downloads have been, OR
YOU can download a version designed to work better if you are working "From the screen."
Download both if you like.
On Gas Laws ,
For the book version: http://www.ChemReview.net/Chem17-18gases.pdf
For the "ON Screen" version: http://www.ChemReview.net/OSchem17-18gas.pdf
On Electrochemistry ,
For the book version: http://www.ChemReview.net/Chem37-38Electrochem.pdf
For the "ON Screen" version http://www.ChemReview.net/OSchem37-38Electro.pdf