I am not a big fan of homework to begin with, but webassign straight pissed me off when I was in basic chem. The concepts made sense, the tests were not hard, but the webassign was hard as crap. Not only that, it was based on the chapter and not what parts of the chapter the teacher was teaching and testing on. So you could have all sorts of problems using formulae from the book, but really get no benifit from it since you did not know what you were doing. My final chem average was 116% (I have no idea where I got that score from, must have been some kind of absolutely monster curve at the end of the class), but my webassign average was about a 75%.
I found that the best thing to do for webassign is go to the chemistry tutoring times, get a group of 8 or so people, and have everyone take a different problem. Once someone figures out how to do a problem they move on to the next one no one is working on. Once you get all the methods of doing the different problems everyone just puts in their respective numbers. This way you can save yourself a lot of time on questions that you really don't have to know how to do. On the plus side though, if you can work through the webassign by yourself you can certaintly pass the tests with flying colors. Good luck JOliv010, only a semester of that crap left.