Here are some good MSDS sites for fridays lab:
http://msds.chem.ox.ac.uk/SU/sulfuric_acid_concentrated.html
http://msds.chem.ox.ac.uk/HY/hydrochloric_acid.html
http://msds.chem.ox.ac.uk/XY/p-xylene.html

I'll write up a template for the lab notebooks at the start of the lab