Here are the links for the animations we watched in class.
http://www.csun.edu/~jte35633/chemFlash/acidBase.swf
http://preparatorychemistry.com/acids_flash_audio.html
http://preparatorychemistry.com/neutralization_flash_audio.htm
Here is a pdf for background info on acid base reactions
http://preparatorychemistry.com/Bishop_Book_5_eBook.pdf