This is slightly acidic — you may remember from college chemistry classes that the neutral pH of water is around 7. (woofwhiskers.com)
Lee was able to tell her former student how much she's enjoyed the more than 30 years that she's worked as a community college chemistry instructor. (sciencemag.org)
Pick up any freshman college chemistry text or physical chemistry text for more detail on the 2nd law.» (religion.blogs.cnn.com)