The Energy Systems division conducts applied research to strengthen the economy, protect the environment, and enable energy independence and national security. With Inquiry in Action, you can teach physical science and chemistry concepts using an inquiry-based approach that supports national content chemistry in action pdf. Learn about the composition of water and its attraction for itself. Learn about the characteristics of a physical change and the chemistry of solubility.
Learn about the forces that hold together different types of liquids. How can you predict what liquids will dissolve in other liquids? Learn how to recognize a chemical reaction and and understand temperature changes. Review state changes in water and how to tell the difference between temperature and heat. Learn how to easily define density and how the density of a substance can be changed.
American Chemical Society’s online store. It may be taken by mouth or rectally. Usually it works in one to three days. Rarely, there may be abdominal cramps or diarrhea. Long-term use may cause poor bowel function. It works by allowing more water to be absorbed by the feces. In the United States, one hundred doses are about 14 USD.
Given orally, the effects usually are seen 1 to 3 days after the first dose. The drug may be used in people who are receiving opioid medication, although prolonged use may cause irritation of the gastrointestinal tract. Data supporting its efficacy in treating chronic constipation are lacking. The effectiveness of laxatives for constipation in those receiving palliative care is unclear, as it has not been sufficiently studied. The comparative effectiveness of different laxatives in this group also is unclear as of 2015.
Docusate sodium may be given by mouth or rectally. It also is used as an emulsifier and dispersant in topical preparations. Unsourced material may be challenged and removed. It is not suitable for the treatment of chronic constipation, since its mode of action is as a symptom reliever, not a cure for any specific underlying cause. Possible side effects are typically mild and include stomach pain, diarrhea, or cramping. Serious allergic reactions may occur with the drug. The most severe side effect of docusate, although very rare, is rectal bleeding.