Widely used anti-inflammatory drug, Ibuprofen has a pKa value of 4.43. Stomach contents have pH range of 1.5-3.5, and small intestine has pH range of 6-7. Make an assumption, that the pH of stomach is 2.0 and the pH of small intestine is 7.0 Calculate the ratio between charged ibuprofen/uncharged ibuprofen at each digestive organ in the order of stomach and small intestine, and determine in which digestive organ most ibuprofen gets absorbed.

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

Which of these sequences lists the correct order for the creation of sedimentary rock from sediment? a. deposition, burial, compaction, cementation b. burial, deposition, compaction, cementation c. compaction, deposition, burial, cementation d. cementation, deposition, burial, compaction

Ascientist is measuring the pressure that is exerted by each of the following gases in the atmosphere: carbon dioxide, oxygen, and nitrogen. which term most likely describes what she is measuring?