What are two things that characterize the practice of science

The grooves or folds of the brain are called

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer