John needs to create a buffered solution at a pH of 3.5 for his biomedical laboratory. a. Using the chart below, determine the appropriate acid for this application.​

What are the 4 phases of matter in order of increasing engery content?

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

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.