What is the OH- ion concentration of an aqueous solution with a pH of 5?

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.

Which element is least likely to undergo a chemical reaction

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n