Can someone help me on a task?

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.

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

In in , is to a 28.4-g (1-oz)−23.0 °c to −1.0 °c?