Please answer ASAP fifty points for each complete legitimate answer, ik its a lot but please

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

What three things determine the shape and size of a puddle when water is poured out onto a surface

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.