The starch and water molecules in potato cells are stored in what organelle?

There are main groups in the modern periodic table of elements

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 does the symbol (–hfus) indicate in a phase change?