Which statement is true about molarity and percent by mass? (3 points)

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.

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

What volume would 2.25 moles of ne has occupy at stp?