Calculate the density of a sugar cube with a mass of 2.9 grams and a length of 1.5cm ,width of 1.5cm, and height of 1.5cm

Particles vibrate in a rigid structure and do not move relative to their neighbors.

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.

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?