HELP ME Calculate the mass of sodium azide required to decompose and produce 1.19 moles of nitrogen. Refer to the periodic table to get the atomic weights.

Calculate the number of molecules present in 0.750 mol of mgo.

What type of organic molecule comprises the majority of a potato?

Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?