Explain why the container of water must be inverted when a gas is collected by displacement of water.

Aluminum–lithium (al-li) alloys have been developed by the aircraft industry to reduce the weight and improve the performance of its aircraft. a commercial aircraft skin material having a density of 2.47 g/cm3 is desired. compute the concentration of li (in wt%) that is required.

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule