Need help now If I burn hexane (C6H14) in a bomb calorimeter containing 5.65 Lof water, what’s the energy of combustion of hexane is the water temperature rises 55.40 C? The heat capacity of water is 4.184 J/g0C.

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.

How do you know when a chemical reaction has occurred

Which method would be best to separate a mixture of sand and gravel