Is FeS + HNO3 ⟶ Fe(NO3)2 + H2S a redox reaction?

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.

What is the cellular process that releases the energy stored in food molecules

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