Metallic aluminum reacts with mno2 at elevated temperatures to form manganese metal and aluminum oxide. a mixture of the two reactants is 67.2% mole percent al.
find the theoretical yield (in grams) of manganese from the reaction of 290g of this mixture.

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later