A student reacts 3.4 moles of aluminum with excess water according to the following equation:2Al(s) + 6H2O(g) → 2Al(OH)3(s) + 3H2(g)How many moles of hydrogen gas will the reaction produce? (pls show work as well)

The diagram shows the relationship between scientific disciplines. the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a. physics b. biology c. chemistry d. metallurgy