How much energy is evolved during the reaction of 48.7 g of al, according to the reaction below? assume that there is excess fe2o3. fe2o3(s) + 2 al(s) → al2o3(s) + 2 fe(s) δh°rxn = - 852 kj

Aswimmer is determined to cross a river that flows due south with a strong current. initially, the swimmer is on the west bank desiring to reach a camp directly across the river on the opposite bank. in which direction shoud the swimmer head? a. the swimmer should swim southeast. b. the swimmer should swim south. c. the swimmer shuold swim northeast. d. the swimmer should swim due north. e. the swimmer should swim due east.