Select the best answer. How is applied research different than experimental and descriptive investigations? 1 You are publishing a book or teaching a course from the results of an experime descriptive investigation. 2 Essentially, they are all the same types of investigations. 3 You are translating descriptive or experimental investigation into a practical to 4You are translating a practical tool into a theory.

answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.