when producing hydrogen iodide, the energy of the reactants is 581 kj/mol, and the energy of the products is 590 kj/mol. the equation is shown. h2 + i2 → 2hi what is the total energy of the reaction? is this an endothermic or exothermic reaction?

Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.