Which statement describes a reversible reaction that has reached chemical equilibrium?

In an exergonic reaction,

(a) Large molecules are broken down into smaller ones.

(b) Small molecules are assembled into larger ones.

(c) Molecules are rearranged to form new molecules.

(d) Molecules move from reactants to products and back.

(e) Energy is released during the reaction.

Every year dozens of elderly people are found dead in their unheated apartments and listed as victims of hypothermia. What is hypothermia, and how does it kill? Why are the elderly more susceptible to hypothermia than the young?

Which of the following statements is true for all exergonic reactions?