The change in entropy, δ∘rxn , is related to the the change in the number of moles of gas molecules, δgas. Determine the change in the moles of gas for each of the reactions and decide if the entropy increases, decreases, or has little or no change.

The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.