Which statement is the correct comparison of the midpoint and equivalence point rates of change of pH as a function of volume and its consequence for the careful determination of pH?

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?

What are some natural measures of time