Homework: Section 4.5 Homework HW Score: 0%, D of 10 points Question 1, 45.1 0 Points: Oof'i Next question Select the correct choice that completes the sentence below. On the Richter scale. the magnitude of an earthquake, M : V The energy, E; released by an earthquake of magnitude M is given by logE= V E Homework: Section 4.5 Question 2, 4.5.9 HW Score: 0%, 0 of 10 points Homework Part 1 of 2 O Points: 0 of 1 Save Next question The concentration [ H ] of a substance is 10 -2. Calculate the pH value and classify it as an acid or a base. The pH value of the given substance is . (Simplify your answer.)Homework: Section 4.5