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write one to two paragraphs to explain why it is not a good idea to stand outside in a thunderstorm and wait for lightning to strike (as many stories about ben franklin say he did). use the words "electrical charge," "conductor," and "insulator" at least once in your last paragraph

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.

Which notation is used to represent an alpha particle? a. b. c. d.

Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i.e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.