Consider the following gas processes. the initial state for all processes is 0.250 mol of helium (monatomic ideal gas) in a 150.0 ml container at 35.0 °c. a. isochoric heating to 212 °c. calculate the final pressure of the gas. b. isobaric heating to 212 °c. calculate the final volume of the gas. c. isothermal expansion to 275.0 ml. calculate the final pressure of the gas. d. draw each process on a p-v diagram with axes labeled& scaled. you can draw them on separate p-v diagrams or on the same diagram, whichever you prefer.

1. what is the relationship between wavelength and the penetrating power of an electromagnetic wave? a) the penetrating power has no relationship to the wavelength. b) the penetrating power increases as the wavelength increases. c) the penetrating power decreases as the wavelength increases. d) the penetrating power decreases as the wavelength decreases. 2. as ice melts and turns into water, the speed of sound through the material would most likely do what? justify your answer. a) the speed would not change because the material is always water. b) the speed of sound would increase because the density of water is less than that of ice. c) the speed of sound would increase because energy is added to ice in order to make it melt. d) the speed of sound would decrease because sound travels faster through solids than liquids. 3.which of these waves need a medium to travel through? a) sound b) x-rays c) infrared rays d) visible light