Stan is shown two balls of Play-Doh that are identical in size. One of the balls is smashed flat and Stan is asked if one ball contains more Play-Doh than the other. He responds, "No, they are still the same. See, I can roll this one back into a ball." Stan understands .

Determine the expected diffraction angle for the first-order reflection from the (310) set of planes for bcc chromium when monochromatic radiation of wavelength 0.0735 nm is used. the atomic radius for cr is 0.1249 nm.

What is the coefficient of kinetic friction μk between the block and the tabletop?

9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.