What fact was most likely discovered between the time of Mendeleev table and the time of Moseley table that helped Moseley develop his version

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.

Aforce of 100 newtons is used to move an object a distance of 15 meters with a power of 50 watts. find the work dine and the time it takes to do the work