Given the atomic radius of radon, 1.5 Å, and knowing that a sphere has a volume of 47m3/3, calculate the fraction of space that Rn atoms occupy in a sample of radon at STP.

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2

Which type of intermolecular force is pbr3