What is the density of iridium metal? (ir: 192.2 g/mol; face-centered cubic with 3.83x10^-8 cm edges).

What must happen before a body cell can begin mitotic cell division

Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.