Rahul bought a statue made of copper. to his surprise it acquired a dull green coating after a couple of months. explain the reason & name the process

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

What is the molar mass of potassium nitrate, kno3