Who discovered copper and in what year?

The conventional equilibrium constant expression (kc) for the system below is: 2icl(s) ⇄ i2(s) + cl2(g) [cl2] ([i2] + [cl2])/2[icl] [i2][cl2]/[icl]2 none of the listed answers are correct [i2][cl2]/2[icl]

What shape would a molecule with two bound groups and two lone pairs have?

What is the molar mass of a gas that has density of 2.054 g/l