How to calculate the number of moles

Noble gases are the most reactive elements on the periodic table. a. true b. false

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 happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?