What is formed when atoms join together with a covalent bond?

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]

Which characteristics can be used to differentiate star systems? check all that apply.

Displacement is the slope of a velocity vs. time graph a. true b. false