Write equilibrium constant expressions for Kc, and for Kp, if applicable, for the following processes: (a) 2 CO2 (g) <=> 2 CO (g) + O2 (g)
(b) 3 O2 (g) <=> 2 O3 (g)
(c) CO (g) + Cl2 (g) <=> COCl2 (g)
(d) H2O (g) + C (s) <=> CO (g) + H2 (g)
(e) HCOOH (aq) <=> H^+ (aq) + HCOO^- (aq)
(f) 2 HgO (s) <=> 2 Hg (l) + O2 (g)

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

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?

Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°