Which led to the formation of oceans after water on Earth's surface evaporated?

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 is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6

What type of energy conversion occurs when you place your feet near the fire place and they become warm