In this demonstration, you saw the fire change colors after the Mystical Fire was added. Based on what you know, describe what caused the change in color after the Mystical Fire was added using Chemistry terminology.

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)

Enzymes affect the reactions in living cells by changing the

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?