Look at the reaction below and state which direction the reaction would shift: - You remove mercury(II) oxide, HgO, from the reaction.

2HgO (s) <=> 2Hg (l) + O2 (g)

Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.