In the reaction (2 Fe2+ + H2O2 + 2 H+ -> 2 Fe3+ + 2 H2O), what is the role of H2O2 *

1-reducing agent

2-acid

3-oxidizing agent

4-base

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

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)

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring