Hydrogen peroxide (h2o2) decomposes into water and oxygen. Adding a small amount of aqueous fecl3 increases the rate of gas evolution in this reaction. What is the best description of the role of fecl3?.

Match each fossil with the layer where it’ll be present based on those conditions.

Case # 51173878 weighs 814 pounds; case # 51173981 weighs 803 pounds; case # 51174058 weighs 817 pounds; case 51174178 weighs 815 pounds; case # 51174248 weighs 817 pounds; case # 51174495 weighs 781 pounds; case # 51174577 weighs 828 pounds. what are the case #'s of the two cases that weigh the same amount?

Students taking a clep exam can earn between college credits, depending on the college's policies.