Write a balanced chemical equation for the reaction of iron with oxygen to form iron oxide (Fe2O3).
Then write a description of what you would observe as a piece of iron rusts. Which one is mostly a
chemical description, and which one is mostly a physical description? (4 points)

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

What is the percentage of hydrogen in nitrogen trihydride

Listenbase your answer to the question on the information below.nuclear radiation is harmful to living cells, particularly to fast-growing cells, such as cancer cells and blood cells. an external beam of the radiation emitted from a radioisotope can be directed on a small area of a person to destroy cancer cells within the body.cobalt-60 is an artificially produced radioisotope that emits gamma rays and beta particles. one hospital keeps a 100.0-gram sample of cobalt-60 in an appropriate, secure storage container for future cancer treatment.which choice represents the correct product for the beta decay of the co-60? fe-60ni-60fe-61ni-61