A reaction of heating potassium permanganate produces potassium manganate, manganese dioxide and oxygen gas.
Heat 15.8 g potassium permanganate until no more oxygen gas
is given off. The remaining material has a mass of 14.2 g. What
mass of oxygen gas was produced in the reaction?


For each of the following, decide whether the statement describes photosynthesis, cellular respiration, or both. releases energy in the form of atp. stores energy in glucose molecules. performed by producers. performed by consumers.

Which element is found in both dna and proteins

Why would satellite imagery be more useful than a map in some instances? check all that apply. provides landmarks such as buildings is an overhead view of earth’s features can be used when internet is not available provides small details of roads for digital maps provides various methods of transportation to a location