Barium can be analyzed by precipitating it as BaSO4 and weighing the precipitate. when a 0.369g sample of a barium compound was treated with excess H2SO4 0.153g of BaSO4 formed. what is the percentage of barium in the compound?

56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls

What is the mass of phosphorous in a 51-kg person

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction