What mass, in grams, of KClO3 is consumed when 38 grams of O2 is produced according to the following rxn: KCIO3 → O2 + KCl.

The volume of a sphere is given by v= (4/3) pi r cubed, where r is the radius. compute the volume of a sphere with a radius of 117pm. state your answer in units of cubed.

Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole

In which situation can a mixture always be called a solution