In the reaction 2 HgO --> 2 Hg + O2 how many moles of O2 are produced when 16.6 moles of HgO are decomposed?

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

14 days is the half-life of phosphorus-32

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.