How many moles of an ideal gas would occupy a 400.0 liter container when the temperature is 300.0 k and the pressure is 2.20 atm?

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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.