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A gaseous compound is 30.4% nitrogen and 69.6% oxygen by mass.A 5.25-g sample of the gas occupies a volume of 1.00 L and exerts a pressure of 1.26 atm at -4.0°C.Which of these choices is its molecular formula?
Circulatory System
The body's system responsible for transporting blood, nutrients, gases, and wastes to and from cells, helps fight diseases and maintain homeostasis.
Exchanges Nutrients
The process by which cells, tissues, or organisms take in nutritional substances and expel waste products.
Blood Pressure
The force exerted by circulating blood on the walls of blood vessels.
Arteriovenous Anastomosis
Vessel through which blood is shunted from an arteriole to a venule without passing through the capillaries.
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