Liquid nitrogen has a density of 0.808 g/ml, and boils at 77 K. Researchers often purchase liquid nitrogen in insulated 191 L tanks. The liquid vaporizes quickly to gaseous nitrogen (which has a density of 1.15 g/L at room temperature and atmospheric pressure) when the liquid is removed from the tank. Suppose that all 1091 L of liquid nitrogen in a tank accidentally vaporized in a lab that measured 12.00 mx 12.00 mx 3.00 m. Part A What maximum fraction of the air in the room could be displaced by the gaseous nitrogen? Vi ΑΣΦ
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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