Nitogen dioxide, NO2, is a red-brown gas that is considered an air pollutant. When heated, nitogen dioxide gas decomposes into nitrogen monoxide and oxygen gas, according to the following reaction. 2 NO2(g) = 2NO(g) + O2(g) A sample of nitrogen dioxide in a sealed vessel was heated to 575 K, and the total pressure in the vessel was measured to be 0.0980 atm before any reaction had occured. The total pressure in the vessel was monitored over time during the reaction, giving the following data. Time (s) Total pressure (atm) What is the rate law for the decomposition reaction? 0.0980 27 0.1268 rate = KPNPO, 45 0.1325 rate = KPNQ 87 0.1383 O rate = kPRo rate = k Calculate the rate constant for the reaction. Determine the units on the rate constant based on the order of the reaction. units: k = Determine the total pressure in the reaction vessel after 391 s. ProtaF atm
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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