Why not take a look at Omni's density calculator to find out how to calculate the density of different substances.
Potential energy is considered insignificant compared to the kinetic energy of molecules. Because the gas particles are widely spaced and moving at high speeds, they only interact via elastic collisions and. V 1 / T 1 V 2 / T 2 Gay-Lussac's law The pressure exerted on the sides of a container by an ideal gas of fixed volume is proportional to its temperature. The distances between the molecules are relatively large (low density) At constant pressure, the volume of an ideal gas is directly proportional to its temperature. The volume of the gas range, calculate the entropy change for the (1) system (2) surrounding and the (3). When compared to the volume occupied by the gas, the volume of these molecules is considerably small (particles) asked 11 hours ago in Chemistry by Nanya (65 points) 2 moles of an ideal gas C v,m m 20.9Jmol-1 K-1 are heated from 300K to 350K. The gas consists of a large number of molecules that are randomly moving at high speeds It is possible to express the partial pressure of one of the gas constituting the mixture thanks to the molar fraction of this gas in the mixture. Let's now take a look at what the main characteristics of an ideal gas are: The above explains why we use the ideal gas approximation. Many gases, including nitrogen, oxygen, hydrogen, argon, helium, and even heavier gases like carbon dioxide, and mixtures like air, can be treated as ideal gases by employing the ideal gas law with a small margin of error. Given the simplicity of the state equation, it results convenient to approximate real gases to an ideal gas. 
The Ideal Gas Law assumes several factors about the molecules of gas. This low-density condition corresponds to gases at higher temperatures and lower pressures. R is the molar gas constant, where R0.082058 Latmmol-1K-1. At very low densities all gases behave very similarly to an ideal gas. An ideal gas is a theoretical model of a gas that allows simplifying the study of real gases through the ideal gas law equation (PV = nRT).
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