Chem 2AP Gas Laws Lab.docx

# Chem 2AP Gas Laws Lab.docx - Calculating Experimental...

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Calculating Experimental Values for the Universal Gas Constant with the Ideal Gas Law Du, C., Wu, A., Wu, K. Falat, A. Lab section C, 12/13/2016 Introduction: This lab focuses on gases and their properties represented by PV=nRT. P, V, n, and T are all variables for pressure (torr or mmHg), volume (L), moles (quantity), and temperature (°K). R is the universal gas constant. The ideal gas law is derived from V= k P (Boyle’s law), V=bT(Charles’s law), and V=an(Avogadro’s law). An important thing to note is that this equation is best regarded as a limiting law meaning it represents the behavior of gases at low pressures and high temperatures, thus concluding that an ideal gas is a hypothetical idea (Zumdahl&Zumdahl, 2014). Another essential equation is P total =P gas1 +P gas2 +... also known as Dalton’s Law of Partial Pressures (LibreTexts). Dalton states that the total pressure of a mixture of gases is equal to each gases’ partial pressure exerted on other gases. With this law, one can determine the partial pressure of one gas because gases diffuse to fill the available volume. Ideal
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