Saturday, November 30, 2013

Lab Report: determine the molar mass of an unknown gas, from the gas density

PURPOSE :         In this particular laboratory experiment, we ar sack to restrain the molar mass of an unknown gas, from the gas density. We atomic number 18 also going to use gas density, along with the kinetic molecular theory, to explain the behavior of gas filled balloons. Finally, we ar going to demonstrate the effects of temperature and pressure changes of gasses. PROCEDURE :         We are using the data-based procedure as described in our laboratory manual.         University of Wisconsin - River Falls         research laboratory Manual         interpersonal chemistry 116                                    Experiment 116-8                                    Molar Mass From Gas Densities                                    Pages 81 & inter national ampere; 82         There are no changes to this laboratory or from the indicated laboratory procedure. MATERIALS and APPARATUS :                   voice A-1: In this part of the experiment, we are going to observe lead balloons filled each with unmarried of ternary different gasses. So as part of our materials we personnel casualty to set about three balloons as nearly as the three gasses. These balloons were already prepared for us and we kept underneath the experience hood for observation.                  Helium                                    Sulfur Exofluoride                  He                                    SF6                  4.002602 g.                           146.06 g.
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                 Laboratory stock                           Laboratory Stock                                    Ammonia                  NH3                  17.031 g.                  Laboratory Stock         Part A-2-5c:         During this part of the experiment, our materials and equipment consisted of one, clean, dry, 500mL plastic bottle with an airtight cover. Along with the bottle we need an electronic balance, a thermometer set up t o cadence the air temperature, as well as a barometer with a chart on how to determine the readings. Finally we must have the six different gasses with which to do our experiment.                                             Distilled Water                           Helium                   water          ... If you want to get a extensive essay, order it on our website: BestEssayCheap.com

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