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The purpose of this lab was to determine the effect of temperature on the volume of gas when the pressure is consistent and to verify Charles’ Law. The data from the experiment reveals that as temperature increases, so does volume. This also indicates that as temperature decreases, the volume decreases as well.…
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6. Complete the following statement: In Charles’s Law, the volume of a gas …………….. when the ……………… decreases.…
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Step 3. Using the H2 bulb from Step 1, I placed the bulb over the O2 gas delivery tube and displaced the rest of the water with oxygen. I removed the pipet bulb and introduced the gas to the flame. I observed no reaction with this gas.…
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Charles’s Law (also known as the law of volumes) is an experimental gas law which describes how gases tend to expand when heated. At constant pressure, the volume of a given mass of an ideal gas increases or decreases by the same factor as its temperature on the absolute temperature scale. It can be written as V∞T where V is the volume or the gas and T is the absolute temperature.…
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1. A sample of gas occupies a volume of 7.50 L at 0.988 atm and 28.0 °C. (a) Calculate the pressure of the gas if its volume is decreased to 4.89 L while its temperature is held constant. (b) At what temperature in degrees Celsius is the volume of the gas 4.0 L if the pressure is kept constant.…
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This paper reports a lab experiment done on the ideal gas law to determine differences in gas based upon their “R” constant difference to 0.082057. A total of seven gases were tested, which included, Ethanol, Hexane, Cyclohexane, Pentane, Ethyl Acetate, Butane and Acetone. These gases were each heated and then condensed to liquid gas to find specific values and determined Ethanol as the gas closest to ideal behavior in this experiment.…
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Discussion: This lab could have been improved by performing the lab simulation multiple times and the data averaged out to reduce the percentage error. The results of this lab correspond to the rules of Boyle’s law, the volume of the container decreased as the pressure increased while the temperature remained the same.…
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Molar masses, can be seen and used daily in chemistry. In this lab, the ideal gas law helps determine and evaluate the molar mass of gases and volatile liquids. The ideal gas law compares four properties of a gas which include pressure, volume, moles, and temperature. During this experiment, the moles would be unknown, in effect the student must use a substance mass divided by its molar mass. With this, the ideal gas law can be arranged in an equation fit for helping the student determine the molar mass of a gas.…
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c) I then filled the large stem pipet with water and placed it atop the rubber stopper.…
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An obligate aerobe is a microorganism that must have oxygen for growth and will grow at the top of the test tube. A facultative aerobe prefers oxygen but it is not necessary for growth. Many of these microorganisms will grow at the top of the tube, but will also be dispersed throughout as well.…
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• describe the effects of this change on the pressure and volume of the gas sample.…
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Purpose: To analyze a few physical and chemical properties of gases as well as using those properties to identify the gases.…
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The purpose of this lab is to investigate vapor pressures and the partial pressure of gas produced from liquids at different temperatures. These pressures vary at different temperatures. In any given liquid there is a vapor that is produced above directly above the liquid, this can be determined intuitively from smell. (Do not smell the liquid used in this experiment, denatured alcohol is harmful) At a given temperature the evaporation and condensation happen at the same rate which causes an equilibrium called vapor pressure. In this experiment only the total pressure within a sealed container can be determined, which is done so by using a Vernier temperature probe. Increase in pressure is determined using the probe to calculate pressure with increased temperature. To calculate increase in pressure of the air, the ideal gas law is used which is:…
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By combining Boyle’s Law, Charles’ Law and Avogadro’s Law, the General Gas Law (or ideal gas law) is proposed. It reveals the relationship between the three properties of a gas, which is pressure, volume and temperature, in a container. It states:…
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A safety audit for the gas-solid fluidization experiment was conducted. The following safety concerns were found when performing the audit: operating beyond the operating limits, spillage of the beads, risk of head injury from bending over to change the beads in the apparatus or from the low bar, and congestion of the workspace.…
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