Preview

Lab Report Conclusion

Good Essays
Open Document
Open Document
273 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Lab Report Conclusion
Conclusion
In this experiment, we measured the mass of 4 gasses; oxygen, carbon dioxide, helium, and lab gas. We took a Ziplock bag, and turned into a non-stretchy balloon, and filled with each gas and measured the apparent mass then calculated the actual mass, then find a ratio between the mass of oxygen and the other gasses. We tried to keep the pressure about the same each time so our calculations would be more accurate.
We found out that the heaviest was carbon dioxide, and the lightest was helium. In fact, helium and lab gas had a density below 0. Anyways, it turned out that our apparent masses were very different from our actual mass calculations; for example oxygen’s apparent mass was 28.33g but its actual mass was 4.10g. We also found the ratios, and after collecting class data, our carbon dioxide ratio was 1.39/1g, our helium ratio was .21/1g, and our lab gas ratio was .59/1g.
Then we had to come up with two hypotheses to figure out why one gas is heavier (denser) than another? Well, we came up with hypothesis #1: The different molecule mass hypothesis, and hypothesis #2: The more molecules in the same volume hypothesis. After having a class discussion, turns out that hypothesis one is more reliable due to Avogadro’s hypothesis; if two gasses at the same temperature and equal volume contain equal amount of molecules. So according to the statement above, the carbon dioxide molecules must be 1.39x bigger than an oxygen molecule, a helium molecule must be .21x bigger, and .59x bigger than an oxygen

You May Also Find These Documents Helpful

  • Powerful Essays

    Nt1310 Unit 6 Lab Conclusion

    • 2742 Words
    • 11 Pages

    The mass of a cylinder was determined using a digital balance. These results are more questionable since the device may not have been properly calibrated. A more refined approach would be to use a newly calibrated balance of even greater…

    • 2742 Words
    • 11 Pages
    Powerful Essays
  • Good Essays

    Week 4 iLab Report

    • 640 Words
    • 4 Pages

    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.…

    • 640 Words
    • 4 Pages
    Good Essays
  • Good Essays

    molar mass ap chem

    • 1051 Words
    • 6 Pages

    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.…

    • 1051 Words
    • 6 Pages
    Good Essays
  • Better Essays

    Unknown Lab Report

    • 2145 Words
    • 9 Pages

    The purpose of this lab was to identify two unknown bacteria cultures using various differential tests. The identification of these unknown cultures was accomplished by separating and differentiating possible bacteria based on specific biochemical characteristics. Whether the tests performed identified specific enzymatic reactions or metabolic pathways, each was used in a way to help recognize those specifics and identify the unknown cultures. The differential tests used to identify the unknown cultures were oxidase, catalase, lactose and sucrose fermentation, Kugler/iron agar, nitrate reduction, gelatin hydrolysis, starch hydrolysis, manitol salt, MR-VP, citrate, bile esculin, indole, urease, DNase, and coagulase.…

    • 2145 Words
    • 9 Pages
    Better Essays
  • Satisfactory Essays

    Lab 02 - Lighter than Air? A Density Study: Lab 02: Lighter Than Air? A Density Study…

    • 671 Words
    • 5 Pages
    Satisfactory Essays
  • Good Essays

    Chemistry

    • 1374 Words
    • 6 Pages

    Consider two different compounds of carbon and oxygen: carbon dioxide, , and carbon monoxide, . The number of oxygen atoms per carbon atom in is double the number of oxygen atoms per carbon atom in . So we can predict that the mass of oxygen per gram of carbon in is double the mass of oxygen per gram of carbon in . And, in fact, if other carbon-oxygen compounds existed, we could predict small, whole-number ratios for the masses of oxygen per gram of carbon in all of them.…

    • 1374 Words
    • 6 Pages
    Good Essays
  • Satisfactory Essays

    The purpose of this lab will be to brominate trans-stilbene by using acetic acid and pyrimidium tribromide by refluxing the mixture. To test the purity of product I will take the melting point which should be around 240 ºC along with a flame test which should be green-blue.…

    • 669 Words
    • 3 Pages
    Satisfactory Essays
  • Good Essays

    Ap Chemistry Lab Report

    • 678 Words
    • 3 Pages

    4. When vaporized, the volatile liquids used in this experiment do not behave exactly as ideal gases. How would this tend to affect your calculated molecular weight?…

    • 678 Words
    • 3 Pages
    Good Essays
  • Satisfactory Essays

    Avogadro proposed, correctly, that any gas in a container of the same size, with the same temperature and pressure, would have roughly the same number of molecules in it, no matter what the gas was. So any difference in mass between two flasks of the same size full of two different gases would be because of a difference in the actual physical mass of the molecules. And thus, Avogadro basically figured…

    • 136 Words
    • 1 Page
    Satisfactory Essays
  • Powerful Essays

    Avogadro's Law Experiment

    • 1427 Words
    • 6 Pages

    Becca DeHaven ChemC-125 Avogadro’s Law Experiment Report Introduction: The following experiment’s purpose was to confirm Avogadro’s Law and experimentally determine the Universal Gas Constant “R”. Amedeo Avogadro hypothesized that all gases of equal volume, temperature and pressure would contain equal amounts of moles. This idea that volume is directly proportional to moles sprung from other similar hypotheses. Robert Boyle found that pressure and volume are inversely proportional, meaning as pressure increases, volume decreases and visa versa.…

    • 1427 Words
    • 6 Pages
    Powerful Essays
  • Good Essays

    Balloon

    • 445 Words
    • 2 Pages

    To create a miniature hot air balloon the required materials are: tissue paper, glue sticks, scissors, and a gore template that can be found on the internet. To assemble the balloon the tissue paper must be cut into 8 panels using the gore template. The panels must then be glued onto each other by offsetting one of the panels by 1 centimeter. This step must be repeated until all 8 panels are glued together and form a balloon. The balloon should measure 1.5 meters tall and about ¾ of a meter in diameter along its widest point. Since April, 22nd is Earth day it has been decided to recycle old materials to make our balloon so it will be eco-friendly.…

    • 445 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Rocket Lab

    • 904 Words
    • 4 Pages

    When Henry Cavendish discovered hydrogen in 1774 and Joseph Priestley found oxygen in 1776, neither man would expect the effect these elements could have on modern science, namely rockets. But creating a rocket is just combining these two gases in a closed environment, and one spark. This lab exemplifies just that what happens when the gases H2 and O2 are chemically combined with a spark. In this lab, the objective was to see how far a pipette filled H2 and O2 could travel. One half a centimeter of H2O was added to keep the gases inside, and make sure that only these H2 and O2 where included in the pipettes. Different ratios of each of these gasses where tested: ½ O2 and ½ H2; ⅓ H2, ⅔ O2; ⅓ O2, ⅔H2; ¼ H2, ¾ O2; ¼ O2, ¾H2; all O2; and all H2. Each ratio was tested five times to help provide accurate data. Gases differ greatly from their liquid and solid forms, being affected by temperature, volume, and pressure in unique ways when in this state of matter. Four important laws help in the understanding of the behaviors of gases. According to Charles's Law, the temperature of a gas increases; the volume also increases as long as the pressure and moles are kept constant. To allow for an increase in volume of the gas, as well as temperature, molecules spread out moving faster. Boyle's law states that when the volume of a gas decreases, the pressure increases as long as the temperature and the number of moles is kept constant. As the temperature of a gas increases, so does its pressure, as long as the moles and volume are kept constant According to Gay-Lussac's Law. When gas is sealed in a container, and its molecules are heated, they will move faster and try to spread but stay confined by the container. The push against the container in an attempt to spread out increases the pressure of the gas. Avagadro's Law, states that as the number of moles of a gas increase, so does its volume. According to Avagadro’s Law, it can be said that one mole of a one…

    • 904 Words
    • 4 Pages
    Good Essays
  • Good Essays

    Lab Report

    • 2501 Words
    • 11 Pages

    Department of Physics, University of Utah, Salt Lake City, 84112, UT, USA (Dated: March 6, 2013) Using a simple pendulum the acceleration due to gravity in Salt Lake City, Utah, USA was found to be (9.8 +/- .1) m/s2 . The model was constructed with the square of the period of oscillations in the small angle approximation being proportional to the length of the pendulum. The model was supported by the data using a linear fit with chi-squared value: 0.77429 and an r-square value: 0.99988. This experimental value for gravity agrees well with and is within one standard deviation of the accepted value for this location.…

    • 2501 Words
    • 11 Pages
    Good Essays
  • Powerful Essays

    Lab Report

    • 1991 Words
    • 12 Pages

    application, the Michelson Interferometer is mated to a microscope and the cell is in one arm of…

    • 1991 Words
    • 12 Pages
    Powerful Essays
  • Powerful Essays

    Lab Report

    • 2870 Words
    • 12 Pages

    Capacitor is an electrical passive device for storing charge in the form of electric field. In its simplest from, It consists basically consists of two conductors which are separated by a dielectric medium (non-conductor) such as air, waxed paper, plastics, etc. The capacitance of capacitor is directly proportional to the surface areas and the inverse of the separation of the two conductors. The dielectric constant of the non-conductor is also affecting the capacitance.…

    • 2870 Words
    • 12 Pages
    Powerful Essays