Chemical Reactions Lab

Superior Essays
Chemical Reactions
I Purpose The purpose of this experiment was to test and see how four different chemical reaction worked. The four different chemical reactions are formation, decomposition, single-replacement, and double-replacement. The hypothesis of this experiment was that in each of the different reactions something would happen to the reactant whether it be color, mass, temperature, or pressure.
II Equipment For this experiment Late Nite lab was used. In Late Nite Lab the equipment was: a balance, a crucible, a Bunsen Burner, a 150 mL Erlenmeyer flask, a thermometer, a pressure gauge, a syringe, two 50 mL beakers, magnesium (Mg), Copper(II) Carbonate Hydroxide Hydrate (Cu2CO3(OH)2 x H2O,) 6M Hydrochloric acid (HCl), Zinc (Zn),
…show more content…
Then a crucible was placed on the balance and the mass was measured and recorded. Then the crucible was removed from the balance and 5 g of Mg was added to the crucible. Then the crucible was placed on the balance again and the mass was measured recorded. Then a Bunsen Burner was placed on the workbench and the crucible was placed on the Bunsen Burner. The Bunsen Burner was placed on a low flame and the crucible was left there for about two minutes. Then the crucible was taken off and left to cool for about two more minutes and then it was placed on the balance one final time and the mass was measured and recorded. Then everything was cleaned …show more content…
The hypothesis was correct when it states that in each of the experiments the substance would change somehow. In experiment 1 showing formation reaction the substance did change by gaining mass and the mass was increases by 3.289 g. Then in experiment 2 showing decomposition reaction the substance not only change by losing mass by 1.673 g. but it also changes color from green to black. For experiment 3 showing single-replacement reaction but the temperature and pressure increase with the reaction. Finally, in the double-displacement reaction the substance changed color from clear to green and a precipitate

Related Documents

  • Decent Essays

    6.03 Calorimetry

    • 506 Words
    • 3 Pages

    1. Heat water in a pan or beaker until it is boiling vigorously. 2. While you are waiting for the water to boil, measure the mass of the metal with your scale. Remember to report your answer to one more decimal place than what is marked off by the scale.…

    • 506 Words
    • 3 Pages
    Decent Essays
  • Improved Essays

    They can be identified by a color change, if a new gas is given off, if a precipitate or new solid forms, and if light, electricity, or heat is given off. b. observations- The observation that was made was that there was going to be many different experiments set up. Each of the experiments that were going to be set up would have a chemical change or physical change take place. c. purpose-The purpose of this experiment is to find out how to differentiate a…

    • 793 Words
    • 4 Pages
    Improved Essays
  • Improved Essays

    Then the mass of a weighing dish was recorded along with 0.35 g of KHP. The mass of an Erlenmeyer flask was then weighed as well. After both flask and substance were weighed, the combined mass of the flask and substance was recorded…

    • 281 Words
    • 2 Pages
    Improved Essays
  • Improved Essays

    The plate was allowed to cool, and then weighed to find…

    • 494 Words
    • 2 Pages
    Improved Essays
  • Improved Essays

    Unknown Lab Report

    • 750 Words
    • 3 Pages

    Materials. Numerous substances in the experiment were used. The most frequently used was the unknown due to the need to test its physical and chemical qualities. When a solution of the unknown was made, 1.000 g of the unknown and 1.0 mL of water was used to make it. To test for the possible ions, 1.0 mL of silver nitrate and 1.0 mL of nitric acid were used for the ion test.…

    • 750 Words
    • 3 Pages
    Improved Essays
  • Improved Essays

    Purpose: The purpose of this lab is to establish a concrete understanding of limiting reagents and percent yields. In addition, the lab should give the administrator the ability to analyze the effects of reactants on the product of a chemical reaction. Procedure: In part A of the lab, the first step in the procedure is to add 20 mL, and 25 mL of CaCl2 to two different flasks.…

    • 400 Words
    • 2 Pages
    Improved Essays
  • Improved Essays

    Hydrate Lab

    • 805 Words
    • 4 Pages

    Figure 2 shows the reaction in action. Before long less Zinc became visible at the bottom of the beaker. Copper became visible at the bottom of the beaker all at the same time. The bottom of the beaker released bubbles, or hydrogen gas, from the reaction. The reaction for this particular experiment is a single replacement reaction.…

    • 805 Words
    • 4 Pages
    Improved Essays
  • Decent Essays

    Chemical Change Lab

    • 150 Words
    • 1 Pages

    The purpose of this lab is to practice different scientific methods, practice making different observations, and observe chemical and physical changes. What we did was measure out 4 grams of the powder and same with the little ball shaped chemicals that were solid. What happened in this experiment was when you put the liquid chemical called the acid indicator in the different types joined and formed a gas type substance. And our uncertainty was low, we had no idea if we were doing the lab right and if we were going to get the right results but we had it in the bag. We had learned new things like how to make a reaction, gas, chemical, and burn something without a flame.…

    • 150 Words
    • 1 Pages
    Decent Essays
  • Improved Essays

    “Classifying Chemical Reactions - Lab Report” I - Introduction - Chemistry is the study of the composition, structure, properties and change of matter. In chemistry, chemical and physical changes are used to help scientists understand how different substances react given various circumstances. A chemical change is any change resulting in the formation of a new chemical substance(s). A physical property is any change that does not involve the chemical makeup of a substance at all. In total there are five (5) chemical reactions.…

    • 1370 Words
    • 6 Pages
    Improved Essays
  • Decent Essays

    In this lab, we carried out a variety of reactions using different chemicals and metals. A chemical reaction is when the chemical state of the substance you are testing rearranges its ionic and molecular structure. One of the reactions we experienced was single replacement, this consists of one ion switching places with another ion to form a new compound. Another reaction we saw was double replacement. In this reaction, two compounds ions are switched to form two new compounds.…

    • 177 Words
    • 1 Pages
    Decent Essays
  • Improved Essays

    Density Lab Report Essay

    • 979 Words
    • 4 Pages

    Afterwards, the flask was filled with distilled water to the mark, so that the bottom of the meniscus is aligned with the ring in the neck of the flask. The filled flask was then weighted and the measure was recorded. Then, the distilled water was poured from the flask into a 50 ml beaker and its temperature was recorded. Once that was done, the flask was cleaned with an unknown solution provided by the instructor and then the flask was filled with the same unknown solution up to the mark. The flask was weighted and its mass recorded.…

    • 979 Words
    • 4 Pages
    Improved Essays
  • Improved Essays

    Observations and Results: There were a variety of physical observations that could be made as the experiment progressed. Initially after the addition of the sulfuric acid from the Repipet, the solution was a slight yellow…

    • 1346 Words
    • 6 Pages
    Improved Essays
  • Improved Essays

    Magnesium Oxide Lab Report

    • 1193 Words
    • 5 Pages

    We carefully weighed the crucible, cover, and magnesium ribbon together. The total mass was recorded. Next, we heated the crucible with the magnesium in it, but we left the cover aside. When the Magnesium started to burn, we put the cover back on to put out the fire. We continued to heat the crucible for a minute before taking off the cover.…

    • 1193 Words
    • 5 Pages
    Improved Essays
  • Great Essays

    We then massed the crucible and added two grams of the unknown carbonate to the crucible, then recorded its combined mass. We then repeatedly heated, cooled, and massed the crucible until the mass of the crucible and the unknown carbonate no…

    • 890 Words
    • 4 Pages
    Great Essays
  • Improved Essays

    Conclusion: The the precipitation reactions lab eight out of the fourteen occurring reactions were precipitates. A precipitate means that a solid substance was formed or a substance that is not aqueous was formed. The reactions that did not form a precipitate were DNR, which means that they did not react. At station one barium chloride and potassium nitrate did not react but barium chloride and silver nitrate reacted to form barium nitrate and silver chloride. The precipitate at station one was silver chloride.…

    • 939 Words
    • 4 Pages
    Improved Essays