Chemical Reaction Lab Report Results
Objective: The purpose of this experiment was to gain a better understanding of what a chemical reaction is, how to identify if one actually occurred and correctly show one using a balanced chemical equation. Students will achieve this by mixing substances and attempting to determine whether a reaction took place using prior knowledge of indicators that determine the presence of a chemical reaction. Materials: Safety goggles Aluminum foil Beaker 50 mL of distilled water Copper (II) Chloride (CuCl2) Thermometer Scale Discussion: In chemistry, a chemical reaction is the process by which one or more initial substances change into a new substance through a process of chemical changes. There are multiple indicators that a chemical reaction has occurred such as, temperature change, color change, gas production, and the formation of a precipitate. However, while these are good indicators the best way to determine whether a chemical reaction has occurred is through a chemical analysis. Procedure: Safety Notes: Dress appropriately with long sleeves, long pants, and close toed shoes …show more content…
Observe the changes of the foil and solution and write them down Pre-Lab Questions: No pre lab questions for this lab. Summary: See attached
Chem 100 Final Lab Report
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1204 Words | 5 Pageseach paper remained it's original color, thus concluding that the unknown was neutral. These results also led the students to believe the unknown was CaCl2 since it was listed in the neutral column. After the litmus test was conducted the students added a few drops of Na3PO4 to the unknown. When these two were combined a precipitate was formed. This final test on unknown F verified that it was CaCl2.
Alka Seltzer Lab Results
657 Words | 3 PagesRepeat steps 1-10 for two more trials. Conclusion: 1. I chose to compare temperature and amount of reactants in my experiments. I chose these because I thought they would reveal the the most drastic time differences. I also chose these factors because I had prior knowledge of them before I even started chemistry.
Double Replacement Lab Report
1272 Words | 6 PagesDouble Replacement Lab Report Date Completed: October 8, 2015 Objective To analyze and determine if a chemical reaction occurred between two compounds using the concepts we learned in class. Also, if the chemical reaction occurred, to determine if it formed a precipitate or gas. Safety General Safety Precautions: Do not touch the chemicals Use of gloves and coats are recommended, use of goggles should be required Keep the work area clean Dispose of the chemicals properly, DO NOT dispose them in the sink Clean up your work station Wash your hand before and after the lab Make sure all chemicals are labeled correctly NEVER return chemicals to reagent bottles Use the wafting technique to smell the chemical Clean up spills immediately
Lab Report Copper
1319 Words | 6 PagesBy cycling copper through a series of reactions, copper will be precipitated and at the end of the cycle, these observations are used to verify the Law of Conservation of Mass. Precipitation reactions are reactions in which a solid or precipitate forms when two solutions are mixed. It involves the combination of soluble cations and anions to form a solid, insoluble compound that precipitates. Acid-base reactions occur when an acid reacts with a base and the two neutralize each other to produce water and a salt. Oxidation-reduction (redox) reactions are reactions in which electrons transfer from one reactant to the other. Decomposition reactions is a reaction in which a compound breaks down into one or more elements or new compounds.
How Does The Amount Of Baking Soda Mixed With Vinegar Affect The Volume Of Gas Produced?
1211 Words | 5 PagesHow does the amount of baking soda mixed with vinegar affect the volume of gas produced per 10 seconds? A reaction is when (usually) a solute acts on a solvent to create a reaction. An example of a reaction is an explosion, Here we will be using baking soda and vinegar which are our two components which will cause for a reaction to take place. Reactions can be affected by several things such as temperature, concentration and the presence or absence of a catalyst which is a substance which can increase the rate of reaction.
Reaction Lab
928 Words | 4 PagesThose include temperature, concentration of the reactants, surface area of the reactants, as well as the presence or the absence of a catalyst. In the following lab, the
Alka Seltzer Chemical Reaction
167 Words | 1 PagesAlka-Seltzer is something that when it gets put into water it has a chemical reaction because it starts to bubble up and when it starts to bubble up the bubbles are carbon dioxide gas. Chemical reactions start when matter is mixed with other matter, you can recognize new compounds by their color or by their acid levels or how a compound looks, feels, or how it acts. Substances create a solid compound. The chemical reaction also happens from more products and properties. They can have one or more products or properties.
Copper Cycle Lab Report
800 Words | 4 PagesIntroduction: The purpose of this experiment is to demonstrate the different types of chemical reactions, those including Copper. There are different types of chemical reactions. A double displacement reaction is a chemical process involving the exchange of bonds between two reacting chemical species. A a decomposition reaction is the separation of a chemical compound into elements or simpler compounds and the single-displacement reaction is a type of
Copper Recovery Lab Report
471 Words | 2 PagesThroughout the experiment, copper was altered a total of 5 times, but after the final chemical reaction, solid, elemental copper returned. Each time the solution changed color, a precipitate formed, or when gas appeared, indicated that a chemical reaction was occurring. For the first reaction, copper was added to nitric acid, forming the aqueous copper (II) nitrate (where the copper went), along with liquid water, and
Le Chatelier's Theory
800 Words | 4 PagesINTRODUCTION The concept of chemical equilibrium was developed after Berthollet (1803) found that some chemical reactions are reversible. For any reaction mixture to exist at equilibrium, the rates of the forward and backward (reverse) reactions are equal. In the following chemical equation with arrows pointing both ways to indicate equilibrium, A and B are reactant chemical species, S and T are product species, and α, β, σ, and τ are the stoichiometric coefficients of the respective reactants and products: α A + β B ⇌ σ S + τ T
Wittig Reaction Lab Report
1125 Words | 5 PagesThe Wittig reaction is valuable reaction. It has unique properties that allows for a carbon=carbon double bond to form from where a C=O double bond used to be located. Creating additional C=C double bonds is valuable due to its use in synthesis. The Wittig reaction will allow the synthesis of Stilbene (E and Z) from a Benzaldehyde (Ketcha, 141).
Baking Soda And Vinegar Lab Report
1613 Words | 7 PagesWhen a solute acts on a solvent a chemical reaction takes place. Here we will be using baking soda and vinegar which are our two components which will cause a chemical reaction. Reactions can be affected by several things such as temperature, concentration and the presence or absence of a catalyst which is a substance which can increase the rate of the reaction. To determine the rate of a reaction there are many methods that can be used.
Biochemical Test Lab Report
1371 Words | 6 PagesBiochemical tests are the tests used for the identification of bacterial species based on the differences in the biochemical activities of different bacteria. Bacterial physiology differs from one species to the other. These differences in carbohydrate metabolism, protein metabolism, fat metabolism, production of certain enzymes and ability to utilize a particular compound help them to be identified by the biochemical tests. Gram’s stain was originally devised by histologist Hans Christian Gram in 1884. Gram-positive bacteria stain purple, while Gram-negative bacteria stain pink when subjected to Gram staining.
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