DemoLab.docx - Chemistry Demo Lab Kenneth M Colón CHM-1025c Instructor Dr Daeri Tenery Octobe 3rd 2019 Experiment 1 Decomposition 1 Record the total

DemoLab.docx - Chemistry Demo Lab Kenneth M Colón...

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Chemistry Demo Lab Kenneth M. Colón CHM-1025c Instructor: Dr. Daeri Tenery Octobe 3 rd , 2019 Experiment 1: Decomposition 1. Record the total mass of the crucible and its contents: Crucible = 88.000g Copper(II) Carbonate Hydroxide Hydrate = 5.000g Copper in crucible = 93.000g 2. What is the color of the crucible’s contents? Vibrant green 3. What happens after heating the crucible’s contents? After heating the copper inside the crucible, the content turned black 4. Record the mass of the crucible and its contents after heating: After heating the mass was 91.327g Experiment 2: Single Displacement 1. After connecting the thermometer to the Erlenmeyer flask, what is the temperature reading? The 15mL of 6 M HCI was 21.5C 2. After connecting the pressure gauge to the Erlenmeyer flask, what is the pressure reading? The pressure is 1.00atm 3. After adding 0.25 g of Zinc (Zn) to the Erlenmeyer flask, record any indication that a reaction has
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Unformatted text preview: occurred. If the temperature and the pressure change, record the new temperature and pressure. The temperature and pressure increased to 26.5C and 1.72atm. 4. Record the volume of the gas collected in the syringe: The syringe collected 92.2mL of gas Experiment 3: Double Displacement 1. What color is the nickel (II) chloride (NiCl2) solution? The nickel solution came out a vibrant green color (The 1 M Sodium Hydroxide solution a cloudy grey color) 2. Record any observations after pouring the entire contents of one beaker into the other. After pouring the entirety of the contents to one beaker, the solution stayed green but after pouring the content into the other beaker a green ball like object was left b ehind....
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