{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

CHEM 1&2 Lab Manual & worksheets pg 64

CHEM 1&2 Lab Manual & worksheets pg 64 - 6...

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Experiment 3: Chemical Reactions General Chemistry I and II Lab Manual Dakota State University Page 64 of 232 2. Magnesium (Mg) and Oxygen (O 2 ) Get crucible tongs (NOT coated with rubber) and a watch glass ready. Light a Bunsen burner. Take observations on a SMALL piece of magnesium. Holding the magnesium with the tongs, ignite the magnesium in the flame. WARNING! Do NOT look directly at the burning magnesium! Once the reaction is complete, put the burnt magnesium into the watch glass and allow it to cool a few minutes. Take careful observations on the product. 3. Anhydrous Copper (II) Sulfate (CuSO 4 ) and Water Put a SMALL AMOUNT (about the size of a pea) of anhydrous copper (II) sulfate into a small test tube. Take careful observations on it. Add one drop of water to the copper (II) sulfate (just enough to wet it; not enough to cover it completely). Take observations on the final product. Decomposition Reactions: 1. Sucrose DEMONSTRATION ONLY In the fume hood, you will see table sugar (C
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 6 H 12 O 6 , also known as “sucrose”) and concentrated sulfuric acid (H 2 SO 4 ). Carefully take observations regarding these two reagents. Your poor underpaid and greatly misunderstood professor will pour sulfuric acid onto standard table sugar. Take careful observations as the reaction occurs. What is the “smoke” that is given off? (HINTS! First of all, sugars are often referred to as “carbohydrates”, because they all have the formula C n (H 2 O) n and sulfuric acid is a dehydrating agent.) What is the product left behind? Balance the equation. 2. Hydrogen Peroxide Take a SMALL AMOUNT of hydrogen peroxide (about half a milliliter) and put it into a SMALL test tube. Take careful observations. Be sure you have a glowing splint handy and a lit Bunsen burner nearby (to light the glowing splint). Add a SMALL AMOUNT of Manganese Dioxide (a catalyst). Quickly ignite and extinguish your glowing splint and test the gas given off. What is the gas? Balance the equation....
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern