But, chemistry is not just information. Refer to Technique 2 in the front portion of your lab manual. 2553 words (10 pages) Essay. Again, the formula for copper was simply Cu but became CuO, CuCO 3, CuSO 4, and various other compounds due to chemical change. Depending on the method many chemical or physical properties can be used. The functional groups present in a molecule help to determine many of the compound's chemical properties. This is not an example of the work produced by our Essay Writing Service. Experiment 2 – Identification of a Compound (Chemical Properties) Pre-Lab Hints 1. a. That is also a chemical reaction. slight!“salty”!odoraccordingtoourGeneral!Physical!Propertiesdescription. Criterion means how you test to be sure that the glassware is clean. Discussion!andScientific!Explanations!! The goal of this lab is for you to discover some of the properties of ionic compounds. The!unknown!compound!obtained!was!composed!of!white!crystals!and!contained!a! Examples: spectra of emission, color of ions in solution, formation of some precipitates, melting point, density, etc. SolubilityTests) The way in which a compound reacts with water to produce some other compound is an example of a chemical property. In your classroom work in chemistry, you will learn a great deal of the information that has been gathered by scientists about matter. Boiling an egg is an example of that. Quantitative!Analysis! (5 min) 6. b. You can view samples of our professional work here. !! Clean up all lab equipment and materials and properly dispose of all materials as directed in the lab. Qualitative organic analysis is an important part of organic chemistry. 4. Read the bottom paragraph, as well as the caption for Fig T.2b. 8th Dec 2017 Chemistry Reference this Disclaimer: This work has been submitted by a university student. Lab Experiment to Identify Unknown Compound. To observe the chemical properties of a compound requires that we change the chemical composition in some way. Sometimes there is no obvious change to a formula, but bonds within the substance are broken and the substance takes on a different shape which doesn't reverse back to its original shape. Laboratory Manual Chemistry: Matter and Change vii How to Use This Laboratory Manual Chemistry is the science of matter, its properties, and changes. Laboratory experiment #2- Upon finishing the experimental tests for Unknowns A, B, and C, students will then test unknown D. (5 min) 5. LAB: PROPERTIES OF IONIC COMPOUNDS (50pts) Introduction. CHM230 Identification of Unknowns Lab *Adapted from Introduction to Organic Laboratory ... of the compound in question with that of a previously described compound of known structure or else to determine from the beginning the structure of the unknown. Chemistry 1011 Lab 11: Identification, Properties, and Synthesis of an Unknown Ionic Compound Page 2! The physical properties of a substance such as flame color, crystal structure, solubility, conductivity and melting point of a substance tell us a lot about the type of bonding in a compound.

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