Name: CH 103 – Introduction to Inorganic and Organic Chemistry Exp. 14 - Solutions and Solubility INSTRUCTIONS 1. Print out these instructions and the report sheet. 2. Read the Background/Introduction section of the lab manual. 3. Watch the video attached under experiment. The video is just for example only. It doesn't match our experiment exactly. 4. Study the report sheet below and answer the three questions attached. REPORT SHEET Electrical Conductivity Solute Observation Solute Observation Distilled Water 0.1 M sucrose 1 М НC Tap Water 1 M NaCl 1 0.1 M HCI 4 0.1 M NaCl Glacial Acetic Acid 1M sucrose 0.1 M Acetic Acid Solubility Solvent Solute Water Ethanol Acetone NaCl SS SS Sugar Napthalene SS SUPPLEMENTARY QUESTIONS 1. Why is naphthalene more soluble in acetone than in water? 2. Why does HCL make the light bulb glow brighter than acetic acid of the same concentration? 3. A solute and a solvent are mixed together. How could you predict if the two items would form a solution?
Electronic Effects
The effect of electrons that are located in the chemical bonds within the atoms of the molecule is termed an electronic effect. The electronic effect is also explained as the effect through which the reactivity of the compound in one portion is controlled by the electron repulsion or attraction producing in another portion of the molecule.
Drawing Resonance Forms
In organic chemistry, resonance may be a mental exercise that illustrates the delocalization of electrons inside molecules within the valence bond theory of octet bonding. It entails creating several Lewis structures that, when combined, reflect the molecule's entire electronic structure. One Lewis diagram cannot explain the bonding (lone pair, double bond, octet) elaborately. A hybrid describes a combination of possible resonance structures that represents the entire delocalization of electrons within the molecule.
Using Molecular Structure To Predict Equilibrium
Equilibrium does not always imply an equal presence of reactants and products. This signifies that the reaction reaches a point when reactant and product quantities remain constant as the rate of forward and backward reaction is the same. Molecular structures of various compounds can help in predicting equilibrium.
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