6. Place 1 mL (20 drops) of 0.1 M HCI into a 50 mL beaker. Add 10 mL of water and 2 drops of phenolphthalein and then carefully add 0.1 M NaOH until the solution turns light pink. This is the last reaction! Do NOT forget to put it in your notebook, etc. Do NOT use the 1.0 M HCI here! Observations of the reactants: HCI and NaOH Reaction observations: It took drops of NaOH to reach a pink color. Net ionic reaction: (add the correct charges and balance equation if needed.) HO (aq) + ОНО (аq) H,O O Which type of reaction is this? (Single Replacement, Double Replacement, or Acid-Base Neutralization) Reaction: Questions 1) Assuming that in Procedure 6 we added equal numbers of moles of the reactants, what substance would be in the beaker if we evaporated it to dryness?
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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For this experiment, the reactants used are hydrochloric acid and sodium hydroxide.
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