The desorption of a single molecular layer of 1ebutane from a single crystal of aluminum oxide was found to be first order with a rate constant of 0.128/sat 150 K • Part A What is the half-life of the desorption reaction? ν ΑΣΦ t1/2 Submit Request Answer • Part B If the surface is initially completely covered with 1ebutane at 150 , how long will it take for 25% of the molecules to desorb? Express your answer using two significant figures. 1να ΑΣφ Submit Request Answer Part C For 50% to desorb? Express your answer using two significant figures. ν ΑΣφ Submit Request Answer • Part D If the surface is initially completely covered, what fraction will remain covered after 14 s? Express your answer using two significant figures. ΠΥΠ ΑΣφ O 8) ? Submit Request Answer • Part E After 20 s? Express your answer using two significant figures. ΠΠ ΑΣφ O FI ? Submit Request Answer Provide Feedback
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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