The reaction between ethyl iodide and hydroxide ion in ethanol (C2H5OH) solution,
C2H5OH) solution, C2H5I (alc)+OH-(alc)→C2H5OH(l)+I-(alc), has an activation energy of 86.8kJ/ mol and a frequency factor of 2.10X1011 M-1S-1. (a) Predict the rate constant for the reaction at 350C. (b) A solution of KOH in ethanol is made up by dissolving 0.335 g KOH in ethanol to form 250.0 ml of solution. Similarly, 1.453 g of C2H5I is dissolved in ethanol to form 250. ml of solution, Equal volumes of the two solutions are mixed. Assuming the reacting is first order in each reactant, what is the initial rate at 350C? (c) Which reagent in the reaction is limiting, assuming the reaction proceeds to completion? (d) Assuming the frequency factor and activation energy do not change as a function of temperature, calculate the rate constant for the reaction at 500C.
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Chapter 14 Solutions
MAST F/ CHEM: THE CENTRAL SCI CODE ALON
- Problem 3-42 Consider 2-methylbutane (isopentane). Sighting along the C2-C3 bond: (a) Draw a Newman projection of the most stable conformation. (b) Draw a Newman projection of the least stable conformation. Problem 3-44 Construct a qualitative potential-energy diagram for rotation about the C-C bond of 1,2-dibromoethane. Which conformation would you expect to be most stable? Label the anti and gauche conformations of 1,2- dibromoethane. Problem 3-45 Which conformation of 1,2-dibromoethane (Problem 3-44) would you expect to have the largest dipole moment? The observed dipole moment of 1,2-dibromoethane is µ = 1.0 D. What does this tell you about the actual conformation of the molecule?arrow_forwardGas Law Studies 1. Mass of zinc Determination of 0.899 2) Moles of zinc 0.01361 mol 3.) Moles of hydrogen 00? ← I was told to calculate this number from mole of zinc. 350m So does that mean it will be 0.01361 mol too? 4 Volume of water collected (mL) 5) VL of water collected (Liters) 0.350 L 6) Temp of water collected (°C) 7) Temp of water collected (°K) 8) Atmospheric pressure (mm) 9) Vapor pressure of water (mm) 10) Corrected pressure of hydrogen 20% 29°C 764.0mm Hg (mm) 17.5mm 11) Corrected pressure of hydrogen (atm) 12) Experimentally calculated value of 19 13. Literature value of R 14) % Error 15) Suggest reasons for the % error (#14)arrow_forwardNo wedge or dashes. Do proper structure. Provide steps and explanation.arrow_forward
- 10 Question (1 point) Draw curved arrow notation to indicate the proton transfer between NaOH and CH3CO₂H. 2nd attempt :0- H See Periodic Table See Hint Draw the products of the proton transfer reaction. Don't add a + sign between the products.arrow_forwardProvide steps and explanation please.arrow_forwardProvide steps to name and label for understanding.arrow_forward
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