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here is the questions The Equilibrium Reaction to Form Ethyl Ethanoate at 20°C Initial Initial Equilibrium...
Chem experiment: Data: initial burette reading(ml): final burette reading: volume titrant added: trial 1: 32.00ml 48.0ml 16ml trial 2: 32.00ml 43.8ml 11.8ml trial 3: 34.00ml 43.9ml 9.9ml the volume of HCl (titrant) was == 1.26 mili-moles Complete the following ICE tables and use them to calculate the value of Ksp for all three trials. The initial concentrations of Ca2+ and OH– refer to the concentrations before any of the solid dissolved (i.e.when the solutions were originally made), and can therefore...
a. Using the initial concentration of CH,COOH (from Problem 3) and the equilibrium concentration of H,0 calculated (from Problem 4), complete the reaction table for vinegar. Ignore the column under H:O() (shaded in gray). Don't forget to write a sign (+ or -) for the "Change” row entry. (9 pts: each entry is 1 pt.) Reaction Table CH.COOH (aq) + H20(0) CH,COO (aq) + H2O (ag) Initial Change Equilibrium b. By using the concentration values at equilibrium in the reaction...
4.2 Behavior of Gases Students will perform a simple reaction between NaHCO,+CH,COOH, or commonly known as baking soda and vinegar. In the pre-lab, students determine the moles of CO, by using the ideal gas law, PV=ORT where: P= Pressure (atm) V=Volume (lters...) n = moles (mol) T = Temperature (kelvin) R-Gas constant (atm:Imol:K) Students used STP, standard temperature and pressure, to determine their temperatures and pressure for this experiment. At STP, T = 273 K, and P 1 atm. Solve...
Calculate the standard free-energy change and the equilibrium constant Kc for the following reaction at 25°C. See Appendix C for data. Fe(s) + Cu2+ (aq) = Fe2+ (aq) + Cu(s) Find equilibrium constan + K at 25°C Appendix C Thermodynamic Quantities for Substances and Ions at 25°C Substance or lon AH; (kJ/mol) AG; (kJ/mol (J/mol-K) 20.87 Substance or lon Ba(OH),(s) ΔΗ: (kJ/mol) -946.3 --3342.2 AG (kJ/mol) -859.3 -2793 (J/mol K) 107.1 427 Ba(OH), 8H,O(s) BaSO (8) - 1473.2 -1362.3 132.2...
Please use part C data to solve question 1. The theoretical value is -57.3kJ/mol to compare answer to. Calorimeter constant is 22.1J/gC PART C Data Analysis: 1. Calculate the heat of neutralization (AH.eu) for each trial 2. Calculate the average, standard deviation, and relative percent standard deviation for your three trials 3. Calculate the percent error based on your average and the theoretical value given in your data set. Data Trial 3 45.120 g 105.687 g Trial 1 Trial 2...