Calculate AH for the target reaction, using the equations below 2CH2CI2() + 2H2g) + 302e) > Target: 2COCl2ig) + 4H2O1) AH®rotal = ? Given: 1. COC22®) + H2Om > CH2CI20) + O2g) AH°1 = +42.0 kJ %3D %H2i8) + %Clze) > HClg) 8HCle) + 202le) 2. AH°2 = -207.0kJ %3D 4H2O + 4Clzg) → AH°3 = -378.0 ki 3.

Calculate AH for the target reaction, using the equations below 2CH2CI2() + 2H2g) + 302e) > Target: 2COCl2ig) + 4H2O1) AH®rotal = ? Given: 1. COC22®) + H2Om > CH2CI20) + O2g) AH°1 = +42.0 kJ %3D %H2i8) + %Clze) > HClg) 8HCle) + 202le) 2. AH°2 = -207.0kJ %3D 4H2O + 4Clzg) → AH°3 = -378.0 ki 3.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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True or False: 1. The initial concentration of an intermediate is assumed as 0 when using steady-state approximation. 2. A spontaneous reaction with ΔG = -1070 J/mol happens at 562 K, the Keq of this process is less than 1.
6) Draw an energy profile diagram with AH = -10 kJ and E₂ (Activation Energy) = +25 kJ. Label: reactants, products, transition state, and values on the y-axis to verify the values of AH and E. - 101 Frient of praction
9) The temperature dependence of the rate constant for a re- action is tabulated as follows: Temperature (K) k (Ms) 600 0.028 650 0.22 700 1.3 750 6.0 800 23 Calculate Ea and A.
In the reactions below, there is a main reaction step followed by one or more workup steps (which aced). Briefly explain the purpose of the bold-faced workup step in both cases, based on your e carrying out this reaction (or a similar reaction) in the lab. (MTBE= methyl tert-butyl ether) но excess CH;CO,H CO,H 2. H20, heat co,H By means of an equation explain briefly what the purpose of step 2 in the work-up (shown in bold- face) was in the synthesis of aspirin. он 1. NaOCI (bleach) CH,CN/CH;CO2H 2. extract with MTBE H3CO" H,CO b) 3. Wash the MTBE extract with aq. K,Co, 4. Wash the MTBE layer with sat. NaCl soln. 5. dry over MgSO4, and rotovap MTBE Explain what the purpose of Step 3 (shown in bold-face) was in the work-up.
Consider the following hypothetical molecular collisions and predict which of the following will form potential products, given the values for the energy of activation, Ea, and enthalpy of the reaction, AH, in combination with the molecular orientation. Check all that apply. ► View Available Hint(s) 0 C16 FF E₂ = 0.59 kJ, AH=-1.28 kJ E-0, AH +1.28 kJ E₁ = 2.48 kJ, AH=-5.98 kJ E = 6.36 kJ, AH=-3.58 kJ E₂=7.55 kJ, AH=+9.56 kJ E₂-4.58 kJ, AH=+5.38 kJ
دا ← | E 16- ارد و G O CHEMICAL REACTIONS Predicting the products of dissolution FE FAX | | = 1 2 1 0 1 | 2 | 3 | 2 | 2 | H 2 H I H | H H I H I * * * * e https://wwww-awwu.alelks.com/alekscgi/x/isl.exe/1o_u-lgNslkr7j8P3jH-IBMBkpcnaFuOF7Vj... A 53°F Cloudy The names and chemical formulae of some chemical compounds are written in the first two columns of the table below. Each compound is soluble in water. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. Then, write down in the third column of the table the chemical formula of the major chemical species that will be present in this solution. For example, you know water itself will be present, so you can begin each list with the chemical formula for water (H₂O). Note: "major" chemical species are those present in concentrations greater than 10 mol/L. major species present when dissolved in water 0 0 compound glycerol copper(11) lodide Explanation 7 A methanol 2 2 W formula alt CHO CH, OH Cul, Check 3 H…
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