QUESTION 9 Which K value indicates the greatest concentration of reactants at equilibr eq O a. 6.7 X 105 O b. 3.2 X 109 O c.1.4X 10-3 O d. 3.2 x 107
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A: 3) H2AsO4^-(aq)⇌AsO4^3-(aq)+2H^+(aq) Rxn(3)= Rxn(1) - Rxn(2) K3 = K1/K2 = 3.0×10-13/1.8×107 = 1.7…
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- 4. Write the velocity equations for the following reactions: a. cyclopropane - propene where the velocity is in direct proportion to the concentration of cyclopropane; b 2HI(g)-H2(g)+I2(g)where the velocity is in direct proportion to the square of the hydrogen iodine concentration8-10. Give at least three ways in which rate of a chemical reaction can be increased.Final Volume Volume of O, Collected Temperature of Tap Water (°C) Room (or regional) Pressure (atm) of Air (mL) Initial of Air Volume (after reaction) (Final Volume - (mL) 45 Initial Volume) 48 °C 750 17 45-17 = 28 Table 3: Reaction Time Data Time Reaction Time Reaction Total Reaction Time Started Ended 0.00 13.00 13.00 ost-Lab Questions 1. Using the Ideal Gas Law (PV = DRI), calculate the grams of O2 produced in the reaction. Show your work and follow the steps below. %3D a. If you pressure is not yet in atm, convert it to atm using the appropriate conversion factor. b. Convert the volume of oxygen collected from ml to L. c. Convert the temperature of the water from °C to K. d. Plug in P, V, R (gas constant), and T to the ideal gas law and solve for n, which is moles of oxygen gas. е. Use the moles of oxygen gas found and the molar mass of O2 to calculate the grams of oxygen produced using dimensional analysis.
- 11) Explain fully using the collision theory. How the rate of reaction will change due to the partial evaporation of the solvent from the first reagent, before the addition of the second reagent? CCALE of 66001 ClasChrome File Edit View History Bookmarks Profiles Tab Window Help Purple/Black Iridescent- KPM X G wilmington postal code - Goo X O Dealers - Nic www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IvdWKW_BBZZ161 O CHEMICAL REACTIONS Predicting precipitation Complete the table below by deciding whether a precipitate forms when aqueous formula in the last column. Does a precipitate form when A and B empirical formula of solution A solution B precipitate are mixed? iron(II) chloride potassium hydroxide O yes no iron(II) iodide cadmium acetate O yes O no barium nitrate potassium acetate O yes O no8 Reactions between certain organic (alkyl) halides and water produce alcohols. Consider the overall reaction for t-butyl bromide (2-bromo-2-methylpropane). (CH3)3CBr(aq) + H2O(1) →(CH3)3COH(aq) + H*(aq) + Br "(ag) k[(CH3)3CB1]. The accepted mechanism for the The experimental rate law is rate = %3D reaction is shown below. (1) (CH3)3C-Br(aq) →(CH3)3C*(aq) + Br "(aq) [slow] (2) (CH3)3C*(aq) + H2O(1) →(CH3)3C-OH2*(aq) [fast] (3) (CH3)3C-OH2*(aq) →H*(aq) + (CH3)3C-OH(aq) [fast] a) Why doesn't H2O appear in the rate law? b) Write rate laws for the elementary steps. c) What intermediates appear in the mechanism? d) Show that the mechanism is consistent with the experimental rate law. ed to the of consumption of N
- X app.101edu.co # 3 E UL Week 7: Panopto DII 0 F3 $ R F4 X UL LTU 7-1A Identify the best conditions to complete the SN2 reaction shown below. H % 5 T N3 گیا QL FS A 6 Y Question 18 of 24 40 X F6 & 7 C|Chegg.com U F7 8 A) CH3I, THF B) NaCN, DMSO C) NaN3, ethylamine D) KI, THF X + E) NaN3, DMF PrtScn FB Home ( 9 F9 O ) End 0 & 3 ENG F10 P PgUp - F11 Tp S <10) 1 PgDn D + 6:16 PM 10/18/2022 F12Data Sheet Factors Affecting Reaction Rate, Chemical Equilibrium and Le Chatelier's Principle 1. Factors Affecting Reaction rate 1A. Effect of Reactant Concentration Test |Concentration Observation Initial Final Total Tube # of HCI Time Time Time Slow evolution of O sec 17 min 1 1.0 M colorless gas, Fast evolution of colorless 0 sec 5 sec 4 min 2.0 M 38 sec gas Very fast evolution of colorless gas 1 min 20 sec O sec 3 3.0 M Arrange the test tubes #s in the order of slowest to fastest rate 2.In the reaction X(p, a) PC, Xis. O N o o No O "N
- Using the reaction and data in the table below answer the following series of questions. CH3OH(aq) + HCl(aq) ----> CH3Cl(aq) + H2O(I) Reaction CH3OH conc. HCl conc. Initial Rate (M/s) 1 0.100 M 0.100 M 1.1 x 10-2 2 0.200 M 0.100 M 2.3 x 10-2 3 0.100 M 0.200 M 1.1 x 10-2 *conc = concentration a. The reaction is order in regards to CH3OH. b. The reaction is order in regards to HCl.rgli E Thon E Thon O Black A Class E Thon M Robir E Thon O docs E Pass P NCC IMod 4 OnCo Marc New Tab a docs.google.com/document/d/1M9PBISNVIH46PWHH-cu31SzjsC5EnWVBiW2sabPHSRM/edit S E Thomas Williams nemical Reactions - Interactive read ☆ D @ Edit View Insert Format Tools Add-ons Help Last edit was yesterd... Normal text BIUA Fit Merriweath... 12 ... 2 3 4 3. Apply Concepts: Identify whether or not each of the following is a chemical reaction. Explain your answers. a. melting ice b. burning a candle c. rusting iron Answer here:A learning.mheducation.com Types of Reactions assignment and quiz F. Question Mode: Multiple Select Question Explain the different types of chemical react... https://moodle.coastal.edu/pluginfile.php/106... https://moodle.coastal.edu/pluginfile.php/106... Exit Assignment X Mc Graw Hill 13 of 36 Concepts completed i Multiple Select Question Select all that apply LI Which of the following reactions are expected to occur as written, with Ba reference to the activity series for metals (shown)? Select all that apply. Ca O Cu (s) + 2HCI (aq) → CuCl2 (aq) + H2 (g) Na Mg Mg (s) + Co(NO3)2 (aq) → Co (s) + Mg(NO3)2 (aq) Al Mn O Pb (s) + 2HCI (aq) → PbCl2 (s) + H2 (g) Zn Cr O 3Ag (s) + Fe(NO3)3 (aq) → 3ÄGNO3 (aq) + Fe (s) Fe NI Sn Pb H2 Cu Hg Ag Au Copyright O McGraw-Hll Education EText Alternative Need help? Review these concept resources. E Reading Rate your confidence to submit your answer. High Medium Low O2021 McGraw-Hill Education. All Rights Reserved. Privacy Terms of Use 80 888 DII DD F10…