(16 points) For Completed Table and Low %error values M Cell Path Length, b (experimental: Beer's Law) Prepared Solution M Constant, (theoretical/ ε (dm³/mol calculated) cm) (cm) AII. Cu(CH3COO)2 2.06 M 5.97 1.0 2 x 10^-5 M BII. KMnO4 2.098 x 103 1.0 Difference in M CI. K2CrO4 0.442 M 277.2 1.0 Percent Error in M
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- Com X Bb Mas X Mas X Hom X K! Kahx Exan X K! Kah X Mitc X КI Kah X K Kah x K! Kah x Kah x K Kahx C session.masteringchemistry.com/myct/itemView?assignmentProblemID=134214560 Apps New Tab Effect of Salinity on... Sleep Disorders | M... P Philo American Journal ... Zeeshan JBAS Ic Wait for Next Quest... oramge juice Effect cWas the gradual color change observed when the sodium thiosulfate (Na2S2O3) crystal was added to the aqueous solution of KI/12 in Station Cevidence of a chemical or physical change?SPORKFORAI j Assignments | Mic 9 template Microsof Help and O X O File | C:/Users/smsaj/Downloads/30.1%20Limiting%20Reactants%20worksheet%20(1).pdf Update E Apps G Google Bangladesh Newsp.. O IST ChY - Prothom... y! Yahoo! Online Math Help.. 3 My Ooma - Login Phonogram Page NoNoh | Buy credit.. y! BTU: Summary for P.. G Google Other bookmarks >> template 1 / 3 89% + 1. Write the balanced equation for the reaction between hydrogen and oxygen. Balanced Equation: Suppose that 4 molecules of hydrogen gas and 4 molecules of oxygen gas react to form water. Make a drawing that represents the reaction container before and after the reaction. Before After How many molecules of water can be produced? Which reactant is in excess? Why? How many molecules of excess reactant are there? Construct a Before-Change-After Table for this reactant mixture: Bal. Equation: Before: Change: After: According to the table you just made, How many molecules of water can be produced? Which reactant is in excess?…5. If Cv.m (7/2)nR, what is y (where y = CP,m/Cv,m)? = (a) 7/8 (b) 4 (c) 9/7 (d) 7/4Data Mass of unknown metal Cark te ?l.005g Volume of uniknown solotion CmL) Volume of HCI added Inital burct readinglmL) Final buret reading (mL) 20.00ML (mL) 15.00mL 20.SSmL 30.90ML Volume Na OH delivered (m L) Concentration of HCI: O.1708M Concentrahon of NaOH: O.1000M * Pipetted 10.35mL 20.00mL Of solution prepared in 250.0 mL volumetric flask Questions', 1. Calalate the number of moles of Na OH used for back titration? 2. Calculate the number of moles moles of metal carbonate present in 20.00mL portion of the metal Carborate soltion? 3. Calculate molar masS of 3.Calculate in knon metal carbongteks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IQUHIQg6bJxmeSyVpHOEB1plef9xyC5Ca9Q15ULF571w. A to ©T GI O STATES OF MATTER Finding mass or volume from percent concentration 0/5 Ma Lidocaine, a widely used local anesthetic, is available as a 0.50 %(w/v) solution for injection. Calculate the volume of this solution that contains 90. mg of lidocaine. Be sure your answer has a unit Symbol and is rounded to the correct number of significant digits. X10 Explanation Check O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibility Insert Delete F12 PriScr F10 F11 F9A chemist obtained the following data for percent lindane in the triplicate analysis of an insecticide preparation: 7.23, 6.95, and 7.53. Calculate the 95% confidence interval for the mean of the three data, assuming the following criteria. (a) the only information about the precision of the method is the precision for the three data Confidence interval = ± % lindane (b) on the basis of long experience with the method, it is believed that s --> o = 0.26% lindane Confidence interval = ± % lindanePropagate the error in the following expression:(0.5847(±0.0002)mole / 250.0(0.1)??) ×(1000 ml / 1 L)(c) 1. THF H2C CEN 7. 2. H30* N(CH312 (d) 1. THF N' 2. H3O* 2016 Cmn Laungersion xxam e... /myct/itemView?assignmentProblemID=191818234 ent the basis ween and e of or S d ror f5 % 5 X ▸ Part A Final Exam America.... TN Free Tracing Letter... Letter A | Workshee... Submit Part B Part C 16 Solving Chemical Problems G| ΑΣΦ 3 10 A In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 28.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe? Use the following conversions: 1 km = 0.6214 mi and 1 gal = 3.78] Express your answer numerically in liters. ► View Available Hint(s) 6 4- & C hp 7 X f8 a + MasteringChemistry: Homework x * ? 8 L Order 3094227- Es... fg 9 h fio ) fi O Review | Constants | Periodic Table f12 + O 6 of 10 ins = M 1:13 PM 8/16/2022 prt sc > del backsPosh x G hip hc x How x leks.com/alekscgi/x/isl.exe/1o_u-IgNslkr7j8P3jH-lvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInbMe2DNd12k5prizs0f2Tuz6MF2usVf2_c... Q 0 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po.... Ya SOLUTION: The le... Math 115 W-S Fall.... h. Gibbs Free E... 0,452 E CO 2 5.3 Enthalpies of... W ●ENTROPY AND FREE ENERGY Calculating dG from dH and dS S A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a reaction vessel with some mixture of the reactants and products at a constant temperature of 53.0 °C and constant total pressure. Then, he measures the reaction enthalpy AH and reaction entropy AS of the first reaction, and the reaction enthalpy AH and reaction free energy AG of the second reaction. The results of his measurements are shown in the table. Complete the table. That is, calculate AG for the first reaction and AS for the second. (Round your answer to zero decimal places.) Then, decide whether, under the conditions…DL IXL - Area and circur X E Hamilton w K Maya Paniagua - Sto x K Maya Paniagua - L10 X Stoichiometry Introd x amihq.com/web/viewer.html?state=%7B"ids"%3A%5B"1Jb_fUymErbX45jcXDbRuMhdNQC9zAIBE"%5D%2C*action"%3. Paniagua - Cl. 115% e A Kami Uploads Maya Paniagua - Stoichiometry WS1.pdf Chemistry Stoichiometry WS #1 Show all work!! No work = no credit! Per Date Name Mole to Mole Stoichiometry 1) For the reaction between magnesium fluoride and lead (IV) nitrate, there are 12 mol of magnesium fluoride available: a. Write and balance the chemical equation, indicate the type of reaction b. Find the mole amount of each species in the chemical reaction c. How many moles of the solid precipitate are formed?SEE MORE QUESTIONS