-3.0 160 4.0 3.5 140 N +3.5 3.0 120 2.5 140 100 3 2.0 80 60 Z 10 40 05 20 Times 10 Tes Time is 10 Of all the graphs shown above, what plot type is correctly represented? O second order Ono plot shown is valid O 1st order 3rd order w l'o'NI
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- CHM 431A Lab 7 - 2021SP Given Data page Time Temperatu (min) C1. Boiling temp of water re (°C ) 25.4 Initial temperature of water 1 32,5 Temperature of boiling water 44.9 3 56.9 C2. Temperature change (AT) 4 71.3 Mass of beaker 86.6 6 100.2 Mass of beaker and water 100.6 C3. Mass of water 8 100.6 9 100.6 Number of calories needed to heat your water to the boiling point: Heat (cal) = mass (g) x AT (°C) x 1.00 cal/g°C Show work Print out the graph paper, do the graph in pencil. Graph Time and Temperature relation of heating the water. Take a screen shot and submit your graph as attached file named Lab 7 pg. 4For A⟶products, time and concentration data were collected and plotted as shown. [?] (?) t (s) 0.6000.600 00.000.0 0.4840.484 30.030.0 0.4050.405 60.060.0 0.3490.349 90.090.0 order = k = units =CHM 431A Lab 7- 2021SP Given Data page Time Temperatu (min) C1. Boiling temp of water re (°C) 25.4 Initial temperature of water 32.5 Temperature of boiling water 44.9 3. 56.9 C2. Temperature change (AT) 4. 71.3 Mass of beaker 5. 86.6 100.2 Mass of beaker and water 7. 100.6 C3. Mass of water 8. 100.6 100.6 1. 2) 6.
- ygen nitial appearance of Mg Shiny lisht Sroy ribbonot mekal 2. Evidence of chemical reaction Hea t and lightenergyduc 1. froduced white ash prod- u ced 3. Balance: Mg(s) + 02(g) - MgO(s) 4. Type of chemical reaction: combination B. Zinc and Copper(II) Sulfate Time CUSO4(aq) Zn(s) Appearance Evidence of a Appearance Chemical Reaction Glue/9ren Oull&vy 1. initial 2. after ७ \०ch " Black change incolor 30 min Zn(s)+ CuSO4(aq) Cu(s)+ ZNSO4(aq) Type of chemical reaction: SInglereplacement - Reactions of Metals and HCI 2. Evidence of a Chemical Reaction Metal 1. Appearance of Metals Gray, shiny pebblehormationorbubblina Nochange Zn(s) orangeshinyshrips ॥ht eroडs HO Cu(s) িত Formaiono Mg(s) ight gray.shinysr bubbles hearpicuRChrome File Edit View History Bookmarks People Tab Window Help 78% O Thu 10:02 PM A ALEKS - Jacqueline Hoppenrey x A www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IQİHQRDYV_6Ux63SypJXz0Coxvwqgg4JkWI7XM99oekXTcojkLT31OZqp4772m0XOsdozQ5qMD3aRdEyOGQe33sgOsaJ. O GASES Calculating partial pressure in a gas mixture Jacqueline A 5.00 L tank at 7.37 °C is filled with 18.2 g of chlorine pentafluoride gas and 3.28 g of boron trifluoride gas. You can assume both gases behave as ideal gases under these conditions. Calculate the mole fraction and partial pressure of each gas, and the total pressure in the tank. Round each of your answers to 3 significant digits. 圖 mole fraction: chlorine pentafluoride partial pressure: | atm mole fraction: boron trifluoride partial pressure: | atm Total pressure in tank: | atm Explanation Check O2021 McGraw-Hill Education All Rights Reserved Terms of Use Privacy Accessibility MacBook Air 山回X 1. VitalSource Bookshelf - SDSU-2 x Pearson MyLab and Mastering x → C Mail Classes Problem 4.87 Part A session.masteringchemistry.com/myct/itemView?assignment Campus Student Campus Student Warner School Dist... AR DZL D2L RamseyClassroom... D2L Juveline HOMEWORK Mastering Chemistry #4 (Ch. 4); due 11:59pm February 12 (Sunday) H MasteringChemistry: HOMEWOF X Draw the structural formulas for two compounds having the molecular formula C₂H4O. (Hint: there is one double bond.) Draw the molecules by placing atoms on the grid and connecting them with bonds. D0 of H ProblemID=199769495 ? 0 O B De 0 Il
- 7 8 VNICH a12 11 VIA COHA CONHOH a. 1.009E-05 C. Construct the Gran plot. What is the value of the slope (to nearest 3 decimal a. 4.061E-04 b. 5.031E-04 20.00 25.00 30.00 40.00 1.000E-05 -1.009E-05 d. -1.099E-05 -1.000E-05 Obtain the value of intercept. a. b. C. 6.281E-03 d. 2.895E-05 e. 3.031E-03 What is the value of R2 ? e. 0.9999 d. 0.9989 0.9996 a. 1.0001 d. 1.0000 Clear my choice 50.00 0.1000 0.1000 pH 4.82 5.00 5.18 5.60 1.099E-05 1.099E-05 What is the value of acid dissociation constant Ka? 1.000E-05 1.009E-05 [H₂O*]V NAOHn 1. Record da Table 1. Data for time and temperature. Note that the gray areas are where the experimental data is recorded. The other columns are calculated. Exp 1 2 3 Time Seconds 1/time 151.8 0.0066 S 50s 126.6 S In (1/time) (Will be negative) -5.02 -3.91 0.02 0.0079 -4.84 °C K 40 1/K (will be small) 16.5 289.65 0.0035 313.15 0.0032 26 299.15 0.0033 2. Use the data on Table 1 to construct a linear y versus x graph of In(1/time) versus 1/temperature(K) in Excel. The graph should have a title that indicates it is a plot of data for the linear form of the Arrhenius equation. Each axis should have a named quantity label and x-axis should additionally have a unit label. Attach to this graph to the report page. 3. State the slope(with correct units and sign) of the line on the graph constructed in #2 4. Use the stated slope in #3 to determine the energy of activation in kilojoules per mol. Show your work. 5. Using the trendline equation for your graph, predict the time that the reaction…Egwuekwe-Ou x * Office Editing for Docs, Sheets & Slides| chrome-extension://bpmcpldpdmajfigpchkicefoigmkfalc/views/app.html aboutblank ALL2022 (1).doc Format Tools Help ~ HQ Q Normal Unsaved change 12 M HCI should we use? a. 3 L b. 1 L c. 2 L Edits will not be automatically saved. Times New ... e 28. 4 M solution of NaOH means a. 4 moles of NaOH in 1 L b. 4 grams of NaOH in 1L c. 4 moles of NaOH in 100 mls about:blank 31. What is a catalyst? 27. We have 12 M HCl and need 2 L of 6 M HCl. How many Liters of 30. Equilibrium is the state in which 12 ▾ X W FINALFALL2022 (1).doc Save now BIU A A 29. A gas mixture of N₂, O₂ and He exerts a total pressure of 1 atmosphere. N₂ exerts a pressure of 0.2 atmospheres. O₂ exerts a pressure of 0.5 atmospheres. What is the pressure of He? a. The rate of the forward reaction is greater than the reverse reaction. b. The rate of the reverse reaction is greater than the forward reaction. c. The rate of the forward reaction and reverse reaction are equal.…
- W Practice 4 - CHEM 1201 co Course: 2020 Spring CHEM b My Questions | bartleby A https://www.webassign.net/web/Student/Assignment-Responses/randomize?pos=0&dep=22671454&tags=autosave#question359495_0 ... TurmuJIgmmy you JuDTunoweTay qucJuon. TUuurc Chapters 9 & 10 required to use a new randomization after every 1 question submissions. O Description Assignment Scoring Your last submission is used for your score. 1. 0/0 POINTS PREVIOUS ANSWERS 2/100 Submissions Used MY NOTES ASK YOUR TEACHER Choose the correct total number of electron domains (bonding and nonbonding) about a central atom if the angle(s) between the electron domains have two different values, either about 90 or 180 degrees. O a) The central atom has 4 electron domains. O b) The central atom has 6 electron domains. O c) The central atom has 3 tron domains. O d) The central atom has 2 electron domains. O e) The central atom has 5 electron domains. 2. 0/0 POINTS PREVIOUS ANSWERS 5/100 Submissions Used MY NOTES ASK YOUR…instructure.com/courses/16017/quizzes/600409/take onds Press S... d Loading Desmos... Answer: Nicole Sneddon Cla... 1. °℃ 3 33 7.06 Conter X Math 7 2019-2020 L D 10 000 Image from Pixabay: https://pixabay.com/photos/petrol-equipment-fire-extinguisher-3079094/ There is 17.0 g of carbon dioxide gas stored in a cylinder with a volume of 16.0. A pressure gauge shows the pressure to be 3.00 atm. R=0.0821 Latm/(mol-K) In degrees Celsius, determine the temperature of the gas. Round your answer to a whole number. 7.06 Applic x M Ihbox (1,61: x 19,Unattempted. About Us - Levi S 3 | GM Mathway | Chemistry Problem So x A ALEKS-Andrew Herrera ← C ||| www-awa.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-lvgXwPgmUhvITCeeBZbufu BYTi0Hz7m7D3ZcKsCEJuQCTg70iQiXu9bAsbFEhEkLFd_ O ELECTROCHEMISTRY Writing a simple half-reaction from its description USD/CAD +0.79 % Write a balanced half-reaction describing the oxidation of solid chromium to aqueous chromium(IV) cations. Explanation + Check Q Search 0-0 20₁ e™ X 00 i © 2023 McGraw Hill LLC. All Rights Reserved Terms o