500.0 mL 0.2 M KI 2. 500.0 mL 0.2 M KCl 3. 500.0 mL 0.1 M K2S2O8 4. 500.0 mL 0.1 M K2SO4 5. 500.0 mL 4.0 mM Na2S2O3 (from Na2S2O3∙5H2O) pls compelete the 2nd table given the data
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1. 500.0 mL 0.2 M KI
2. 500.0 mL 0.2 M KCl
3. 500.0 mL 0.1 M K2S2O8
4. 500.0 mL 0.1 M K2SO4
5. 500.0 mL 4.0 mM Na2S2O3 (from Na2S2O3∙5H2O)
pls compelete the 2nd table given the data
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- Mn→ Mn2+ + 2e Mn2+ Mn³+ + e Mn3+ + 2H₂O → MnO2 + 4H+ + e MnO2 + 2H₂O → MnO42- + 4H+ + 2e- MnO42- MnO4 + e Mn2+ + 2H₂O → MnO2 + 4H+ 2e Eº = -1.23 V MnO2 + 2H2O → MnO4 + 4H+ + 3e Eº = -1.70 V Mn2+ + 4H20 MnO4 + 8H+ + 5e EO = -1.51 V - i. Summarise the above potential data by means of a Latimer and Frost diage EO = +1.18 V Eº = -1.51 V EO = -0.95 V EO = -2.26 V Eº = -0.56 VGiven the Ksp for Ag2CrO4 is equal to 1.20 x 10-12, calculate the percent error in your experimentally determined value for average Ksp (this will be an extremely large percentage – think about why).Convert each "b" value from the three Graphs ln(Conc) to the Initial Concentration. Graph Two: y= -0.0048x -11.125 Graph Four: y= 161824x - 13.326 Graph Five: y= -0.0189x -10.903 **Note these are the y= mx-b equation from the linear graph, In(concentration) vs time. I don't know how to convert natural log value such as -11.125 to the initial concentration.
- 30- 25 22.285 20 atm 15. 10- 50 100 150 200 250 300 seconds created x10 Is BF, being created or destroyed by the chemical 3 destroyed reaction? neither created nor destroyed is being created or destroyed, what is the rate at If BF3 which it is being created or destroyed 80 seconds after the reaction starts? Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol. If BF, is being created or destroyed, what is the 3 average rate at which it is being created or destroyed during the first 80 seconds of the reaction? Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol.За. Bromine and methanoic acid react in aqueous solution. Br, (aq) + HCO0Н (ад) — 2Br (aq) + 2H" (аq) + Со, (g) The reaction was monitored by measuring the volume of carbon dioxide produced as time progressed. o 5 10 15 20 25 [Source: © International Baccalaureate Organization 2019] 30 20 40 60 80 100 120 140 160 Time / s [Source: © International Baccalaureate Organization 2019] Determine from the graph the rate of reaction at 20 s, in cm³ s1, showing your working. 3b. Outline, with a reason, another property that could be monitored to measure the rate of this reaction. 3c. Describe one systematic error associated with the use of the gas syringe, and how the error affects the calculated rate. 3d. Identify one error associated with the use of an accurate stopwatch. Volume of carbon dioxide / cm T m mm moE=Eº OF O E° = RT nF RT nF E-nF E° = E RT nF ) Stry fes - સની ડિગ m B rate HITTETEAD fesses millesim
- Which energy levels precede and succeed 4s ?Please help me!! urgentttta *ACTIVITY 6.pdf O File D:/1st%20sem/chemistry%201/activity%20chem/ACTIVITY%206.pdf + O O CE Page view A Read aloud O Add text V Draw E Highlight O Erase of 2 Republic of the Philippines Laguna State Polptechnic University Province of Laguna ISO goos a015 Certified Level l Institutionally Accredited ACTIVITY TASK Activity 6 State the type of Chemical Reaction 1. BaCl, + H,SO → 2. CH12 + O2→ 3. Zn + CuSO,→ 4. Cs + Br, > 5. FeCO, → 1SPU SELE-PACED LEARNING MOnuLE: PHYSICAL SCIENCE P Type here to search 29°C Mostly cloudy A 回 ENG 4:55 pm 28/10/2021
- IRS whistleblowers testify at Hou: XM $4 off on Delicious, Rejuvenating X A ALEKS-Andrew Herrera - Learn X ← → C www-awa.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lvgXwPgmUhvlTCeeBZbufuBYTi0Hz7m7D3ZcZsVtNxxGh3NolGhgexjUoyas3VCHOBjufyala7Wgbxc... ☆ = @ 89°F Near record Fill in the information missing from this table: 4- ELECTRONIC STRUCTURE AND CHEMICAL BONDING Calculating the capacity of electron subshells subshell 3s 5s Explanation 4p 2 Some electron subshells principal quantum number n 0 0 0 Check }° с angular momentum quantum number / ▬▬ 0 0 0 Q Search FO maximum number of electrons 0 П 10 F7 F8 8 F9 X 3 en F10 *- OF ** PrtSc W 0/3 Insert © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility @dx a Delete Andrew ^ 0 olo Ar O X ⠀ 4:45 PM 7/20/2023Enzyme activity (Effect of temperature) Research Question How does temperature affect the activity of the enzyme catalase? Hypothesis The higher temperature would increase Catalase activity, leading to a faster reaction. Temp (degrees Trial! 4 5.85 3.06 10 22 Ho Results Time to float disc 65t 4.00 1/29/24 Mini Lab #1 10.49 9.43 Trial a 5.70 2.86 5.26 7.86 11.36 Average 5.775 2.96 4.63 9.175 10.395 Rate Class averageSeconds(s) Tap H2OTemp (°C) Salt Solution(+ 2.5 mL salt)Temp (°C) Salt Solution(+ 5 mL salt)Temp (°C) 30 9 7 0 60 4 4 -1 90 3 2 -2 120 2 1 -2 150 1 1 -2 180 1 1 -2 210 1 1 -2 240 1 1 -2 270 1 1 -2 300 1 1 -2 330 1 1 -2 360 1 1 -2 390 1 1 -2 420 1 1 -3 450 1 1 -3 480 1 1 -3 510 1 1 -3 540 1 1 -3 570 1 1 -3 600 1 1 -3 Attach three (virtual) graphs. On one graph, plot the data from the tap water. On the other two graphs, plot the data from the salt solutions. Clearly label the freezing point on each graph.