please helpppp

this is stearic acid temperature readings

pleaseee help

Upload the spreadsheet file with the data and a plot for the cooling curves of solution of unknown fatty acid (first addition) in stearic acid (2 trials on one graph) Browse your files to upload or Drag and drop Max attachments: 10 Max Size: 20.00M each (5pts) Upload your calculations for freezing point of solution 1 for both trials Activate Windo Freezing point of solution 1 from 15 trial ("C) Freezing point of solution 1 from 2nd trial (C) Average freezing point of solution 1 (C) Freezing point depression for solution 1, AT, (C) Molality of unknown in solution 1 (m) Activate Windows (2pts) Molality of unknown in solution 1 (m) Mass of stearic acid 9.029 (2pts) Moles of unknown in solution 1 (mol) Mass of 10t addition of unknown fatty acid 1.019 (2pts) Molar mass of unknown sample 1 (g/mol) Trial 2n added fatty unknown Trial 1 acid Time 0 30 7. 130 Tent 85 79.9 2 782 77.9 77 2. 76.8 76.1 25.9 75.3 74.4. 74.1 73.6 72.2 70-8 69.8 68.5 85 84.4 83.1 82.6 80.2 79.5 78.9 77.0 76.1 75.2 73.9 72.2 71.2 21:30 3. 3:30. y 4:30 5:30 6 70.0 68.7 6:30 8. 7 7:30 s. 67.5.82 GI.2 67.1 8 1. Mass of stearic acid (9) 9.02 Freezing Point of Solution 2. Code for Unknown fatty acid 1.01 1.09 3. Mass of 1st addition of unknown fatty acid (g) 4. Mass of 2nd addition of unknown fatty acid (9) Time (sed Set (C) 85 18.30 6.0. 90 82.5 28.9 77.4 2-min 30 See 3 min 85 79.6 78.4 17.5 766 75.9 75.0 74.2 73.3 72.5 71.8 Ft.I 71.2 70.4 7o.3 3 min 30 761 75.2 73.8 72.5 1-4 70 8 70. u 761 69.9 69.5 69.4 69.2. 69. 1 4 30 5 min 5 :30sec min 630 sec min 7 : 30 sec & min to 6 7o.o 69.5C How will you collect data for this experiment? in-person 1. Mass of stearic acid (9) 9.02 Freezing Point of Solution 2. Code for Unknown fatty acid 3. Mass of 15 addition of unknown fatty acid (0) 4. Mass of 2nd addition of unknown fatty acid (9) 1.01 activate Windows 1.09 Upload your calculations of freezing point for both trials (2pts) Freezing point of stearic acid from 1st trial ("C) (2pts) Freezing point of stearic acid from 2nd trial ("C) (1pts) Average freezing point of stearic acid (C) Upload your calculations for freezing point of solution 1 for both trials (2pts) Freezing point of solution 1 from 1st trial ("C) (2pts) Freezing point of solution 1 from 2nd trial ("C) (Ipts) Average freezing point of solution 1 (C) (2pts) Freezing point depression for solution 1, AT, (C) (2pts) Molality of unknown in solution 1 (m) Activate Windows 9.02 getting Mass of stearic acid Moss of stearic acid 9.029 (2pts) Moles of unknown in solution 1 (mol) Mass of 1st addition of unknown fatty acid 1019 (2pts) Molar mass of unknown sample 1 (g/mol) Upload your calculations for freezing point of solution 2 for both trials Browse your files to upload or Drag and Drop Max attachments: 10 | Max Size20.00MB each (2pts) Freezing point of solution 2 from 1ut trial (C) (2pts) Freezing point of solution 2 from 2nd trial ("C) Activate Windows (3 B3 Songs 10 and (1pts) Average freezing point of solution 2 (C) (2pts) Freezing point depression for solution 2. AT, ("C) (2pts) Molality of unknown in solution 2 (m) Mass of stearic acid 9.029 (2pts) Moles of unknown in solution 2 (mol) Activate Windo 1.09.g Setting Mass of 2nd addition of unknown fatty acid (2pts) Molar mass of unknown sample 2 (g/mol) (2pts) Upload your calculations (Spts) Identification of unknown (2pts) Average molar mass of unknown (g/mol) (3pts) What is the identity of your unknown? Normal e BIU XX EEE W BUTT 74 (Apts) Post-Lab Questions (2pts) How does the additional amount of an unknown fatty acid sample change the freezing point of the solution? Briefly Activate Windows explain why? 12pis) How does the additional amount of an unknown fatty acid sample change the freezing point of the solution? Briefly explain why? Swed Normal BIU X, ELE f e EB THI IT IT TA (2pts) Compare your obtained molar mass with that of the expected molar mass of your unknown. What are the possible sources of error that may lead to the deviation from the desired molar mass? Normal 15 4 BIU | = X X 30 Activate Window Stearic Trial 1 Trial 2 Time (Temp & rempoc 85 79.6 30 sec I min 1:30sco 2 min & : 30 82.5 78.9 77. Y 76.1 75.2 73.8 72.5 3 3:30 9 .. 5 71.4 4:30 77.5 76.6 75.9 75.0 74.2. 75.3 72.5 71.8 70.5 705 70.5 70.5 70.5 70.5 70.8 70.1 69.4 69.4 69.4 69.4 69.4 5:30 6:30 1 7:30 8. 69.4 Time Temp Trial (Temp) Trial 2 2 #adoled unknol gram 30 flutty 1:30 acid 2:30 3 3:30 4 85 79.1 78.5 77.1 76.5 72 1 70-9 68.4 67.7 66.4 65-1 65.1 65.1 65.1 65.1 65.1 65.1 85 81.5 77.1 75.4 73.9 72.4 71.5 70.3 68-9 65.8 64.9 64.9 4:30 64.9 5:30 6 6:30 7. 7.30 8 64.9 64.9 64.9 # fatty ac Temp additional 1.09 Added coloredes gram of unknown Time Trial 1 Trial 2 2 o 85 85 30 79.6 81.5 1 75.5 80.1 2 1:30 74.1 77.7 2 72.6 70.1 in 2:30 70.5 68.5 Joc C 3 69.9 67-1 3:30 68.6 66-9 67.5 65.8 4:30 6- 5 65.3 644 5:30 62.9 63.1 6. 63.1 6:30 62.9 7 7:30 63.1 62.9 63.1 66.1 62.9 63.1 63.1 62.9 62.9 00