The percent change is given by:
Where the straight lines mean absolute value. That is, if the result of what is inside of them is positive, it remains as it is, and if it is negative, the sign is changed. (I'm sorry, but I can't use the % symbol in the equation editor, but the results are percentages!)
For Disk A:
17.9%
For disk B:
For disk C:
4.59%
how do i calculate percent change Data: Potato Disks BEFORE Soaking (1 point for each blank)...
help with volume calculation and percent change calculation CHEM 1151 - Lab Manual REPORT SHEET Osmosis-The Potato Lab Name Catherine Crumley_ Date ID|3119_Section 33 Partner's Name Brooke Cline Instructor N. Msimanga Data: Potato Disks BEFORE Soaking (1 point for each blank) Mass Diameter Height Potato Disk "A 20 % w/ Naci 2.66e8a 2.50cm 0.40 cm Potato Disk "B" 0.9 % w/v NaCl 2.6829 2.30 cm 0.50 cm Potato Disk "C" Distilled Water 2.874 2.50 cm 0.50 cm Data: Potato Disks...
i need help Fills with the blank. (Each blank worth 2 score, together 24 score) 1. Write the definition equation of enthalpy H = . _(1) 2. A steady state flow in a throttle, the enthalpy change of the working fluid is = _(2) 3. Below functions, which one is right? _(3) 3. A container encloses some oxygen in it. The pressure meter tells us the pressure of the oxygen is 1.2MPa. the atmosphere pressure is 0.1MPa. The absolute pressure...
1) We use this formula: [Experimental value – Theoretical value]/ [Theoretical value] to calculate: Group of answer choices Atomic decay Biased Error Relative percent error Efficiency Redshift 2)You measure the diameter of a cylinder 5 times and get five different values (d1, d2, d3, d4, d5.) Then, the average value would be: Group of answer choices (d1 x d2 x d3 x d4 x d5) divided by 5 (d1 + d2 + d3 + d4 + d5) divided by 5...
Attached is the lab experiment. Here are the questions I need help with: 1. What is the purpose of each of the following steps in this experiment? a. Adding solid NaCl to the reaction mixture b. Repeated washings with water, sat'd NAHCO3, and brine c. the pipet column chromatography 2. Which compound, cyclohexanol or cyclohexanone will have a higher Rf on a TLC plate? 3. What is the advantage of using sodium hypochlorite as an oxidant over CrO3 or Na2Cr2O7...
1.) Describe the goals of a Gel Filtration Chromotography Experiment??? 2.) Explain each key theoretical principle of a Gel Filtration Chromotography, and how they help acheive the goal???. 4.) Explain the key equations used in the Gel Filtration Chromotography experiment and the terms involved in the equation???? HI im trying to prepare for a lab/report and i have some questions i could use help with please :) over all having trouble seeing how everything ties together etc :) thank you...