Make an excel plot of InK versus ( s(). sp Insert a linear trendline and have the equation displayed on the chart. Record the value of the slope and the y-intercept of the trendline. Upload the graph in the Lab Report Submission link in Blackboard. kp 11 Solubility and Thermodynamics Lab Checker.htm ownload Exp 11 Solubility and Thermodynamics Lab Checker.htm (91.1 KB) Temperature of Crystal Solubility in M Ksp Formation in Kelvin 341 Correct 7.6 Correct 57.76 Correct 343 Correct 6.8 Correct 46.24 Correct 346 Correct 5.8 Correct 33.64 Correct 348 Correct 5.2 Correct 27.04 Correct 350 Correct 4.7 Correct 22.09 Correct Value or Calibration Curve M Incorrect or Calibration Curve 0.0026 M Incorrect ง
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- Open the bags and add 3 drops of bromothymol blue to each bottle. The indicator turns yellow if vinegar is still present and is blue-green when vinegar is not present. Record the color of each solution in the table provided. 7. Add a ¼ teaspoon of baking soda to each bag. Effervescence of CO₂ occurs if excess vinegar is present. Record your observations in the table provided. Data Table 1: Reaction Data Sample Moles of vinegar (mol) Moles of baking soda (mol) small bigger Relative size of bag Was excess vinegar present? Color with indicator? Reacts with additional baking soda? Moles of gas produced (mol) Watch the limiting reagent! #1 0.042 #2 yes yellow 0.042 0.014 NEN Smat Small 0.028 yes Kellow #3 0.042 Stoichiometry Experiment 11 0.042 #4 0.042 0.071 big bigger yes yellow Green NO #5 0.042 0.88 more bigger No Blue Calculations 1. Use Table 1 to determine which reactant was limiting in each trial. Use the amount of limiting reactant to calculate the moles of carbon dioxide gas that…Section: Date: Solubility of Calcium Hydroxide in Water Concentration of standard HCl solution (M) Temperature of Ca(OH), solution (°C) Determination of a Solubility Product Constant 0.05 25 Report Table KSP.1: Titration Data (Calcium Hydroxide Solubility in Water) Trial 1 Oml Initial Buret Reading (mL) Final Buret Reading (mL) Volume of HCI Added (mL) 19.6ml 19.6m Sample Calculations [OH] from trial 1 (show calculations in box below) Concentration of Ca2+ (show calculations in box below) Value of Ksp (show calculations in box below) Molar solubility of Ca(OH)2 in water (show calculations in box below) Trial 2 19.6ml 35.2m) 15.6m)Table 1: Volumes in of iodine in mL used to titrate mixtures of 10 mL of reaction mix and 10 mL of urine. student trial 1 trial 2 trial 3 total volume (mL) a 12.6 11.8 12.5 300 290 b. 10.6 10.7 10.6 11.1 118 12. 10.9 405 13.0 12.5 349 mg vit. C mL iodine TV (mL/hour) 10 mL urine aliquot TVC (mg/hour) =7 (mL) · CF !! What is the hourly vitamin C excretion rate (mg/h) of student b if the CF is 1.06? (include no more than two decimals in your answer, e.g.: 123.45, and do not type the units) 10.6 need ASAP
- The following data were collected for the reaction 2A + 2B + C 3G+ 4 F Experiment 2 3 4 5 [A] Units of Molarity .00125 .00250 .00125 .00125 .00301 [B] Units of Molarity 00125 .00125 00302 00302 .00100 [C] Units of Molarity 00125 .00125 .00125 00375 .00115 Rate Units M/s 00870 .0174 .0508 .457 a. What is the order with respect to each reactant and what is the overall order for the reaction? Answer this question within the answer box and show your work clearly labeled on the scratch paper. b. Write the rate law for the reaction. Answer this question within the answer box and show your work clearly labeled on the scratch paper. c. What is the value and units for k? Answer this question within the answer box and show your work clearly labeled on the scratch paper. d. Predict the rate for experiment 5, you should give a value and units. Answer this question in the answer box and show your work on the scratch paper labeled clearly.hiine teaching and I... C In A Series Of Experiment= Paraphrasing .ewriting Tool Car note CAU EMAIL CANVAS Pirate Ship MYJSCC BLACKBOARD Vacancies [References] Use the References to access important values if needed for A student measures the molar solubility of nickel(II) hydroxide in a water solution to be 4.22x10-6 M. Based on her data, the solubility product constant for this compound is Submit Answer Try Another Version 3 item attempts remaining DEC 10 80 000 000 F2Calculate the solubility of PbCO , in water at 25 °C. You'll find K, data in the ALEKS Data tab. sp Round your answer to 2 significant digits. dlo Ar alo Data BaSO4 1.08×10-10 СаСОз 3.36×10-9 CaF2 3.45x10-11 Co(OH)2 5.92×10-15 CuBr 6.27×10' o-9 CuCo3 1.4x10-10 Fe(OH)2 4.87×10¬17 PЬСОЗ 7.40×10-14 PbCro4 2.8×10-13 PBF2 3.3x10-8 Mg(OH)2 5.61×10¬12 Ni(OH)2 5.48×10-16 AgBrO3 5.38x10-5
- M req M #3 80 E D Solid barium chloride is slowly added to 75.0 mL of a 0.205 M sodium carbonate solution until the concentration of barium ion is 0.0440 M. The percent of carbonate ion remaining in solution is %. Submit Answer C $ 4 000 888 R F % 5 V [References Use the References to access important values if needed for this question. Retry Entire Group T Cengage Learning | Cengage Technical Support G 6 6 more group attempts remaining MacBook Pro B Y H & 7 U N 11 * +00 8 J 1 M ( - 9 K O ) 0 I 2 L P command Previous Email Instructor { + 11 [ Next Save and Exit 27 option ? 1 ] deleE PAP Chem G diagram sh x H PAP Chemi x G Reactions t x K PAP Chemi: x I PAP Chemi x b ar-2903012.agilixbuzz.com/student/135113422/activity/c412d902-b23e-4202-b813-76alf9f4c196 I Student Ap x Session Tir X Mp Rocking WX Mastery Assess It_8 200% + Reset PAP Chemistry-2903012-42100. Enrique Solis All changes saved 3. Reactions that occur in the gaseous state are affected by changing the volume of the container. Which choice best describes what will happen to the reaction if the volume of the container is decreased? The reaction will speed up. The reaction will shift left. The reaction will not change. SAVE & EXIT NEXT The reaction will shift right. 3 of 25 PREVIOUSBecause of the risk of lead poisoning, the exposure of children to lead-based paint is a significant public health concern. Thefirst step in the quantitative analysis of lead in dried paint chips is to dissolve the sample. Corl evaluated several dissolution techniques.24 In this study, samples of paint were collected and pulverized with a Pyrex mortar and pestle. Replicate portions of the powdered paint were then taken foranalysis. Results for an unknown paint sample and for a standard reference material, in which dissolution wasaccomplished by a 4–6-h digestion with HNO3 on a hot plate, are shown in the following table. (a) Determine the overall variance, the variance due to the method, and the variance due to sampling. (b) What percentage of the overall variance is due to sampling? (c) How might the variance due to sampling be decreased?
- When we make a calibration curve, we want the range of calibration standards to the analyte concentrations in the samples. If this is not the case, we will have to the samples, depending on the analyte concentration. O Exclude, concentrate or dilute O Include, spike O Include, concentrate or dilute None of These O Exclude, calculate the concentration of You have prepared a set of calibration standards for nitrate in surface water where you are using Beer's Law to generate the calibration curve. The calibration equation for the standards you have prepared between 1 and 15 ppm is y = 0.0820x +0.00900. You analyze a 3.00 mL water sample and generate an absorbance response of 1.12. You report the concentration of nitrate in this sample as: O None of These O 4.52 ppm O The concentration is out of range so it cannot be reported O 13.5 ppm O 13.5 absorbanceA prod01-cnow-owl.cengagenow.com -Content C OWLV2 | Online teaching and learning resource fr... Fool Car note CAU EMAIL CANVAS Pirate Ship MYJSCC BLACKBOARD Vacancies | A... Birmingham New NCO [Review Topics] [References] Use the References to access important values if needed for this question. The mass of barium phosphate that is dissolved in 175 mL of a saturated solution is grams. Submit Answer Retry Entire Group 5 more group attempts remaining DEC 3 tv 3Calculate the solubility at 25 °C of BaCro, in pure water and in a 0.0200M BaCl, solution. You'll find K, data in the ALEKS Data tab. up. Round both of your answers to 2 significant digits. solubility in pure water: solubility in 0.0200 M BaCl, solution: