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- We are stuck on 9. We get how Q is 16 and rxn goes left. at eq 2+ x. 2 + x. -2 x We get x= 1. Therefore k = 4. Please help us. Questin 9. See conditions from 8 This is not a graded question as it is a practice question . I am 60 years old and helping my son prepare for the AP exam in a few months. We do questions at the back of the textbook by Zumdahl and Zumdahl20,18,2,4,15,15,10 Using these data, construct a 80% confidence interval for the average net change in a student's score after completing the course. Assume the population is approximately normal. Construct the 80% confidence interval. Round your answer to one decimal place.The spectroscopic data in the table is generated with five solutions of known concentration. Concentration (M) 0.0133 m= 0.0266 0.0532 0.106 0.213 Absorbance 0.1271 What is the intercept of the linear regression line? 0.08531 0.5388 1.069 Use a spreadsheet program, such as Microsoft Excel, to graph the data points and determine the equation of the best-fit line. 1.954 What is the slope of the linear regression line formed by these points? M-1
- Real life applications of standardization of NaOH.Help 100% 47 T. "ublic Health Ch HSC 258 - Major Projec x MindTap - Cengage Lea X C The Illustration To T =55750828934189288909969212&elSBN=9781305657571&id=D1061392007&nbld=21... * Q Search t Referonces Use the References to access important values if needed for this question. For the following reaction, 50.4 grams of sulfur dioxide are allowed to react with 17.9 grams of water. sulfur dioxide (g) + water (I) sulfurous acid (H2SO3) (g) grams What is the maximum amount of sulfurous acid (H,SO3) that can be formed? What is the FORMULA for the limiting reagent? grams What amount of the excess reagent remains after the reaction is complete? Submit AnswerWith reference to all the following methods of calibration (Isomation calibration method, external standards method, internal standards and standard addition calibration method), explain the difference between single-point calibration and multiple-point calibration.
- The IR spectrum of 2-methyl-1-butanol (H;CCH,CH(CH;) CH,OH) and tert-butyl methyl ether [(CH;);COCH3] are shown below. Assign cach spectrum to the correct com- pound and identify the frequencies and the functional groups used to support your assignment. λ (μm) 6 7 8 9 10 11 12 1314 15 2.5 100 3 5 90 80 70 60 50 40 30 20 10 4000 3600 3200 2800 2400 2000 1800 1600 1400 1200 1000 800 600 400 Frequency (cm-1) A (µm) 7 8 9 10 11 12 13 14 15 2.5 100 3 5 20 4 6 90 80 70 60 50 40 30 20 10 4000 3600 3200 2800 2400 2000 1800 1600 1400 1200 1000 800 600 400 Frequency (cm¬!) (%) Transmission (%) Transmission 20Which matches the data?Here is the protocol for a UV-Vis spectrophotometer to detect water and chlorine-carbon. 1.Dissolve the water and chlorine-carbon compounds in a solvent, such as water. 2.Prepare a standard solution of known concentration that is similar to the sample being measured. 3.Calibrate the spectrophotometer using the standard solution. 4.Measure the absorbance of the sample using the spectrophotometer. 5.Calculate the concentration of the compounds in the sample using the calibration curve obtained from the standard solution. How is the spectrophotometer calibrated with standard solutions? When is the blank solution placed in the spectrophotmeter?
- Type 3. If Rc = 0.145 for A₂ + 2B = 2AB (9) (9) Ка = ㅗ 4AB 2A2+4B (g) Kc₂= Ког [AB]² [A₂][B] = 0.145 [A₂]²[B]* [AB]+ دو) ㅗ 1 = (k~₁) ² ког к сч=? =[AB]² ([AB]² 12 [A₂][B]² [[A₂][B] ² =47,56 Kc2 = (Kc₁) ² (0.145) = ☆ What is Kc3 = ? — Az (g) + B (g) = AB (g)alentina Vergara - Le X www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IJ-TnplXoFu0F7UjsroJMKrbFHXPNvwILIE9eRim2d5l07ErwABTCdbvgUnFtjhtelPZIZL910... Homepage Welcome, Valentin... E Freeze | myEquifax EMT Fall 2022- M... gara, Val... Google Docs A solution is prepared at 25°C X + O ACIDS AND BASES Calculating the pH of a buffer pH = Explanation Check X S GOVT 2306.003:... A solution is prepared at 25 °C that is initially 0.30M in methylamine (CH3NH₂), a weak base with K-4.4 x 104, and 0.32M in methylammonium chloride (CH3NH₂C1). Calculate the pH of the solution. Round your answer to 2 decimal places. * ALEKS - Valentina... 0/5 B Health and sport... C Valentina V ©2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessibility da A O ?101 Chem101 M 10.04 pH and Acidity: Introductic x b Answered: Complete the balance X A app.101edu.co Question 16 of 35 Submit Complete the balanced molecular reaction for the following weak acid with a strong base: HC-Н,О-(aq) + NaOH(aq) - 4- O3- D2- D2+ 03+ 4+ 1 3 4 7 8 13 14 8 (s) (1) (g) |(aq) H2O H OH- Na Reset • x H2O Delete 2.
