4x zoom 24 Help reading a burette 25 25 26 Sample site B Final reading (cm³) Initial reading (cm³) Volume added (cm³) Average volume added (cm³)
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Q: 2. Write a complete mechanism for the hydrazone formation shown below. H₂NNH₂ p-TsOH (cat.) cat. = a…
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A: The compound is a 5 membered cyclic diene molecule at 1 and 3 positions (1,3-pentadiene). There is…
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A: The first step is ozonolysis. The double bond breaks to form a ketone. The second step is Bayer…
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A: Step 1: 1H NMR1H NMR (proton nuclear magnetic resonance spectroscopy) is a powerful analytical…
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A: The compound is 2-methylcyclohexanone (C7H12O). 2-methylcyclohexanone has no plane of symmetry and…
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A: Answer: To draw skeletal structure, follow the following rules:Show carbon-carbon bonds as lines…
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Q: Classify each of the molecules below. OH OH OH HO 01° alcohol 2° alcohol ○ 1° alcohol 1° alcohol 2°…
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Q: With resonance Benzene (C6H6) consists of a six-membered ring of carbon atoms with one hydrogen…
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A: Step 1: ReactionSN1 reaction proceeds in two steps. First step is the slow step and rate-determining…
Q: What is the product when methyl propanoate reacts with the reagents listed?
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A: B. Antiaromatic:A compound is antiaromatic if it is cyclic, planar, fully conjugated, and has 4n π…
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A: Step 1: Guidelines for IUPAC nomenclature (systematic names) of organic compounds:Consider the…
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A: Step 1: Calculate the heat absorbed by water (qw)qw = mass of water x specific heat of water…
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- Purification table formula: A=Elc Absorption is 1.471 E= 27,000 (GFP) l= 1 cm 1.417=27,000 M^-1 (1 cm) (c) Given 5.44810^-5 M is the concentration convert the concentration units Molarity (mol/l) to mg molar mass of GFP is 27,000 gCalculate the solubility of PbF, in water at 25 °C. You'll find K data in the ALEKS Data tab. sp Round your answer to 2 significant digits. x10RMR (kcal/day) = (9.99 x 79.5kg) + (6.25 X 182.9cm) - (4.92 x 35) + (166 x 1)- 161
- Gven: 10mL of Hd Dotll= mass of NaOH2.013a MHC- 1.0 OM M Naot-1.0OM NaOt(s)+HCI CaqNaulaa+H2O) Atrin J/mol= O ORGANIC FUNCTIONAL GROUPS Naming and drawing unsubstituted amides Draw the skeletal ("line") structure of N,N-dimethylethanamide. Click and drag to start drawing a structure. C™ X с S E 1/5 KirComplete the following table by calculating values for the two serial dilutions
- Ti me [A] [B] [C] [D] (mi (M) (M) (M) (M) n) 0.2 0.60 0 0.00 0.00 00 0 0.1 0.58 0.00 0.00 5 94 9 51 52 0.1 0.56 0.01 0.01 10 90 9 03 05 0.1 0.53 0.01 0.01 15 82 5 53 51 0.1 0.48 0.02 0.02 25 75 6 49 50 0.1 0.41 0.03 0.03 40 60 3 82 84 0.1 0.30 0.05 0.05 60 46 1 46 47 Calculate the average rate of consumption of A from 10 to 40 minutes. -1.00×103 M-min-1 -7.50x104 M-min-1 7.50×104 M-min-1 ○ 1.00×10-3 M.min-1For the following questions (Q1-Q5), consider the compound tartrazine (Yellow 5 food dye) that has a chemical formula of C16H9N4Na3O9S2. Ana weighs out 0.1328 g of tartrazine powder on the balance for her experiment and makes a stock solution by dissolving her powder in 500.0 mL of solution. Concentration (µM or µmol/L) Absorbance 0.00 0.001 9.94 0.252 19.9 0.506 29.8 0.738 39.8 1.018 slope (m): 0.02534 1/(µM) y-intercept (b): -0.0009147 Q4. Calculate the molar extinction coefficient (molar absorptivity) of tartrazine in units of 1/(M·cm). Assume a cuvette path length of 1.00 cm.For the following questions (Q1-Q5), consider the compound tartrazine (Yellow 5 food dye) that has a chemical formula of C16H9N4Na3O9S2. Ana weighs out 0.1328 g of tartrazine powder on the balance for her experiment and makes a stock solution by dissolving her powder in 500.0 mL of solution. Concentration (µM or µmol/L) Absorbance 0.00 0.001 9.94 0.252 19.9 0.506 29.8 0.738 39.8 1.018 slope (m): 0.02534 1/(µM) y-intercept (b): -0.0009147 Q5. If Ana determines the absorbance of an unknown tartrazine sample to be 0.662, what is the concentration of the sample in µM?
- please help me find concentration Concentration of TZ stock solution (μMμM) 42.064-16. Zinc is an essential micronutrient in pet food, but is toxic if present in excess. Do the Zn concentrations (mg/g) for the five cat foods and two dog foods determined by two methods differ significantly at the 95% confidence level? Cat 1 Cat 2 Cat 3 Cat 4 Cat 5 Dog 1 Dog 2 Old method: bris 8 Я 84.9 73.5 173.0 62.7 154.0 80.1 185.0 New faster method: 86.2 81.8 186.0 73.4 138.0 72.5 203.0 SO Souza, S. S. L. Costa, R. G. O. Araujo, C. A. Cats andWhat volume of a 36.0 wt% HC1 (FM 36.458) solution must be diluted to prepare 1.000 L of a 0.100 0 M HCl solution? The density of 36.0 wt% HC1 is 1.18 g/mL. O 11.7 mL O 8.58 mL O 1.20 mL O 10.1 mL 64.6 mL
