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- nHMAC%3Def41415d9158412623399163083b2ede#10001 Spr. 2021 8 Gu HI, Leira v Sign Out Item 4 I Review | Constants | Periodic Table Alexandra decides to climb Mt. Krumpett, which is 5000 m high. She determines that this will require a total of 2250 kcal of energy for the trip. For her food supply, she decides to take nutrition bars. The label states that each bar contains 50 g of carbohydrates, 10 g of fat, and 40 g of protein. Part A How many nutrition bars should Alexandra pack? Express the number of bars numerically. > View Available Hint(s) ν ΑΣφ bars Submit Previous Answers 0V 12:33Inbc X (531 X Con X I Bala X Ans X Inbc X CHE X 101 Che X С Ч-С х b My x Unk X Sea X E I ma X app.101edu.co/# Bryant's Gmail Cascadia Canvas Lo... T GSBA Scholarship L... HOMEGROWN TRA... Learn Touch Typing... C The Science of Well... Investor360° ® Login ClickUp Reading list >> Question 7 of 40 Submit Which of the following compounds can form intermolecular hydrogen bonds? A) CH4 B) H2Se C) NH3 D) H2 E) All of these compounds can form hydrogen bonds. 10:36 AM e Type here to search 64°F 小 8/26/2021 (8)Part C F10 BO O 3.04 × 10³ 6.27 x 10-1 The dosage of quinine when a 145-lb adult takes a 200.-mg tablet is equivalent to ug drug per kg of body weight. ► View Available Hint(s) O 627 O 1.38 × 10³ P Pearson * Education Inc. All rights reserved. | Terms of Use Privacy Policy. Permissions Contact Us | Bb Home L End Insert ■ Review |- Constants | Periodic Table 1 2
- + e Home ourse.html?courseld=15539865&HepID=676f177415469ec3dc78ff3c8 bf724d9#1 0001 Inbox-Outlook We... S Sugarpill Cosmetic... Shop | Origami Owl Wholesale Glass M... S The Corinthian Hou... zed Invitat... HW Provide Feedback P Pearson Contact Us Copyright 2019 Pearson Education Inc. All rights reserved. Terms of Use Privacy Policy | Permissions MacBook Air »)) DD DII O00 F12 F11 F10 F9 F8 F7 F4 F6 F5 F3 + $ & 3 0 9 4 7 8 6 5 } { P E U R Y D L K G F H T 2LO2. The following eight structures are all isomers of C6H14O. Each structure corresponds to one of the predicted ¹H NMR spectra pictured on the next two pages of this document. The integral values for each peak are next to that peak. Indicate which structure matches each spectrum by drawing the structures in the boxes along the right side of the pages. Use the letter codes provided to label the chemically equivalent hydrogens on the structures. One example is provided. Xor A 2H 1H <- A 4H -3₂₂ OH B 2H tot 2 PPM PPM -N 2 PPM N- -~ B 12H DE C 2H 2H 1H B 4H 6H ха по мон F 6H B B B wLetter K pleaseeee
- How did you get this? k===0.693t1/20.69315 hrs0.0462 hrs−1k=0.693t1/2=0.69315 hrs=0.0462 hrs 0.693 a 102.0 nanogram(ng) sample of sodium-24 was stored in a lead-lined cabinet for 2.5 days How much sodium-24 remained? The half-life os sodium -24 is 15 hours _________ ng sodium -24 remain check_circle Expert Answer thumb_up thumb_down Step 1 Radioactive decay is a first order reaction. Conversion of days into hours: 1 day2.5 days===24 hrs2.5×2460 hrs1 day=24 hrs2.5 days=2.5×24=60 hrs Calculation of k: k===0.693t1/20.69315 hrs0.0462 hrs−1k=0.693t1/2=0.69315 hrs=0.0462 hrs-1 Step 2 Radioactive decay is a first order reaction, therefore: [A]=[Ao] e−kt[A]=[Ao] e-kt where [A] is the final amount remained at time t, [Ao] is the initial amount. Putting values: [A]====102.0 ng×e−0.0462 hrs−1×60 hrs102.0 ng×e−2.772102.0 ng×0.062546.38 ng[A]=102.0 ng×e-0.0462 hrs-1×60 hrs=102.0 ng×e-2.772=102.0 ng×0.06254=6.38 ng Thus 6.38 ng of sodium-24 remained.Docume x → C Netflix Thermo X Cosmet x C Laptops x M Inbox (7 X learn.canterbury.ac.uk/ultra/courses/_19016_1/outline/edit/document/_3537106_1?courseld=_19016_1&view=content WOWER Saturati x C Buy TCL X a Amazon x C Show Y X G what's X Email - X យ ☆ b The dia x 90 h * ☐ 3. Calculate AG" and AG for the isomerization of dihydroxyacetone phosphate (DHAP) to glyceraldehyde 3-phosphate (GAP). This reaction takes place in glycolysis. At equilibrium, the ratio of GAP to DHAP is 0.0475 at 25°C (298 K) and pH 7. If the initial concentration of DHAP is 2 x 10 4M, and that of GAP is 2 x 10 M would the reaction be spontaneous under these conditions? (Answer: AG" = -RTINK= 7.54 kJ/mol, AG = -3.86 kJ/mol. Therefore, the reaction is spontaneous at the given concentrations) V :For each problem, you must: 1) Calculate the degree of unsaturation. -1 2) Assign the principal IR absorption bands above 1500 cm 3) Draw the structure of the compound 4) Label the protons on your structure with letters and assign them to peaks on the NMR spectrum (see the example below). 4.0 C 2H 3.5 3.0 2.5 D 1H 3.0 This peak is a magnified version of this peak A 2.8 2.0 1H B zum 2.6 B 2H Each problem contains the formula of the compound, the IR spectrum (with axes in cm³¹ vs. % transmission), and the ¹H NMR spectrum (with axis in PPM shift). Some NMR spectra show a peak hovering above the baseline. This is a magnified view of one of the actual peaks, to allow you to see splitting more clearly. 1.5 2.4 OHD A 3H 1.0 PPM 0.5
- Inbo Ansv (534 Con I Balar Post CHE 101 C X The bartl bartl bartl Cher Unkr O Sear E I ma G what app.101edu.co/# Bryant's Gmail Cascadia Canvas Lo... T GSBA Scholarship L... HOMEGROWN TRA... Learn Touch Typing... C The Science of Well... Investor360° ® Login ClickUp Reading list >> Question 21 of 40 Submit KOH is a Brønsted-Lowry base because A) it is a polar molecule. B) it can dissolve in water. C) it is a hydroxide donor. D) it is a proton acceptor. 11:34 PM e Type here to search 59°F 小 8/26/2021 (8)An arteriole has a diameter of 2.5x10-5 m and a blood flow rate of 2.7×10−³ m·s¯¹. Calculate the pressure drop, AP, from one end to the other if the length of the arteriole is 4.9x10-3 m. (The density of blood is about 1.06 g.cm-³. Assume that the viscosity of blood is 0.0040 N.s.m-².) 4.0 5.52e13 N•m-2M Mathway| Algebra Prol X G rmolar mass of zinc chle x Launch Meeting-Zoom x G 0.16kg to g- Google Se x + www-awu.akeks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lix5uFZIVj2iEJjąd1WoxT77ErtzZZpGbzESWhuQ5KnLFr-AdqJckJ3tzP4DtHEOm2H4pGXeoGQgUw9Q Lco06TW. O GASES, LIQUIDS, AND SOLIDS 三 Using the Kf and Kb equations with electrolytes Jenee The normal freezing point of a certain liquid X is 2.30 °C, but when 74.0 g of barlum hydroxide (Ba(OH),) are dissolved in 900. g of X the solution freezes at -1.4°C Instead. Use this information to calculate the molal freezing point depression constant K, of X. Be sure your answer is rounded to the correct number of significiant digits. °C kg K, = [] mol x10 Check Explanation ©2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy | Acces MO hp
