When the following reaction occurs, Amax of II is 235, while Amax of I is 275 nm. How do you call such a shift? What it is the reason (use a MO argument). NH3 (liq), Na
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- on O C The u receptors are a class of opioid receptors. The binding affinity of several compounds is shown below: Compound Binding affinity 2.55 nM || ||| IV 33.6 nM 156 nM 600 nM H i. Which compound has the weakest binding to the μ receptor? Justify your answer. ii. Which compound has the strongest binding to the μ receptor? Justify your answer. DJelsim Suppost 2² Tina, me 3 Course Hero' Rewards 2 OSHC Claims (Allian. 7 warded messa N Telsim Prepaid Pack [04933442 invoice and referral - Good morni Good news: you have new rewards o + bly Re-Further information Regi 8 Google recommends Chrome 24℃ 대체로 화창 A 9. 2023C. Cr(C104)3 Show HintCalculate e° values for the galvanic cells based on the following overall reactions. Assume that all concentrations are 1.0 M and that all partial pressures are 1.0 atm.
- (d) 3-13. Distis me Jum 4 A method of analysis yields weights for gold that are low by 0.4 mg. Calculate the caused by this uncertainty if the weight of gold in the sample is (a) 900 mg. (c) 150 mg. 1-7. The method described in Problem 3-6 is to be used for the analysis of ores that assay about 1.2% gold. What minimum sample weight should be taken if the relative error resulting from a 0.4-mg loss is not to exceed -0.2%? percent relative error (a) (b) (b) 600 mg. (d) 30 mg. 3-14. Wha stan stam 3-15. Сог mea (b) -0.5%? (a) -0.8%? (c) (d) 1.2%? 3.5 3-8. The color change of a chemical indicator requires an overtitration of 0.04 mL. Calculate the percent relative error if the total volume of titrant is (a) 50.00 mL. (c) 25.0 mL. 3-9. A loss of 0.4 mg of Zn occurs in the course of an analysis to determine that element. Calculate the per- cent relative error due to this loss if the weight of Zn in the sample is (a) 40 mg. (c) 400 mg. 3.1 3.1 (b) 10.0 mL. 3.3 2.5 (d) 40.0 mL. Fo (a (E (b) 175…2729 of Lae Chlude wor lormel in che acen Chlerida fon was in this reackion Achhn-65 (l- 35.5 CaleuloRe 0-16 2HC/ ーの Zの Ch t H.0 -12 formula Moas of Zine CMerde Zine Chle Nember f Meles in Zne Chlarde in hac Chld Rescsed OCked. Moss of Zene Ode shce Lhok was(129) ALEKS: Calculating x + X www-awu.aleks.com/alekscgi/x/isl.exe/10_u-IgNsikr7j8P3JH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInCwZsOvg6oljUPZmqCsVfxIjXe3ye87. ☆ 17.4 Solubility and...18.3 Gibbs Free E.. 5.3 Enthalples of... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po... Y SOLUTION: The le Math 115 W-S Fall... A ALEKS-Lara Althawadi X C calculating the solubility of an X esc E O KINETICS AND EQUILIBRIUM Calculating the solubility of an ionic compound when a commo... sp Calculate the solubility at 25 °C of CuBr in pure water and in a 0.0150M CoBr₂ solution. You'll find K, data in the ALEKS Data tab. Round both of your answers to 2 significant digits. 0- solubility in pure water: solubility in 0.0150 M CoBry solution: Explanation 30 Methods for Measuring the pH of an Aqueous Slide 28 of 104 Notes Q A Z Check 2 Comments 9 == W Click to add notes S 3 C с E D 4 C R P -111+ 00 0° F 0.9 0x0 5 G Search or type URL X T 63% X EX G 6 B Y 3 010 7 H ☆ Ⓒ2022 McGraw Hill LLC. All Rights…
- Each of these reactant pairs may or may not react. If the reaction will happen, write the complete balanced chemical equation. If it won't happen, state the reason why not. a. Pb(s) + Al2(CO3)3 > b. Na + K→ B I u、ケ=▼ 三v = of Paragraph + v ... Lato (Recom.. 19px EQ 12 Add a File Record Audio Record VideoQ. 6. a- particles from a polonium source strike a thin gold foil of thickness 4 x 10-7 m. Most of the particles scatter in the forward direction but (1/6-17 x 106) fraction of a - particles are found to be scattered by more than 90°. Find the cross-section of this type scattering if the number of gold nuclei per unit volume is 5-9 x 1028 per meter.M (2022-23) Unit 1: Mole Concept, Unit 4 (FR) (Version 2) Assessment: Chemical Reactions 0.90 0.80- 0.70- 3 0.60 0.50- 0.40- 0.30- Absorbance 2. To spectrophotometrically determine the mass percent of cobalt in an ore containing cobalt and some inert materials, solutions with known [Co²+] are prepared and the absorbance of each of the solutions is measured at the wavelength of optimum absorbance. The data are used to create a calibration plot, shown below. 0.20 0.10- 0.00+ ㅏ 0.005 0.010 34 0.015 Concentration (M) .04 co₂ 100- pertoc A 0.630 g sample of the ore is completely dissolved in concentrated HNO3(aq). The mixture is diluted with water to a final volume of 50.00 mL. Assume that all the cobalt in the ore sample is converted to Co²+ (aq). (a) What is the [Co²+] in the solution if the absorbance of a sample of the solution is 0.74 ? (b) Calculate the number of moles of Co²+ (aq) in the 50.00 mL solution. (c) Calculate the mass percent of Co in the 0.630 g sample of the ore. Answer…
- OWLV2 | Online teaching and X 0mySigTau xb Login | bartleby X M COMM.1113: FUND OF ORA X G what food has c - Google Se X + om/ilrm/takeAssignment/takeCovalentActivity.do?locator=assignment-take D [References] hotogray lenses incorporate small amounts of silver chloride in the glass of the lens. When light hits the AgCl particles, the following reaction occurs: hv AgCl Ag + Cl The silver metal that is formed causes the lenses to darken. The enthalpy change for this reaction is 2.90 × 10² kJ/mol. Assuming all this energy must be supplied by light, what is the maximum vavelength of light that can cause this reaction? Wavelength %3D nm Submit Answer Try Another Version 3 item attempts remaining Previous NextWeek 8-1 X + " https://app.101edu.co 79°F Mostly cloudy Substance NH:(9) HCI (g) NH.CI (S) Chapter 5 x 00 5.3 The Fu X 00 Quiz 5.1 to x 0o DESU Calc X 2 W " # 3 * E $ 4 27 O R 12 Calculate AS for NH3(g) + HCI(g) → NH4Cl(s). % 5 " Search 40 6 الت " S* (J/mol-K) 192.5 186.7 94.6 4- & 7 YIL M Log In | Fe X Aktiv Chen X U Question 8 of 23 4+ 8 DA hp 9 ► 11 M ) IL O O Flashcards X O A4 P C { Photograp X A + L A = O Welcome X Ⓒ P } 1 4 7 +/- G prt sc 。 2 5 8 delete backspace B Log In | Fe X + J/mol K 3 6 9 0 home . num lock x 1 end G 7 home5. (1) (ii) Ibuprofen (206.3 g/mol) absorbs at 255 nm and shows a molar absorptivity of 3010 L/mol.cm. A tablet of ibuprofen, 0.6654 g, was ground and 0.2203 g powder was dissolved in 20% methanol in a 100 mL volumetric flask (Solution A). Exactly 5.0 mL of Solution A was diluted in a 50.0 mL flask and the resulting solution showed an absorbance of 0.1228 AU in a 1.00 cm cell. (i) What is the concentration (mol/L) of ibuprofen in the 100 mL stock solution? (ii) Report the amount of ibuprofen in mg/Tablet. Ibuprofen H3C | HCCH; 1 H3C CH3 -CH-COOH
