1. What is the retention time of molecule 9? 2. What happens to the peak area if the sample amount is doubled? 3. If run time is stopped at 5.5 mins, will molecules 8 & 6 be separated and quantified?
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1. What is the retention time of molecule 9?
2. What happens to the peak area if the sample amount is doubled?
3. If run time is stopped at 5.5 mins, will molecules 8 & 6 be separated and quantified?
4. If the flow rate was doubled, will 8&6 be separated and quantified?
5. Does a single peak at time T in the chromatogram indicate only one compound is eluted?
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- 5964. X The in xIG what x I PAP C X G 2HCI X PAP C x G Thep x Q chapt x b ar-2903012.agilixbuzz.com/student/135113422/activity/9ff34d34-df47-4faa-a022-8d87ab138ea2 G.How x Chem x G List a x HASessi X Mastery Assess It 7 150% +, Reset PAP Chemistry-2903012-42100P-1 / Stoichiometry / Lesson 107 Enrique Solis All changes saved 13. Some rocket engines use a mixture of hydrazine, N2 H4, and hydrogen peroxide, H2O2, as the propellant. The reaction equation is N2H4(0) +2 H2O2() → N2(9) + 4 H2O(). Which is the limiting reagent in this reaction when 0.750 mol N2H4 is mixed with 0.500 mol H2O2? O a. H2O b. H2O2 O c. N2H4 с. NHА O d. N2 SAVE&EXIT 13 of 16 NEXT PREVIOUS O OA clinical chemist obtained the following data for the alcohol content of a sample of blood: % C,H OH: o.084, 0.089, and o.079. Calculate the 95% confi- dence interval for the mean assuming that (a) the three results obtained are the only indication of the precision of the method and that (b), from previousCEA a Ama W CEA zoom HMAC=4f5e010fa2b0f09f550afc98d120614d#10001 e URL Part B Given the two reactions Hyd 3. PbCl2 (aq) = Pb²+ (aq) + 2Cl¯ (aq), K3 = 1.81x10-10, and 4. AgCl(aq) = Ag+ (aq) + Cl¯(aq), K4 = 1.21x10-4, what is the equilibrium constant Kfinal for the following reaction? Kfinal Submit Express your answer numerically. ►View Available Hint(s) 0 0 CEA | Fun | OpF | Opr| Sch | G bes Cro VE ΑΣΦ MacBook Pro PbCl₂ (aq) + 2Ag+ (aq) = 2AgCl(aq) + Pb²+ (aq) P Pearson ? < IX □ ☆ + 5 of 16 Review I Constants I Periodic Table EN 0
- < Week 8-1 X Week 8-1 X C 2 https://app.101edu.co K Formula Bara | PDF: SIF: Caf + 1 - 131 Sunny A Z "7 S ALEKS-13 x A ALEKS-Ti A ALEKS-TX Week 8-1 X m X Ksp 1.7 x 10. 36 x 10 - 4.3 x 10 3.5 x 10- x - Exam No.: x co DESU Calc X(427) mam xLog In | Fe x # Q Search Question 8 of 16 Which of the following salts would have the greatest solubility in water? _____________ __________ S L hp الالا alt A) BaF₂ B) PbF₂ C) SrF₂ D) CaF₂ ال A ctri لا pause < G Aktiv Chen a backspace X ● ه به enter GWhich oft X+ 3 T ما دیا ... T shift end 1 7 home 1 A ے h 1:0Table 5: Calculating AG Temp "C Temp Kelvin Ка In(Ka) AG=-RTIN(Ka) 22. 1 295.25, 0 0044521 -1.12 18950.34962 35 308 .1S 23236.969dH 0- Ocori4 889 -901 45° 318.18°k 0.0016855 - 8.69 22985.918 55° 328.15°K 0.00 0344201 -1.97 21144.06565 Average AG'= AH°= AS= (Note: the slope of the best fit line is equal to -AS" rather than AS" as stated in the video).The following data was obtained in NASA chemical lab.Temperature (C) Solubility (x 10-21)10 1715 2120 3825 4130 4935 5340 5945 6950 7855 8660 95 Find: the equation Solubility [x10-21] = f(Temperature [K]). Provide the graph withcorresponding labels.
- rsity o... ingsbo... kboard... ARED4 ethod? 7... F2 Remaining Time: 1 hour, 22 minutes, 23 seconds. Question Completion Status: A Moving to the next question prevents changes to this answer. Question 1 # The angle of the water molecule (H₂O) is 180 degrees 120 degrees 100 degrees 90 degrees 109 degree A Moving to the next question prevents changes to this answer. MAR 14 80 F3 SA $ 000 F4 tv % F5 NA MacBook Air 22 F6 ∞r F7 45.113NO(g) NO;(g) 90.25 210.7 86.57 33.2 240.0 51.30 N,O(g) N;O,(g) 82.05 219.7 104.2 83.72 321.28 139.46 (S)*O°N_ (3)*O°N 9.16 304.2 97.82 11 356 115 N,O;(s) -43.1 178 114 NOCI(g) HNO,(€) HNO,(g) 52.59 264 66,36 -174.1 155.6 -80.79 -135.1 266.2 -74.77 HNO, (aq) -206.6 146 -110.5 Hydrogen H(g) 218.0 114.6 203.3 H;(g) 130.6 H,O(€) -285.8 69.91 -237.2 H,O(g) -241.8 188.7 -228.6 H;O;() -187.8 109.6 -120.4 Cbromium Cr(s) 23.8 Cr,O;(s) Cr,Cl;(s) -1139.7 81.2 - 1058.1 -556.5 123.0 -486.1 (NH,) ¿Cr,O;(s) -1807 A -299.9 kJ/mol В 3,913.9 kJ/mol 299.9 kJ/mol D -3,913.9 kJ/mol(i) (ii) (iii) (iv) 'I OMe HO H g H N Me Br SnMe3 OSiMe3 CHO OH NaNH, NH3 (1) Phl, Pd(PPH3)4 THF, reflux 1. Ph3P=CMe2 2. "Bu4NF 3. H30 + CH₂12, Zn C C₂H₂NO D C₁1H₁1N E C10H16O F C15H26O2
- X A ALEKS- Allie Fleming - Knowled X + eks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IQUHIQg6bJxmeSyVpHOEB1plef9xyC5Ca9Qlh33shYHNlixKQyaDC-AdbABLFpI5Dt90BNOEPu6JcUe7G4HHKAGOBnuFtOq?1oB... E Module Knowledge Check 14 Aqueous sulfuric acid (H₂SO4) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium sulfate (Na₂SO,) and liquid water (H₂O). If 0.963 g of water is produced from the reaction of 6.9 g of sulfuric acid and 7.3 g of sodium hydroxide, calculate the percent yield of water. Round your answer to 2 significant figures. I Don't Know 3 $ 4 R % Submit 5 T 16 ^ X Q Search 6 4+ Y x⁹ & 7 fa 144 U * 19 Pll DII Question 11 8 hp ( f10 no DDI 9 ♡ © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility f11 ) о 10 O 12, insert - P prt sc + { [ = ← Allie Y } ] ola Ar delete backspace h•0= AG° + RT * In (K) %3D • -AG° = RT * In (K) %3D • AG° = -RT * In (K) %3D AG° = -0.616 * In (K)... %3DLecture X zm CHM12 x Assign X ChatGP X Cedxb Home xb Answer X M Inbox ( X M Inbox ( X Google x | ← → Cmoodle.uog.edu.gy/mod/quiz/attempt.php?attempt=143670&cmid=59476 M Gmail YouTube My courses 15 Google Calendar Periodic table - Cre... AccessPharmacy -... Cart Maison Fran... Exploring the Impa... 25:00 - Time to foc... UG_MOODLE 2023 2024 Home Dashboard My courses Search Question 11 Not yet answered Marked out of 1.00 Flag question OH HO CH₂ Phenylephrine (PE, see the structure below) is a nasal decongestant and is the active ingredient in Sudafed, which contains phenylephrine hydrochloride (PEHCI). This conjugate acid of phenylephrine (PEH+) has a pKa = 5.5. At a physiological pH of 7.4. What is the ratio of concentrations, [PE]/[PEH+]? O a. 79 O b. 0.14 ○ c. 21 O d. 6.7 ○ ○ e. 0.01 Clear my choice ZM ? = ☑ - 0 В >> All Bookmarks Quiz navigation 2 3 5 6 15 BC 10 12 13 14 Finish attempt... 10:49 AM 4/26/2024