PhysioEx Exercise 10 Activity 1

Foundations BIOMATH REVIE X cmillanlearning.com/courses/ac3d481b-26e6-469a-8108-28e47d641df6/5/mm6m8u/tools/assessment/items/bcc6592... A to Assignment Score: Question 11 of 14 > HT concentration: 81.2% My Course - General Chemist X Resources Give Up? Hint A 78.0 mL portion of a 1.40 M solution is diluted to a total volume of 248 mL. A 124 mL portion of that solution is diluted by adding 119 mL of water. What is the final concentration? Assume the volumes are additive. Jon Notice Ion Notice Check Answer Ⓒ M

MindTap - Cengage Learning X b Answered: Determine the pH du x + ng cengage.com/static/nb/u/evo/index.html?deploymentid=55750823468596024212874980&elSBN=9781305657571&snapshotid=3054066&id=155276463.... arch Maps 2 req 2 req 2 req 2 req 2 req X PA Back F6 96 Use the References to access important values if needed for this question. A buffer solution contains 0.234 M C6H5NH3 Br and 0.315 M C6H5NH2 (aniline). Determine the pH change when 0.090 mol HI is added to 1.00 L of the buffer. (Assume Kb(C%HNH,)= 7.4 × 10-10.) pH after addition - pH before addition Submit Answer 4. Buffer + Strong Acid or Base (Henderson-Hasselbalch): This is group attempt 1 of 5 FO X F7 & KEN W References FB pH change Autosaved at 10:38 PM OX FO 018 F10 F11 GEI F12 Regenerate Group (4) (0 Next 10:38 PM 11/3/202 Insert PrtSc

A Problem Set 3 Đ Disney+ | Video Player b Answered: 11.) Acid strength dec X + i bsu.instructure.com/courses/102059/assignments/865519?module_item_id=2229268 * ES M Gmail YouTube Maps 9 Chat Ball State University... H Sign in to Outlook Dashboard/canvas Teachers Credit Uni... Emergency Respon. The Learning Cente. NetNutrition ® bax Box c112_s21_ps3_blnk-21.pdf I, Download O Info X Close Page < 3 of 8 ZOOM + Spring 2021 Problem Set 3 Part I-21 Page 3 of 3 17.) Complete the following table: [anion] value of Q unsaturated, saturated, or supersaturated salt [cation] Kp expression BaSO4 |1.1 x 10-10 2.20 x 10-6 5.00 x 105 Fe(CN); 8.0 x 10-16 9.66 x 10-5 5.12 x 10-7 Ag:CrO4 1.1 x 10-12 7.57 x 10+ 4.07 x 103 Mg;(PO4)2 2.0 x 10-2º | 2.53 x 10-5 | 4.00 x 10- 8:43 PM O Type here to search 4/7/2021 *** *

S NGSS CHEMISTRY GT 9 Schoology O Paraphrasing Tool | Qu x W Word A bcps.schoology.com/common-assessment-delivery/start/4979553967?action=onresume&submission O BCPS Links S Home | Schoology W Word O Original NBA strea.. O Driver Education, O. Show What You Know: pH & pOH What is the pOH of a solution with [H*] = 3.4 x 103 M? Show your work.

X ch b Answered: Determine the pH du X + agage.com/static/nb/u/evo/index.html?deploymentid=55750823468596024212874980&eISBN=9781305657571&snapshop=30540668d-155276463... 2 req 2 req 2 req 2 req 2 req R MindTap-Cengage Learning X Back F4 shown below. Design a buffer that has a pH of 7.19 using one of the weak base/conjugate acid systems Weak Base CH3NH2 C6H1503N C5H5N $1 5 6. Prepare Buffers by Direct Addition: This is group attempt 1 of 5 Si grams weak base How many grams of the bromide salt of the conjugate acid must be combined with how many grams of the weak base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams bromide salt of conjugate acid = 96 T F5 Kb 4.2×10-4 5.9x10-7 STE Conjugate Acid Ka CH3NH3 2.4×10-11 C6H1503NH+ 1.7×10-8 1.5x10-9 CsH5NH+ 6.7x10-6 F6 6 = Y X + F7 & 7 + Autosaved at 10:38 PM W F8 8 X F9 019 ( pka 10.62 7.77 5.17 9 F10 ☀- ) F11 0 @ F12 Regenerate Group (4) @ 1 Insert Next 10:38 11/3/2 PrtSc

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ALEKS - Rafia Riaz - Knowledge CX b Answered: Order these chemical X b M Gmail T (10) Pyari Mona - Epis X M Inbox (1,691) - rrafia360@gmail.c X Ghi0 relative pH - Google Search www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lvdw7xgLCkqMfg8yaFKbD9GafJstkYLIJnusuqH-p1X_sK5Jf4E3cmXkMkyF9tYadmgkkpbMT2ejVO2limOXTcRDH8UEjl_2?10Bw7QYjlba... M Gmail T YouTube Maps GTranslate Initial Knowledge Check The vapor pressure of Substance X is measured at several temperatures: 0 temperature vapor pressure 52. °C News 63. °C Type here to search 74. °C I Don't Know 0.0803 atm 0.124 atm College information 0.188 atm Use this information to calculate the enthalpy of vaporization of X. Round your answer to 2 significant digits. Be sure your answer contains a correct unit symbol. Submit A 0 μ x10 ロ・ロ X 00 Question 24 H © 2023 McGraw Hill LLC. All Rights Reserved. X Terms of Use 34°F + Privacy Center Rafia olo Ar Accessibility x Other bookmarks 10:29 PM 1/31/2023

Trial 1: Initial pH= 3.92mL Mass of KHP and Paper= 0.868g Mass of paper= 0.357g Mass of KHP= 0.511g Trial 2: Initial pH= 4.09ml Mass of KHP and Paper= 0.870g Mass of paper= 0.359g Mass of KHP= 0.511g 1)Use Kb, the number of moles of C8H4O4^2- at the equivalence point, and the total volume at that point to calculate the pH for each sample at the equivalence point. Compare these calculated results with the experimental results.

C030 BY NC SA S. Alvanipour, Y, Gedeon, G. Zoorob, CC BY-NC-SA 4.0 B. Determination of unknown acid concentration Unknown Acid number Volume of acid used (ml) Initial buret reading (mL) Final buret reading (ml) Volume of NaOH used (ml) Molarity of NaOH Trial 1 Unknown Quid 25.0ml Ome 12.4ml 12.4ml -10m Calculated molarity of HCI (M) Show a sample calculation of HCI molarity AVERAGE MOLARITY OF Unknown HCI Show a sample calculation of NaOH molarity: Trial 2 Unknown 25-am omo 12.5ml 12.5ml -lom Trial 3 Unknown af 20% ome come 12.630 12.6ml -tom

Which protons are in the region from 7.0 – 8.0ppm and at 2.3ppm? please be specific for 2.3, 7.8, 7.35,7,5 and 8 ppm  with singlet, doublet too

1. could u pls give me example of substances has an activity of 1? is it pure water has an activity of 1? 2. is pH scales is strictly btw 0 and 14? if not, why? 3. what is CSTR? is this heterogenous? is this concentration depends on location? 4. is steady state, mass can enter ot not? leave the control volume or not?

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X Untitled Noteb... X Chem_30_Uni... X 1 ★ Chem_30_Uni... X Chem_30_Uni... a. Use a chemical reaction to explain how aqueous ammonia can create a basic solution. Kb for ammonia 1.8x10-5 Answer: X Chem_3C

MindTap - Cengage Learning xb Answered: Determine the pH du X static/nb/ui/evo/index.html?deploymentld=55750823468596024212874980&eISBN=9781305657571&snapshotid=3054066&d=155276463.. Back 47 Submit Answer Calculate pH of Buffer. ICE Method: This is group attempt 1 of 5 Calculate the pH of a buffer solution that is 0.116 M in C5H5N (pyridine) and 0.152 M in C5H5NHCI. 1 1.8 Use the References to access important values if needed for this question. X + P + W References PH 7 COND Autosaved at 10:37 PM g DEI * ^04) (0 Regenerate Group Ох Next H : 10:37 PM 11/3/2022 1 A-

I Review | Cor Submit Previous Answers Correct Part C 4 mol B ΑΣφ JAH| = kJ Submit Request Answer Part D

-7 An aqueous solution at 25 °C has a H,O' concentration of 3. × 10 'M. Calculate the OH concentration. Be sure your answer has 1 significant digits. x10 Continue Submit Assignr 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessi MacBook Air esc DII DD F1 F2 F3 F4 F5 F6 F7 F10 F11 F8 F9

owl.cengagenow.com/ilrn/takeAssignment/takeCovalent Activity.do?locator-assignment-take TUTOR Metric System Prefixes A sample is found to contain 6.79x10-11 g of salt. Express this quantity in milligrams. x mg Resubmit [References] Show Approach Hide Tutor Steps a

Needing help with the processing data

VUITOVI Part D 5.5x10-2 M in acetic acid and 5.5x10-2 M in hydrocyanic acid Express your answer to two decimal places. 195] ΑΣΦ pH= Submit Provide Feedback Request Answer T ?

Latest Volume pH d1 d2 (mL) 123 (pH/vol) (d1/vol) 0 2.07 -0.007 0.079 0.4 2.06 0.023 0.087 0.9 2.08 0070 0.089 4 1.3 2.13 0.110 0.057 5 1.5 2.15 0.103 0.022 6 10- 1.9 2.19 0.115 0.039 7 2.2 2.23 0.132 0.057 8 2.5 2.27 0.150 0.074 9 2.9 2.34 0.179 0.117 10 3.3 2.41 0.239 0.157 11 3.6 2.50 0.311 0.086 12 3.8 2.58 0.272 0.124 13 4.4 2.69 0 364 0.275 14 4.6 2.86 0.552 0.198 15 4.9 3.01 0.474 0.029 16 5.3 3.18 0.505 0.153 17 5.7 3.38 0.652 0.086 18 5.9 3.61 0.570 -0.074 19 6.4 3.78 0.531 0.100 20 6.7 3.99 0.679 0.231 21 7 4.23 0.689 0.257 22 7.4 4.44 0.817 0.279 23 7.6 4.71 0 983 -0.553 24 7.8 4.90 0.525 -0.567 pH d1 (pH/vol) d2 (d1/vol) 5- 25 8.3 5.04 0.435 0.019 26 8.6 5.18 0.655 0.187 27 8.9 5.49 0.633 -0.344 28 9.2 5.59 0.388 -0.523 29 9.5 5.70 0 262 -0.265 pH 8.06 Acid-Base Titration 0 5 10 15 20 -0 Volume (mL) 25

O N T 43% LTE 2:35 M Question 5 of 8 Submit Construct the expression for Ka for the weak acid, HC,H,04. HC,H,0,(aq) + H,0(1) = H,0*(aq) + C,H,0,"(aq) 1 Based on the definition of Ka, drag the tiles to construct the expression for the given acid. Ka %3D 5 RESET [H,O] [H,0*] [OH-] [HC,H,0,] [H,C,H,0,*] [C,H,0,] 2[H,0O] 2[H,0*] 2[OH-] 2[HC,H,0,] 2[H,C,H,0,*] 2[C,H,0,] [H,0]2 [H,0*]? [OH-]? [HC,H,0,]? [H,C,H,0,*]? [C,H,0,]? II

analyte concentration(C)(mg/ml) injection volume (ul) elution time (time) peak DAD signal(mAU) caffeine 1 1 4.67 302.85 aspartame 5 1 7.53 15.83 benzoic acid 1 1 8.14 89.98 saccharin 1 1 1.91 84.86 mixture(add everything above with 1:1:1:1 ratio)   1 4.47 69.58 How to get the concentration of the mixture in this case?

IR PAP Chemnistr x G diagram show X PAP Chemistry x G What is the be x E PAP Chemistr x E PAP Chemistr x -a Session Timex Mp Rockin a ar-2903012.agilixbuzz.com/student/135113422/activity/c412d902-b23e-4202-b813-76a1f9f4c196 Mastery Assess It 8 que Solis PAP Chemistry-2903012-42100P-1/Le Chatelier's Principle / Lesson 128 All changes saved 8. A chemist tested the reaction of potassium chlorate (KCIO3) and Iron (II) sulfate (FeSo). The Independent varlable is temperature; all other variables are constant. The results were recorded. Temperature (degrees Kelvin) Reaction Rate (grams per second) 285 290 295 These results support which conclusion? O An increase in temperature increassed the mass of each molecule of reaction product. An increase in temperature increased the amount of reactant present. O An increase in temperature increased the catalytic behavior of reactants. O An increase in temperature increased the rate of collision of reactant molecules. PREVIOUS 8 of 25 NEXT SAVE & EXIT…

SMART CAM MIC. MIC 1.3 MEGA Acid-Base Reactions - Chemi x MTMWMTQYMDY5MD94/a/MjQwNjM5MjM4NDc5/details Trom Module 5 AciDases Reaction Activity: Identify the acid, base, conjugate acid and conjugate base in the reaction of the following: a. HCN b. HO + NH CN + HPO OH + NH H,PO, c. HO d. HS HCI → HO OH →S + H.O CI Activity: 1. Write the equation for the ionization of the following in water: KOH b. H.CO. 2. In each pair, identify the stronger acid HO or NH. b. I SO, of I1.SO. 34 In each pair, identify the stronger base a HCO or HPO. B CO Qor PO Activity: 1. Calculate he pl of each of the following solutions a12M HCI b1.5 x 10 M KOH c. 4.5 AO MHCI d. 8.5 x 10-5M NUOH C.58 N 10-6MHCI 2. Determine ihe ven the lollowing pli salues:

1. is pH scales is strictly btw 0 and 14? if not, why? 2. what is CSTR? is this heterogenous? is this concentration depends on location? 3. is steady state, mass can enter ot not? leave the control volume or not?

1) please answer question thank you