Which data point(s) reflect pH = pka? 14 12 10 (iv) PH 6. (iii) (ii) 4. (i) 10 15 20 25 30 35 40 Volume (mL) () and (i) (ii) only O (i) and (iv) O (i) only 5,
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- ry.com/myct/itemView?assignmentProblemID3D143793467&offset%3Dnext CHE154-H Gen Chem II Bronikowski S20 ; Watch of the Part A 160.0 mL of 0.27 M HF with 220.0 mL of 0.32 M NaF Express your answer using two decimal places. ΑΣφ pH = %3Dhow do i find x？overall aden fn tereactiorabwe! .20 what is te overall aae for tereactrobre! 200 0.00 8.00xl0 1. 0. 1000 200x1o? Trual A +BSAB On 12
- Content C °- OWLv2 | O × Google Do G google slid x Inbox (4,5 x Certificate ☑ > Course E X Cengage L ✓ b Content C ✓ ChatGPT ✓ + prod03-cnow-owl.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-take E4 CH 16 17 and 18 [References] Question 1 1 pt This question has multiple parts. Work all the parts to get the most points. Question 2 2 pts Question 3 1 pt Question 4 2 pts Trimethylamine, (CH3)3 N, is a common reagent. It interacts readily with diborane gas, B2H6. The latter dissociates to BH3, and this forms a complex with the amine, (CH3)3 N→BH3. The reaction between trimethylamine and borane is shown. Question 5 1 pt Question 6 × 2 pts Question 7 1 pt CH3 H CH3 H CH3-N: + -H CH3 N- B -H CH3 H CH3 H Question 8 2 pts Is the BH3 fragment a Lewis acid or a Lewis base? To decide this, answer the following questions: Question 9 1 pt a Which of the following is a definition of a Lewis acid? Question 10 2 pts Question 11 1 pt Question 12 1 pt O O O Question 13 1…Please help me this question! Thank you!3, What is Kb for CN⁻ at 25°C. The Ka for HCN is 4.9 × 10-10? Group of answer choices 2.041 × 10-5 2.0 × 10-5 4.9 × 10-5 2.0 × 105 4, What is the expression for Ka2? Group of answer choices Ka2= ([H3O+] + [HPO42-])/([H2PO4-]) Ka2=([H2PO4-])/([H3O+][HPO42-]) Ka2= ([H3O+][HPO42-])/([H2PO4-] [H2O]) Ka2= ([H3O+][HPO42-])/([H2PO4-])
- (17,18-3,2) Select the most acidic hydrogen in the molecule below.Content C °- OWLv2 | O × Google Do G google slid x Inbox (4,5 x Certificate ☑ > Course E X Cengage L ✓ b Calculate ✓ ChatGPT × + prod03-cnow-owl.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-take E4 CH 16 17 and 18 [References] Question 1 1 pt This question has multiple parts. Work all the parts to get the most points. Question 2 2 pts Question 3 1 pt Question 4 2 pts Trimethylamine, (CH3)3 N, is a common reagent. It interacts readily with diborane gas, B2H6. The latter dissociates to BH3, and this forms a complex with the amine, (CH3)3 N→BH3. The reaction between trimethylamine and borane is shown. Question 5 1 pt Question 6 × 2 pts Question 7 1 pt CH3 H CH3-N: + B CH3 H CH3 H CH3 -N- CH3 H Question 8 2 pts Is the BH3 fragment a Lewis acid or a Lewis base? To decide this, answer the following questions: Question 9 1 pt Question 10 2 pts a Which of the following is a definition of a Lewis acid? Question 11 1 pt Question 12 1 pt proton donor electron pair…For alanine, Ka1=5.1105,Ka2=1.81010 . Calculate the ratios [Z]/[C+] and [Z]/[A+] at pH (a) 2.00. (b) 6.00. (c) 10.50. What is the principal species at each pH?
- Studen X Final - Access X schedu X Paraph X Midlan X Studen X Final 8/ X OWLV2 X Periodi X Answer X PDF A https://east.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take Sign in Final 8AM [References] Use the References to access important values if needed for this question. Question 2 1 pt Question 3 1 pt A compound is found to contain 10.85 % silicon , 27.40 % chlorine , and 61.75 % bromine by mass. Question 4 1 pt To answer the question, enter the elements in the order presented above. Question 5 1 pt QUESTION 1: Question 6 1 pt The empirical formula for this compound is Question 7 1 pt Question 8 1 pt QUESTION 2: The molecular weight for this compound is 258.8 amu. Question 9 1 pt Question 10 1 pt The molecular formula for this compound is Question 11 1 pt Question 12 1 pt Question 13 1 pt Submit Answer Try Another Version 2 item attempts remaining Question 14 1 pt Question 15 1 pt Question 16 1 pt Question 17 1 pt s: 0/35 items Pro Due Dec 1 at…Content Google Do google slid X Inbox (4,5 ✓ Certificate ☑ > Course EX Cengage L x b Content G ☑ OWLv2|0 x ChatGPT × + C prod03-cnow-owl.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-take 口 New Chrome available : E4 CH 16 17 and 18 Question 1 1 pt This question has multiple parts. Work all the parts to get the most points. Question 2 2 pts Question 3 1 pt a Consider the reaction of NO and Cl₂ to produce NOCI. Question 4 2 pts 2 NO(g) + Cl2(g) → 2 NOCl(g) Question 5 1 pt What is AS (system) for this reaction? Question 6 × 2 pts Compound S° (J/mol K) . Question 7 NO(g) 210.76 1 pt Question 8 2 pts Cl2(g) NOCI(g) 223.08 261.8 Question 9 1 pt AS (system) = -121 J/K⚫ mol-rxn Question 10 2 pts Question 11 1 pt b Does AS (system) change with temperature? Question 12 1 pt yes Question 13 1 pt no Question 14 1 pt Submit Question 15 1 pt Progress: 9/15 items Due Apr 14 at 05:00 PM Finish Assignment Submit Answer Try Another Version 2 item attempts remaining…10- Identify the molecular ion in this spectrum and what type of compound is this?. Click on image to enlarge Rel. Abundance ☎ 100. 80.- 60.- 40. 20.- 0 10. 45 -15 (6.6%) b) 46 20. MASS SPECTRUM 31 (100%) c) 47 (%0E) 67 30. m/z 40 (%29) St 46 (21%) 47 (0.5%)