Example (3) :- The Kinehics f hydvo ly sis t ethyl acetate was Studied in presence of o.05 M Hel4 reaction Solubon with stan dard basegeane ( NaoH) at 25 Ĉ , the yesults were as foll by titruting the t cs) 3500 120 2400 24 .36 25.85 2어.32 31.72 Calcutate the rate Coustanb, what is The order readin ? Slopek
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- Q1) A sada- Lime Sample is 90% NaoH and 10% CaO• If 3gm is dissolved in 250 ml, what is the tutal normadity of the Selution as abase ? How many milliliters of O.57N H2 S@4 would be requiredd to titrate i00 me of the Solution ? Ans.s ( 0.309 N, 60.59 ml) Q12) How much water that required add to 200 ml HNO, ( densly = 1.285 gm/ml) Contains 46 wt% acid to Convert lo wt% acid solution? Ars. : 919.6 ml← < TETNS B Q CAN …. https://app.101edu.co [H3O+] O 2[H3O+] Кс Question 8 of 11 Construct the expression for Kc for the following reaction. CH3COOH(aq) + H₂O(1) ⇒ CH³COO¯(aq) + H³O*(aq) [H3O+]² = Drag the tiles into the numerator or denominator to form the expression. Each reaction participant must be represented by one tile. Do not combine terms. X 2[H3O+]² [H₂O] Q Q [H₂O]² h |a|a|Q| + 2[H₂O] RESET 2[H₂O]²2 [CH3COO-] 2[CH3COO-] [CH3COO-]² 2[CH3COO-1² [CH3COOH] 2[CH3COOH] [CH3COOH]² 2[CH3COOH]² T x + ⠀ SubmitLa) Provide the balance cauation for this veaction Consider th hydrasne Na He NHs Caq)NA ockag)+ H2 OpN2H rcacko to produce 4- st Na Cl(an) b)if, 136.0.me of 0.375 M amming solution reacts With188L Na OCL at STP Which the immiting reagent and Which is the excess regont. is c)if 250ML hudrazine gas is collected at STP, wheet is eaction. the percend yield of the
- Estimate the pf of the resulting solution prepared by mixing 10 mele of selid disodim phosplate ( values for phosphoric cid we 21.72, 124 Oa pH2.1 1.25 mole of lydrochlorie cid. The pka Od pt-728:04 PM Fri Nov 27 ll7 43% AA A sjc.cengagenow.com + Latest Line F5 Dynamic... Group Resea... 10-16 Acid-.. Mastery 10-16 X OWLV2 | Onli... G green and w... C dept. C SIERRA SIERRA SIERRA Module 10-12 [Review Topics] [References] 1. Buffer Solu... Use the References to access important values if needed for this question. A buffer solution is made that is 0.376 M in HCN and 0.376 M in 2. Buffer S... 2req Question NaCN. Question If Question Ka for HCN is 3. Buffer Solu... M) -10 4.00 x 10-, what is the pH of the buffer solution? pH : Write the net ionic equation for the reaction that occurs when 0.089 mol HCl is added to 1.00 L of the buffer solution. the lowest pos coefficients. Omit states of matter. Use H3 0t instead of Ht) + + Submit Answer Retry Entire Group 8 more group attempts remaining Progress: 2/3 groups Due Nov 28 at 11:55 PM Previous Next Finish Assignment Save and ExitWrite the products structures and mechanisms CO2H A = N. H (cat.) HO (a) ? NC. CN OMe solvent Ph (i) (ii)
- The K of bromocresol reen is 126. x 10-5 At what PH Would you expect the ehdfotht for this indic-tor?i5. OmL of phosphonic is titrated w/ 28-3m2 ofa O.520M Solution of potassium hydroxicen what is the concentration of phosphon'cacic? H3POyla9) t 3 KOH(ag)-723 POulaq) +3H20(1.7.) The K, of an acid is determined to be 0.00589. What is the pK,.
- OA certein aqueous EQQADO monoprotic acid has a PH Of 3.0el for a 036z m solution.calaulate the acid 1onization constant for the acidWhich of the following reaction scheme is expected to atford the tollowing product? HO ОН O The following scheme: 1. Mg, Et,0 Br 2. H H. 3. H;O* O The following scheme: 1. Mg. Et.O HO Br H. H30* O The following scheme: 1. TBS-CI, imid., CH CI, HO Br 2 Mg. Et,0 3. H. 4 H30* 5 Bu N*F THF O The following scheme: 1. Mg. Et,O Br 2. 3. H3O* O The following scheme: 1 BrMg 2 H;0 astimeWite motocular eguation, total ionic aguahiora, and net iznic squation of the follow ing neacthions. hoadting Naz SO4 solution with CulN03)2 selution heanting KOH saludtion with Mg cla selution heacting NaHcoz saleition with HAO3 solution