Is Column 2 (greater than, less than, equal to, cannot be determined) with Column 4 5. Given: Cr| Cr3+ | Pb2+ | Pb ecell when pPb = 2 [ Select ] ecell when At the same pPb = 45 %3D temperature and initial concentration of Cr3+
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- The K of bromocresol reen is 126. x 10-5 At what PH Would you expect the ehdfotht for this indic-tor?A solution is prepared in which [Pb2+]= 0.0150 M and [Br 0.00350 M. Given that PbBr2 has a Kgo = 2.1 x 106, which of the following is true? %3D Select one: O a. Qsp Kg. and the solution is supersaturated %3D O d. Q.,< Kgp and the solution is supersaturatedIn a saturated solution of BaCO3 at 298K, [Ba2+(aq)] = 7.07 x 10-5 mol L-1; [CO32- (aq)] = 7.07 x 10-5 mol L-1. Calculate the value of Ksp at this temperature. a. 8.41 x 10−3 b. 3.54 x 10−5 c. 1.41 x 10−4 d. 5.00 x 10−9 e. 7.07 x 10−5
- Quedtion 7 H 0.I M solution of C, He CO,H is a equilbrum at 35C when the pH is 2.6. What is the value of AG for the reactieon Ca Hs CO,HZ CG Hs CO, +H"?A solution contains 0.100 M Ce 1.00 x 104 M Ce", 1.00 × 10 M Mn2*, 0.100 M MnO4, and 1.00 M HCIO4.The following is a solubility product expression for Pb(ClO3)4: Ksp= O [Pb4+][CIO3] O [Pb4+][CIO3]4 O [Pb4+][4CIO3-14 O [Pb4+][CIO3] O [Pb4+][CIO3-]¹
- (a) I f t he molar solubilit y o f CaF2 at 35 °C i s1.24 x 10-3 mol/L, what is Ksp at this temperature? (b) It isfound that 1.1 x 10-2 g SrF2 dissolves per 100 mL of aqueoussolution at 25 °C. Calculate the solubility product forSrF2. (c) The Ksp of Ba(IO3)2 at 25 °C is 6.0 x 10-10. What isthe molar solubility of Ba(IO3)2?The following concentrations are found in mixtures of ions in equilibrium with slightly soluble solids. From the concentrations given, calculate Ksp for each of the slightly soluble solids indicated:(a) TlCl: [Tl+] = 1.21 × 10–2 M, [Cl–] = 1.2 × 10–2 M(b) Ce(IO3)4: [Ce4+] = 1.8 × 10–4 M, [IO3−] = 2.6 × 10–13 M(c) Gd2(SO4)3: [Gd3+] = 0.132 M, [SO42−] = 0.198 M(d) Ag2SO4: [Ag+] = 2.40 × 10–2 M, [SO42−] = 2.05 × 10–2 M(e) BaSO4: [Ba2+] = 0.500 M, [SO42−] = 2.16 × 10–10 MDetermine the DH and pOH of 025L of a solution that is o201 M Boric acid and .0376 M sedium borare; PK a for B(OH),=9:0 at 25°c. POH=
- 1. Amino acids are the building blocks of proteins. The simplest amino acid is glycine, NH2CH2CO2H. There are three forms in equilibrium with one another. +NH3CH2CO2H(aq) + H2O(l)↔+NH3CH2CO2-(aq) + H3O+(aq) Ka = 4.5 x 10-3 +NH3CH2CO2-(aq) + H2O(l)↔ NH2CH2CO2-(aq) + H3O+(aq) Ka = 1.7 x 10-10 If the pH of a natural system (i.e. your body) is 7.2, in what form is the amino acid found? Justify your answer both with rational as well as a quantitative rationale. 2. Sulfanilic acid, which is used in making dyes, is made by reacting aniline with sulfuric acid: H2SO4(aq) + C6H5NH2(aq)→ + H2O(l) a) If you want to prepare 150.0 g of sulfanilic acid, and you expect only an 85% yield, how many milliliters of aniline should you take as a starting material? (ρaniline = 1.02 g/ml) b) Give the approximate values for the following bond angles in sulfanilic acid: A ______B ______ C ______D _______ c)Give the appropriate hybridization for the following atoms in sulfanilic acid:A ______B ______ C ______D…← < 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 + ⠀ SubmitYou are viewing Sonjae Wallace's screen REC View Options Q8: Level 3+ (Unit 13, L.G. 11) Given the following information: O1 + H,0 = HOI + OH H,0 = %H;0* + ½OH K, = 5 x 104 K2 = 1 x 107 What is the value of K for the rxn HOI + H,0 = 01+ H,0*? A. 2 x 10-11 B. 5 x 10 11 C. 2x 10-4 D. 4 x 104 To: Type P Type here to search a brt %23 * 4 5 Q Y. LL M alt alt ctri